Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4f3474b0ac415ad…

MALICIOUS

PDF

299.1 KB Created: 2022-02-25 00:11:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-01
MD5: 3b8df16a4beb38c75b27708abf8e96ff SHA-1: bbcffaa242c05cc22a2b17896d1921ed58d25db6 SHA-256: a4f3474b0ac415ad11586d0ef245baef0371da4b34e433daa6dc507f32d6e29d
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6480

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://sunuf.co.za/XSRYdR1H?utm_term=wpf+listbox+itemtemplate+usercontrol PDF link annotation
    • http://jlm-kg.com/uploads/file/89337501508.pdfIn PDF document text
    • http://saiprogetti.net/userfiles/files/selijolasosumevi.pdfIn PDF document text
    • http://a2hgghk.handylover.com/upload/files/nisab.pdfIn PDF document text
    • https://guenangequitation.fr/www/site/js/ckfinder/userfiles/files/11063359540.pdfIn PDF document text
    • http://hoangminhceramics.com/app/webroot/uploads/files/86152237252.pdfIn PDF document text
    • http://cleangroupbd.com/ck/upload/files/52659170510.pdfIn PDF document text
    • http://aihyang.com/userfiles/file/riluzal.pdfIn PDF document text
    • http://toflight.mobi/attachment/ckeditor/files/9146cb34e149c619874abf5bfc43a814.pdfIn PDF document text
    • http://etre-belle.su/images/file/vijuvikodoni.pdfIn PDF document text
    • http://transsegna.com/userfiles/35125616245.pdfIn PDF document text
    • https://r4binsh4h9-att.com/contents/files/ximexuvirixupepitubabi.pdfIn PDF document text
    • http://grawerlik.pl/userfiles/file/kekubinegifiniv.pdfIn PDF document text
    • https://smartmedia.ro/app/webroot/files/userfiles/files/texok.pdfIn PDF document text
    • https://vnycc.com/userfiles/file/15327495511.pdfIn PDF document text
    • http://sun-green.de/ckfinder/userfiles/files/27897634028.pdfIn PDF document text
    • https://hanyauntuktesting.com/contents/files/zetin.pdfIn PDF document text
    • https://ateliersmq.com/pevron/www/img/file/58030095816.pdfIn PDF document text
    • http://ainut.fi/userfiles/file/88463699775.pdfIn PDF document text
    • https://angkaganjil.com/contents/files/48661724180.pdfIn PDF document text
    • https://childprotectionindia.com/lexcyberia/userfiles/files/likoxekofuxutopubujuzerib.pdfIn PDF document text
    • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/48f02b09a75afbd7900cde0f2856a35e/gorufekegan.pdfIn PDF document text
    • http://www.mariabeckmann.com/fotos/uploads/files/22664964590.pdfIn PDF document text
    • http://hoya-system.com/uploads//files/202108131931145632.pdfIn PDF document text
    • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611f1220394fa---58178425036.pdfIn PDF document text
    • https://fnb-concepts.com/images/uploads/files/99072620637.pdfIn PDF document text
    • http://gemeinschaftshaus-grossmuss.de/demo/admin/editor/kcfinder/upload/files/21816753044.pdfIn PDF document text
    • https://demideopool.ro/ckfinder/userfiles/files/13701190969.pdfIn PDF document text
    • http://www.trotasierra.com/plugins/ckfinder/userfiles/files/42598524889.pdfIn PDF document text
    • https://businesslife.com/content/file/66048282392.pdfIn PDF document text
    • http://tonyprins.nl/images/uploads/file/63763529322.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
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off0004287a.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0004287a.bin)

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004287a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4287A 10976 bytes
SHA-256: 25422383ad70813f09316f022bf3b555b45294acaad190689c691c0cac94420e
font_01_sfnt_off000441c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x441C7 17976 bytes
SHA-256: c1022b0ededc40d7940ca0f41ce4a89ce354700fecb8480195919441d4834fed
font_02_sfnt_off00046fcb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46FCB 16336 bytes
SHA-256: adf38969d40f501586e0caf93d33991e243baeeecfe575c4831cdbf64b7044fa
font_03_sfnt_off000485cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x485CD 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9