Malicious PDF — malware analysis report

Static analysis result for SHA-256 4af97c500949dbf8…

MALICIOUS

PDF

70.2 KB Created: 2020-12-08 23:08:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-06
MD5: ba601830bd8ff9d764f0ada4fa3bca29 SHA-1: 6dda73e8eea7f83cc738fd8792e67e875a193ca2 SHA-256: 4af97c500949dbf853a75009be416a9b6eb89b2432c978403d59573a6ade0670
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://trafffe.ru/strik?utm_term=tac+vector+optics+4.5-18 PDF link annotation
    • https://gabodubelekopo.weebly.com/uploads/1/3/4/3/134356924/lanajexi.pdfIn PDF document text
    • https://levevuwakute.weebly.com/uploads/1/3/4/9/134904524/3983747.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481695/normal_5fca49fe1951c.pdfIn PDF document text
    • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/wogiselaruto-nokage.pdfIn PDF document text
    • https://safasisi.weebly.com/uploads/1/3/4/4/134472516/kalofax_zujobexebamukez.pdfIn PDF document text
    • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/6870013.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/a83166dd-ed82-4a8c-ac62-3e6a459c6fb4/62971844545.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d9da5910-c0e0-4d18-bc74-d91341c70c62/6797013448.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4669c9b3-13df-4690-b44d-1a6f886aed36/povima.pdfIn PDF document text
    • https://s3.amazonaws.com/dinigugaxej/amenaza_de_parto_pretermino_nifedipino.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c06c8677-c1c0-41b4-bda9-5eb753a142c1/93320575728.pdfIn PDF document text
    • https://s3.amazonaws.com/fumiposamisur/god_of_war_valkyrie_guide_gunnr.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/66787395-9d6d-493a-bea0-5350d22b94f5/anatomy_of_the_spirit_free.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d240.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD240 5428 bytes
SHA-256: 2b002ee4ef645e3ccabc7618d12a85a2029c73f67e217a37e153c10392d322b5
font_01_sfnt_off0000e4e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4E0 11592 bytes
SHA-256: 9f4f77c29ad21ee30a6f09002c73e08ae74064689795d77f1036b48746cbaa72