Malicious PDF — malware analysis report

Static analysis result for SHA-256 430e206a3742b269…

MALICIOUS

PDF

69.1 KB Created: 2021-03-03 00:23:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: b10de40d27c44e15694198ca3b32c18d SHA-1: 6d2d9cfd9d1d0d6b6c6857c362cf7c890d1afe01 SHA-256: 430e206a3742b269460905586f1392b27871fc443e8bc87d0c0d3727c55b9b3f
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://botokaw.ru/award?keyword=hunter+wireless+solar+sync+receiver PDF link annotation
    • https://wuwonerosetopux.weebly.com/uploads/1/3/1/6/131606808/fedapu.pdfIn PDF document text
    • https://rupuleda.weebly.com/uploads/1/3/6/0/136002844/c84722dc9232a30.pdfIn PDF document text
    • https://gilawidukawopux.weebly.com/uploads/1/3/2/7/132741225/6a7091e89a35445.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451932/normal_601db315d71fc.pdfIn PDF document text
    • https://kazugimopizefew.weebly.com/uploads/1/3/1/4/131406381/9666993.pdfIn PDF document text
    • https://fozonened.weebly.com/uploads/1/3/5/3/135326763/3172172.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370319/normal_6037bfdd5a285.pdfIn PDF document text
    • http://kukudufuwole.iblogger.org/lipipotomokomogi.pdfIn PDF document text
    • https://tulosiwawi.weebly.com/uploads/1/3/5/3/135326734/visor.pdfIn PDF document text
    • http://delinapod.mypressonline.com/hyundai_service_center_melaka.pdfIn PDF document text
    • https://pazunorafozide.weebly.com/uploads/1/3/0/7/130776571/nobolufosul-fenidonase-mudazofuno-timikebiripaj.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4484154/normal_5fec88e61461a.pdfIn PDF document text
    • https://dokakuzod.weebly.com/uploads/1/3/4/8/134884054/1b09171eec.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366397/normal_5fff782a3aab6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379049/normal_6001237e4f6db.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380229/normal_6025a0171c93c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367650/normal_5fc80e205d7fe.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://liwubujuwu.epizy.com/games_emulator_ps1_for_android.pdfIn PDF document text
    • http://vinegufoxa.rf.gd/keto_diet_plan_veg.pdfIn PDF document text
    • http://nilidori.rf.gd/animal_cell_anatomy.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_off0000d1fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1FB 5008 bytes
SHA-256: 45f286df26f19fe16ae0be7a67a95afba686c25c5b811ddf25861ec7087ddc05
font_01_sfnt_off0000e32d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE32D 10484 bytes
SHA-256: c7c15f37b7e437c8f009c8a1d73e159b7f361cf484fa4b1a70253176b416fbfc

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