Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d8e13d2773f41df…

MALICIOUS

PDF

50.1 KB Created: 2021-03-25 14:40:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: efa724859b77fa689d40912c600e5be5 SHA-1: 57e01dcf3110eff52a5da1eec7435d7d7684daaa SHA-256: 7d8e13d2773f41dfe1af0edd44914d7c83ac3c5fc41734a74483f7c784c3c74d
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7003

Heuristics 4

  • 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 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
  • 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://baarspo.ru/strik?utm_term=calories+in+arby%2527s+horsey+sauce+packet PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4419820/normal_5fc5a9d2bd296.pdfIn PDF document text
    • http://xovijezup.mywebcommunity.org/vurepuparitewadometi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424024/normal_604cbfe56b44e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407818/normal_6033fa70c3f2a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459035/normal_6044947041cac.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4479454/normal_5ffe9615bb69c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4444113/normal_60260eecddeb0.pdfIn PDF document text
    • http://jakuzilikigo.iblogger.org/fugejebitaxiwub.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459319/normal_602baf8523e43.pdfIn PDF document text
    • http://tapanowi.epizy.com/avatar_full_hd_movie_filmywap.pdfIn PDF document text
    • http://pojoviraxerojo.myartsonline.com/ganesh_atharvashirsha_in_telugu.pdfIn PDF document text
    • http://famekemij.epizy.com/nalibogikosaxoxezetusiw.pdfIn PDF document text
    • http://vuzuwukef.atwebpages.com/motigeliwelil.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/999d0883-cc04-42e9-b7d6-6861d8393fa4/magic_chef_wine_cooler_repair_manual.pdfIn PDF document text
    • http://kikiregunuda.rf.gd/differential_and_integral_calculus_by_feliciano_and_uy_complete_solution_manual.pdfIn PDF document text
    • http://goterarok.rf.gd/bejenunatukunumejugiju.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/10bff537-2b6a-4788-9e43-e1147610f1f9/intermediate_algebra_for_college_students_8th_edition.pdfIn PDF document text
    • http://gubilozav.epizy.com/57395137698.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/56e6ba7d-1c6b-46d5-be32-62efb2d972b4/language_in_thought_and_action_by_s._i._hayakawa.pdfIn PDF document text
    • http://duwimufowewis.epizy.com/miwifojilax.pdfIn PDF document text
    • http://betiravel.epizy.com/daxabivakud.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/00103f00-0b3d-4529-81d1-b5516ae2158b/sutega.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/27500dde-ab5a-4b98-bc16-b52c0ef20b4f/diana_her_true_story_summary.pdfIn PDF document text
    • http://zivosefim.rf.gd/sotekopopujuveki.pdfIn PDF document text
    • http://roduzafudi.rf.gd/abbyy_transformer_2._0.pdfIn PDF document text
    • http://kipejefanowisu.atwebpages.com/44221061976.pdfIn PDF document text

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