Malicious PDF — malware analysis report

Static analysis result for SHA-256 abfbc41e6073996a…

MALICIOUS

PDF

47.0 KB Created: 2021-02-26 09:32:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14
MD5: a5eface01ef53d7c9fcc2527b42ec0f6 SHA-1: 3013cd29a75e95342e745023e753e73e99ac8a10 SHA-256: abfbc41e6073996ad8b67d489ab96ef11291019273ebfddd273ee600c5884506
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The presence of external URIs and the overall structure indicate an attempt to redirect users to potentially harmful content or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8572

Heuristics 5

  • 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
  • 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://druttle.ru/award?keyword=sharp+atomic+clock+instructions+time+zone PDF link annotation
    • https://tidemipevu.weebly.com/uploads/1/3/0/7/130740592/1667473.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460071/normal_5fea10ea13017.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454041/normal_602b8355aeab7.pdfIn PDF document text
    • https://rabupipimefife.weebly.com/uploads/1/3/0/8/130874594/wevarezanexojajuvuz.pdfIn PDF document text
    • https://nokajadum.weebly.com/uploads/1/3/4/8/134887388/57a43dc1c65a05.pdfIn PDF document text
    • http://sevagawos.getenjoyment.net/99350902755.pdfIn PDF document text
    • http://wemuwetafivaxe.sportsontheweb.net/84112041607.pdfIn PDF document text
    • https://suxapenogabako.weebly.com/uploads/1/3/4/6/134602080/gafiwegegabubewa.pdfIn PDF document text
    • https://woziwapimarezex.weebly.com/uploads/1/3/5/4/135400795/7929024.pdfIn PDF document text
    • https://cdn.sqhk.co/rigizisojix/MHhbwnN/tavadegopemi.pdfIn PDF document text
    • https://dubebonu.weebly.com/uploads/1/3/0/8/130874554/c0f7264083a.pdfIn PDF document text
    • https://cdn.sqhk.co/korulifesewa/PUkjaRC/how_fast_can_you_grow_your_credit_score.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421335/normal_5fcf1340cb2a6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415292/normal_600a6cba1ded7.pdfIn PDF document text
    • http://trokot-roznica.xyz/7421340350584229.pdfIn PDF document text
    • https://vojimefijizudi.weebly.com/uploads/1/3/4/3/134310580/7fcb02699a.pdfIn PDF document text
    • https://jagotizepevex.weebly.com/uploads/1/3/4/4/134464701/3224495.pdfIn PDF document text
    • http://mubodadekutaxim.atwebpages.com/duwitebalu.pdfIn PDF document text
    • http://tavamikilav.myartsonline.com/what_is_a_covid_19_policy.pdfIn PDF document text

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