Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4f87bc06408bb37…

MALICIOUS

PDF

74.3 KB Created: 2022-03-27 10:08:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-01
MD5: 94b967945cf5d4cf93852e6a89bed771 SHA-1: 8936510a61a034679b1fcd68453e409aa64fbd87 SHA-256: a4f87bc06408bb371c73baabdd060ef75d63f5262c6f6a70e3316d988a82266d
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://loheb.co.za/YmrXLWy8?keyword=epson%20xp-320%20printer%20setup PDF link annotation
    • https://didowivukosu.weebly.com/uploads/1/3/4/4/134470318/9911d80.pdfIn PDF document text
    • https://garijonomiwobe.weebly.com/uploads/1/3/4/7/134711127/c504788.pdfIn PDF document text
    • https://ripegedabezigiz.weebly.com/uploads/1/3/2/6/132695689/doruri_ritefujad_wifukowi.pdfIn PDF document text
    • https://garijonomiwobe.weebly.com/uploads/1/3/4/7/134711127/a94d4e35.pdfIn PDF document text
    • https://sibozigoguxo.weebly.com/uploads/1/3/0/9/130969143/1761977.pdfIn PDF document text
    • https://sodavamipe.weebly.com/uploads/1/3/4/5/134513083/gufeli-zipuxuze-kofufeliwozus.pdfIn PDF document text
    • https://narodejezagog.weebly.com/uploads/1/3/3/9/133988416/a0a1c.pdfIn PDF document text
    • https://fumadutukit.weebly.com/uploads/1/3/1/4/131437402/topaxo.pdfIn PDF document text
    • https://vesanalu.weebly.com/uploads/1/3/1/4/131482823/zuletinu-fowadasolosof-nusomedefezameg.pdfIn PDF document text
    • https://fezuxikazosulav.weebly.com/uploads/1/3/1/3/131398093/jifikuluxosise_dawakotoxivab_jaxofexedamazen_kudemale.pdfIn PDF document text
    • https://divebofa.weebly.com/uploads/1/3/4/6/134690115/bugenokibuturi_nimaxoz_fibinanax_vasomal.pdfIn PDF document text
    • https://tokokurud.weebly.com/uploads/1/3/4/7/134744431/fawedomoradobopa.pdfIn PDF document text
    • https://jinizunoluvazo.weebly.com/uploads/1/3/4/5/134592141/xofuxunidadeva.pdfIn PDF document text
    • https://verigidiloje.weebly.com/uploads/1/3/0/8/130874422/bizaxuzose.pdfIn PDF document text
    • https://begafirezudafo.weebly.com/uploads/1/3/1/4/131438667/8308398.pdfIn PDF document text
    • https://lexurugimakosus.weebly.com/uploads/1/3/4/7/134718338/vosirowijudakow-tipusariziz-wotutuve.pdfIn PDF document text
    • https://xoragawamu.weebly.com/uploads/1/3/4/6/134666694/fapuwoselafib.pdfIn PDF document text
    • https://norigawe.weebly.com/uploads/1/3/3/9/133988483/lolizezuzokudid-kupije-kagirawav-kizugexeta.pdfIn PDF document text
    • https://rivelipa.weebly.com/uploads/1/3/5/3/135349188/86ed7b6bc0.pdfIn PDF document text
    • https://sexeduju.weebly.com/uploads/1/3/5/3/135327292/2991669.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_off0000c020.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c020.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c020.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC020 10668 bytes
SHA-256: 75cecc60f73fdc2c078af87d16fd9a9ee26cf7d89f0adbe4ffa175fe61a1e436
font_01_sfnt_off0000d8d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8D5 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off0000ef74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF74 16864 bytes
SHA-256: a4e33a56517ea5667e78068051534f45f5326aaf7f93cb54197036c08cc82033

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