Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5d78c03b24d2d36…

MALICIOUS

PDF

460.2 KB Created: 2022-05-02 15:21:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-06
MD5: 63f9d78f3749f5e818900391d5e09835 SHA-1: c02cb91d6b10e68e3ba0267650743bec1677a8dc SHA-256: b5d78c03b24d2d364d1a14a7f221b5b4f508cdd9cf43dab5239223cef649ec57
186 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3915

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Clickable PDF combines external action with parser-evasion structure high PDF_ACTION_PARSER_EVASION
    PDF has an external clickable URI together with object graph or xref structures that make parsers disagree, such as divergent duplicate objects, parser divergence, or xref offset mismatch. That combination is stronger than a plain link: the document is both an outward-action carrier and a parser-confusion/evasion sample.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://wirut.co.za/XSRYdR1H?utm_term=assistant+property+manager+cover+letter+template PDF link annotation
    • http://parquesanalbertohurtado.cl/ckfinder/userfiles/files/96772398456.pdfIn PDF document text
    • https://topifovav.weebly.com/uploads/1/3/4/5/134595147/240da.pdfIn PDF document text
    • https://posilopawirina.weebly.com/uploads/1/3/4/3/134353572/gojatorigofur.pdfIn PDF document text
    • http://gorre-paysage.fr/ckeditor/kcfinder/upload/files/38815170365.pdfIn PDF document text
    • https://mofalapew.weebly.com/uploads/1/3/4/3/134307760/4878578.pdfIn PDF document text
    • https://zikivunebek.weebly.com/uploads/1/3/5/9/135964247/seviluruwuteb.pdfIn PDF document text
    • http://wangguanhardware.com/userfiles/file/wuluxelepipejoko.pdfIn PDF document text
    • https://bopuxokefira.weebly.com/uploads/1/3/5/3/135300507/kekej.pdfIn PDF document text
    • https://donadoleli.weebly.com/uploads/1/3/4/5/134519335/d6097ff992b.pdfIn PDF document text
    • https://alihuata.com/userfiles/file/julokelavidijusuzo.pdfIn PDF document text
    • https://zazejisodixad.weebly.com/uploads/1/3/4/3/134359446/0899b.pdfIn PDF document text
    • http://nellion.ru/upload/files/tibimut.pdfIn PDF document text
    • http://muratdizayn.com/panel/kcfinder/upload/files/41676029833.pdfIn PDF document text
    • https://rosunitekuw.weebly.com/uploads/1/3/1/3/131384708/3251501.pdfIn PDF document text
    • https://vujezogovi.weebly.com/uploads/1/3/5/3/135348950/zaxujuwolulusu_fisamukileme_jitiboki_jatisi.pdfIn PDF document text
    • https://vabusise.weebly.com/uploads/1/3/4/3/134385335/2ca0fbf.pdfIn PDF document text
    • https://pukunave.weebly.com/uploads/1/3/5/9/135957849/7163017.pdfIn PDF document text
    • https://kivopovolufom.weebly.com/uploads/1/3/3/9/133997215/nigoti-jikofimiwur-mopukigofag-zirelif.pdfIn PDF document text
    • https://mefusinumobidal.weebly.com/uploads/1/3/4/6/134679396/gevuweg.pdfIn PDF document text
    • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/8247687a55e14d74ecf07941f9609f57/fifupafupaxomuvipeto.pdfIn PDF document text
    • https://bupekotarox.weebly.com/uploads/1/3/0/7/130739944/nafulegozu_somoxoxo_demega.pdfIn PDF document text
    • https://jung.su/kcfinder/upload/files/ziwabatimibazi.pdfIn PDF document text
    • https://autoteam.in/ckfinder/userfiles/files/40831857973.pdfIn PDF document text
    • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/xomowokuripakiwuxarokoki.pdfIn PDF document text
    • https://kutepuwabaluv.weebly.com/uploads/1/3/2/6/132681670/67569b145.pdfIn PDF document text
    • https://vezevuxujobamo.weebly.com/uploads/1/3/6/0/136082964/3e2b5f56573c6f.pdfIn PDF document text
    • https://zelaoeng.ru/files/40840512109.pdfIn PDF document text
    • https://lavularok.weebly.com/uploads/1/4/1/2/141232877/3bac8995f.pdfIn PDF document text
    • http://lotusromeo.fr/app/webroot/files/userfiles/files/52204562190.pdfIn PDF document text
    • https://nimuneroz.weebly.com/uploads/1/3/1/4/131407882/powozifaxuz_kagaz_xitujokagaxow_liluxaretuwune.pdfIn PDF document text
    • https://zabidikigez.weebly.com/uploads/1/3/4/5/134594795/4e9738b53.pdfIn PDF document text
    • https://bapoxaluw.weebly.com/uploads/1/3/4/7/134717037/nedipibitulipot.pdfIn PDF document text
    • http://boonfagrandhome.com/user_img/files/4214810015.pdfIn PDF document text
    • http://polimak.pl/userfiles/file/biwuzirizo.pdfIn PDF document text
    • https://vodipitozotoz.weebly.com/uploads/1/4/1/5/141506297/9d2c1.pdfIn PDF document text
    • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1624f863f5b9d0---53618982437.pdfIn PDF document text
    • http://munsterdancing.ie/uploads/files/supemuj.pdfIn PDF document text
    • http://www.webcourse.co.il/course/ckeditor/ckfinder/userfiles/files/rerekemizup.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1626bca285e1d4---bokeno.pdfIn PDF document text
    • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/jip4qardbgffi6ou705nce79h8/45505733408.pdfIn PDF document text
    • http://tlxzkj.com/uploads/file/181739492846.pdfIn PDF document text
    • https://zufefofavenubu.weebly.com/uploads/1/3/0/7/130775539/nasanaji_gujezodiveb.pdfIn PDF document text
    • https://xegabazoku.weebly.com/uploads/1/3/4/3/134318522/32b50334f12.pdfIn PDF document text
    • https://rt9.rspo.org/ckfinder/userfiles/files/moniwewikodef.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    +3 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0006be3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BE3D 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0006d64f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D64F 18620 bytes
SHA-256: 2831e19f532bc577989470f09a31abad714ec96db3e71b00e431f112000247e7
font_02_sfnt_off00070658.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70658 10880 bytes
SHA-256: 965ec4bfa649bd34a5a6a4af08ba2b49c4ec4431fd4e189668cce0e41fcdc7e8