Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1b12bad998da546…

MALICIOUS

PDF

42.4 KB Created: 2021-03-03 22:57:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: f6a8aa18b162a857a4634f56f80858db SHA-1: 40151dcdcfd9780b03fadb0c3a68cba00ed39098 SHA-256: e1b12bad998da546e3a420ba94cccaec22085c948ca12919c75b2f4a08556efb
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 0.7539

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://dugedepap.ru/aws?utm_term=how+to+trade+in+with+amazon PDF link annotation
    • http://emirofficialzm.com/penguin_reader_beginnerm2b4v.pdfIn PDF document text
    • https://cdn.sqhk.co/xemugugafot/Ln2ihhc/bollywood_romantic_ringtone_download_2020.pdfIn PDF document text
    • http://wewogokuwidu.mywebcommunity.org/kedidefuxalupeba.pdfIn PDF document text
    • https://cdn.sqhk.co/pibegufuxova/jaUytie/33469093175.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4491933/normal_603521b095512.pdfIn PDF document text
    • http://pedaxofanor.mywebcommunity.org/is_gimp_a_virus.pdfIn PDF document text
    • http://xomapometafa.iblogger.org/highsnobiety_store_guide_hong_kong.pdfIn PDF document text
    • https://cdn.sqhk.co/rosavuzezig/jchfHgg/40276571184.pdfIn PDF document text
    • http://fineagencyy.com/security_risk_assessment_document_templateawonz.pdfIn PDF document text
    • https://s3.amazonaws.com/bejideba/87730493601.pdfIn PDF document text
    • http://xolevusafo.myartsonline.com/luxonefusilar.pdfIn PDF document text
    • http://wemiwapava.epizy.com/best_hd_wallpapers_app.pdfIn PDF document text
    • http://sajojuwew.rf.gd/72053954778.pdfIn PDF document text
    • https://s3.amazonaws.com/buwosevax/black_mart_apk_new_version.pdfIn PDF document text
    • https://s3.amazonaws.com/tixedujegibex/46509918983.pdfIn PDF document text
    • http://rizivubonulej.atwebpages.com/whos_afraid_of_virginia_woolf_full_movie_free.pdfIn PDF document text

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