Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d82f7cd91e091ba…

MALICIOUS

PDF

500.5 KB Created: 2022-03-19 18:55:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: 95df2ec870bbfb0d2513885ce5f2ede8 SHA-1: 6c28de91a094fd555d39b740bebd93e508d0ae77 SHA-256: 5d82f7cd91e091ba8490564311e4371ed8277ea452d7dfe160a5571d4d1baa3d
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.5547

Heuristics 5

  • 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.
  • 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://cafij.co.za/XSRYdR1H?utm_term=crossword+quiz+answers+brands+level+5 PDF link annotation
    • http://srtprogetti.eu/userfiles/files/fosazobubibawexise.pdfIn PDF document text
    • https://primer-spb.ru/files/files/runuv.pdfIn PDF document text
    • http://www.assistvaleur.co.jp/inc/kcfinder/upload/files/42669518766.pdfIn PDF document text
    • http://francescofesta.it/userfiles/files/julujiwiparutijaxe.pdfIn PDF document text
    • http://dekobonner.de/userfiles/file/zulipu.pdfIn PDF document text
    • https://kurek-rowery.pl/user_pict/file/palatamelibiv.pdfIn PDF document text
    • http://marcelponjee.nl/ponjeefiles/file/tirurivepet.pdfIn PDF document text
    • http://tesorosdelayer.net/imgs/images/files/11228995569.pdfIn PDF document text
    • https://btsis.com/upload/ckfinder/files/78880688618.pdfIn PDF document text
    • http://varnamonarradio.se/admin/kcfinder/upload/files/robegogupobirap.pdfIn PDF document text
    • https://unimal.ac.id/assets/plugin/kcfinder/upload/files/68942502544.pdfIn PDF document text
    • http://phutungquanghieu.com/app/webroot/files/ckfinder/files/99813251482.pdfIn PDF document text
    • http://murzilka.biz/images/uploads/file/11717272477.pdfIn PDF document text
    • https://dentrangtrisaigon.net/images/uploads/files/modit.pdfIn PDF document text
    • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16208c5c571c2e---gevuzukelikuforuvimafu.pdfIn PDF document text
    • https://ostrichpharmaceuticals.com/userfiles/file/11096644228.pdfIn PDF document text
    • https://perfectionistpaintingnj.com/ckfinder/userfiles/files/44164036597.pdfIn PDF document text
    • http://kondicionery-lubertsy.ru/upload_picture/file/razuzovizilasa.pdfIn PDF document text
    • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/161f912d78e2ac---70413980836.pdfIn PDF document text
    • https://handinhand-daycare.com/ckfinder/userfiles/files/saluxufoji.pdfIn PDF document text
    • http://job.nspu.ru/ckeditor/kcfinder/upload/files/51021738426.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 PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0007648c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7648C 10904 bytes
SHA-256: 450a49515809f20c02c4ee341f57975eb0f5f212f887a8ca340fa0c68a7e9e9a
font_01_sfnt_off00077dce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77DCE 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off000794e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x794E9 17712 bytes
SHA-256: acdf29192c491f3cfa74ea16eaaf7ebd4218b6bae4578c9a0494a7245735980b

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