Malicious PDF — malware analysis report

Static analysis result for SHA-256 72bb77b0b4db036b…

MALICIOUS

PDF

92.9 KB Created: 2022-03-28 11:06:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: 3998b3895aa23b8c5ff82e8dabae0c17 SHA-1: 2d1c3632e5007901c929327038808e9e1d868a65 SHA-256: 72bb77b0b4db036b606d876db00be1f020049a37a1aa9d3e0d94bfe91ea8e400
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://lazav.co.za/YmrXLWy8?keyword=what%20is%20the%20famous%20line%20from%20star%20wars PDF link annotation
    • https://zebigogax.weebly.com/uploads/1/3/4/4/134459641/3456747.pdfIn PDF document text
    • https://rixotojar.weebly.com/uploads/1/3/0/9/130969533/894f71be076f1.pdfIn PDF document text
    • https://zoparidozuxeb.weebly.com/uploads/1/3/5/3/135390671/jipasafosubav-nasujeno-gekimuw-purosoj.pdfIn PDF document text
    • https://wevoforu.weebly.com/uploads/1/3/4/5/134591306/3b54cc709cb.pdfIn PDF document text
    • https://joripulugafu.weebly.com/uploads/1/3/4/3/134318872/razoju.pdfIn PDF document text
    • https://mirekakupegop.weebly.com/uploads/1/4/1/2/141219929/4495938.pdfIn PDF document text
    • https://tuvomirunasoz.weebly.com/uploads/1/3/4/3/134324776/2dedaf40.pdfIn PDF document text
    • https://rewoseluvepe.weebly.com/uploads/1/3/4/6/134683186/383706.pdfIn PDF document text
    • https://xijadusulotogu.weebly.com/uploads/1/3/6/0/136089771/4db8fed28fd46.pdfIn PDF document text
    • https://panujiwawavila.weebly.com/uploads/1/3/4/4/134457592/sawav.pdfIn PDF document text
    • https://nagaxubonafebax.weebly.com/uploads/1/3/1/6/131606673/jinomidadute.pdfIn PDF document text
    • https://digamokabuxud.weebly.com/uploads/1/4/1/2/141253470/7488908.pdfIn PDF document text
    • https://wifaborasumekig.weebly.com/uploads/1/3/2/6/132695644/zanaveseketajojefuxo.pdfIn PDF document text
    • https://woxunuvuta.weebly.com/uploads/1/3/5/3/135399678/didosigu-vexurositowu-zimarubomeduke.pdfIn PDF document text
    • https://zidabowejixu.weebly.com/uploads/1/3/1/1/131163559/nonipu.pdfIn PDF document text
    • https://pozosukezogi.weebly.com/uploads/1/3/4/3/134386022/5ed5162.pdfIn PDF document text
    • https://gegizadewer.weebly.com/uploads/1/3/1/4/131482997/5d1551a12.pdfIn PDF document text
    • https://ziliseze.weebly.com/uploads/1/3/4/8/134855349/9065292.pdfIn PDF document text
    • https://xenonomexe.weebly.com/uploads/1/3/5/3/135386884/4087011.pdfIn PDF document text
    • https://kaxapajitab.weebly.com/uploads/1/3/4/8/134896246/1946f3da.pdfIn PDF document text
    • https://dudumudisedaj.weebly.com/uploads/1/3/4/5/134591614/f0a1a.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_off000108f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x108F5 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off00011f94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11F94 17412 bytes
SHA-256: 8b8879549519fffae998521d793383c510ac546fb80d364fdc5f87b364b8839f
font_02_sfnt_off00014c8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14C8D 10656 bytes
SHA-256: 7c5596f2493a2f28d577bfac4be85985c4cd7fda1fb06a154c0d88d416ee5869

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