Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7adea99f907020f…

MALICIOUS

PDF

42.4 KB Created: 2021-01-30 06:55:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 9201f3d8a8154b391a9ea6a8a3fe5bbe SHA-1: b605943369b6808f3ea06372ba8521ce6f19a0f6 SHA-256: d7adea99f907020f02aed3984a482e54132e29dbb0c7ec896a75f108b43485d7
184 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 0.8150

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 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
  • 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://seumenha.ru/aws?utm_term=broken+angel+song+mp4+free PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4463005/normal_60148c544329b.pdfIn PDF document text
    • http://supportcopyright.net/sto_kamarag_battlecruisers02eb.pdfIn PDF document text
    • https://vimosetadasosus.weebly.com/uploads/1/3/2/7/132740377/3913902.pdfIn PDF document text
    • https://witetalujoloxof.weebly.com/uploads/1/3/0/7/130740434/burafulimit.pdfIn PDF document text
    • http://malespw.xyz/switch_pro_controller_prices384u9.pdfIn PDF document text
    • https://fuzitadixasixo.weebly.com/uploads/1/3/1/3/131381677/kojosusimujuf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458137/normal_600a71d9edc0f.pdfIn PDF document text
    • https://dusonomikeka.weebly.com/uploads/1/3/2/6/132695238/rezaxo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484612/normal_5fdb361177152.pdfIn PDF document text
    • http://pollsexpert.com/7513407315jyz3n.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447647/normal_5fe82e27b0b60.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382638/normal_5ff663d4a9b08.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4390996/normal_5ff280158a162.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4474978/normal_5fd11a900d925.pdfIn PDF document text
    • https://bexipame.weebly.com/uploads/1/3/0/7/130776855/5639171.pdfIn PDF document text
    • https://zogadinarele.weebly.com/uploads/1/3/1/4/131409244/sutufes.pdfIn PDF document text
    • https://pugiputofal.weebly.com/uploads/1/3/4/7/134740318/gatiruzotuw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481847/normal_5fdc6c407a52e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4504922/normal_5fc86f61009cf.pdfIn PDF document text
    • https://xatevixi.weebly.com/uploads/1/3/4/6/134651360/ad1144fc32.pdfIn PDF document text

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