Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2f5b3bffc443fdc…

MALICIOUS

PDF

76.4 KB Created: 2022-03-28 18:57:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: ae371dc0302daa7310b3c83ceca31cd7 SHA-1: 7f1176beecf41f3b2a15c0d8c3d16d48cc345a76 SHA-256: f2f5b3bffc443fdcad91128989666bacc2810a644e90804c24b35d69dd84550b
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://lovig.co.za/YmrXLWy8?keyword=tomorrow%20when%20the%20war%20began%20book%20series%20big%20w PDF link annotation
    • https://fumuradowije.weebly.com/uploads/1/3/0/7/130739974/4a5e3b22a956.pdfIn PDF document text
    • https://wojafegozotug.weebly.com/uploads/1/3/1/6/131606577/7146978.pdfIn PDF document text
    • https://febujularezot.weebly.com/uploads/1/3/0/8/130813651/c7e1ca2a2dcf26.pdfIn PDF document text
    • https://gavozosalaz.weebly.com/uploads/1/3/1/1/131163920/limamubinopewunule.pdfIn PDF document text
    • https://zorepuwozodu.weebly.com/uploads/1/3/4/3/134399810/sexalexew_silosetoz_risija_xoferod.pdfIn PDF document text
    • https://pejagefetem.weebly.com/uploads/1/3/0/8/130815482/9781c2.pdfIn PDF document text
    • https://mogazikazalag.weebly.com/uploads/1/3/4/4/134440800/dadatasijepabole.pdfIn PDF document text
    • https://lajezufil.weebly.com/uploads/1/3/4/6/134636359/09ad7d6d45.pdfIn PDF document text
    • https://zevupumogejaju.weebly.com/uploads/1/3/2/8/132814041/jiralonozosarus.pdfIn PDF document text
    • https://wivixape.weebly.com/uploads/1/3/4/8/134897282/9622609.pdfIn PDF document text
    • https://tovisasuwuvep.weebly.com/uploads/1/3/4/5/134513775/8616653.pdfIn PDF document text
    • https://daxosunusopudom.weebly.com/uploads/1/3/4/5/134510034/ba6d793080.pdfIn PDF document text
    • https://wedisojurul.weebly.com/uploads/1/3/4/5/134515344/dbd205dbc2d.pdfIn PDF document text
    • https://vedabigejiko.weebly.com/uploads/1/3/1/4/131438046/sizufisapug.pdfIn PDF document text
    • https://fazofiketir.weebly.com/uploads/1/3/4/5/134507238/3667925.pdfIn PDF document text
    • https://ketawikiluruwa.weebly.com/uploads/1/3/4/7/134741516/a46007d6956.pdfIn PDF document text
    • https://mesofozup.weebly.com/uploads/1/3/5/3/135351624/gediredunalaj_movuduxof.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_off0000c5ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5BA 10788 bytes
SHA-256: 807ad8eb7ab1a43a9544165678c15555a8839c1326a48d99caeb16d622a99641
font_01_sfnt_off0000de78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE78 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off0000f517.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF517 17604 bytes
SHA-256: 49e2b036ccd53089a443c612b0d109ba0e53b57210de63181c30680c5699f679

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