Malicious PDF — malware analysis report

Static analysis result for SHA-256 25b2342fcb878239…

MALICIOUS

PDF

70.7 KB Created: 2021-06-11 06:25:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: fe9bf8af507cefce550c2b4990ad79d0 SHA-1: b99115dfef6b2b2e3246e7bd2b0d0f536d1e2539 SHA-256: 25b2342fcb878239ef701dada7bc3573f19ecaf777fb625e00c4dec7ed091c04
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 0.6002

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://drafthe.ru/pbw?utm_term=how+to+use+dowsing+machine+soulsilver PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4482215/normal_6001e1c80102c.pdfIn PDF document text
    • https://zujizivuzilinum.weebly.com/uploads/1/3/5/3/135344014/10f06e0f1d.pdfIn PDF document text
    • https://rowagikej.weebly.com/uploads/1/3/4/6/134678960/jupozuruzukupi-barujita-fisabaf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446500/normal_60c1a7d6731da.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375700/normal_6005626549d46.pdfIn PDF document text
    • https://sabitafev.weebly.com/uploads/1/3/4/3/134308069/mifut.pdfIn PDF document text
    • https://saguwaxofules.weebly.com/uploads/1/3/2/6/132681351/17305e0560401f4.pdfIn PDF document text
    • https://keboxineb.weebly.com/uploads/1/3/0/9/130969034/rumidune_wuwajutib_luzipetepokegez.pdfIn PDF document text
    • https://kuviwavu.weebly.com/uploads/1/3/1/6/131606254/mufiwelojawopo.pdfIn PDF document text
    • https://jigukijovumide.weebly.com/uploads/1/3/0/7/130740363/piterexujisut_goravunogizip_ponawez.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366325/normal_6055759f17e3f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459057/normal_6003b2b4b468d.pdfIn PDF document text
    • https://ranadelogixapik.weebly.com/uploads/1/3/4/4/134483714/9881294.pdfIn PDF document text
    • http://mifimoruzuwo.pbworks.com/f/80113362538.pdfIn PDF document text
    • http://buvulareka.pbworks.com/w/file/fetch/144603591/85679032887.pdfIn PDF document text
    • http://jeveriwilum.pbworks.com/w/file/fetch/144837018/chennai_express_full_movie_hindi_hd_download_filmywap.pdfIn PDF document text
    • http://jebodigezev.pbworks.com/f/surah_e_yasin.pdfIn PDF document text
    • http://vikowezanipe.pbworks.com/f/numugiliz.pdfIn PDF document text
    • http://dipazuwawex.pbworks.com/f/99648866.pdfIn PDF document text
    • http://rukutuxeriro.pbworks.com/w/file/fetch/144552840/cvc_phonics_booklet.pdfIn PDF document text
    • http://jiboduxoguv.pbworks.com/f/super_turbo_vpn_master_proxy_apk__50____Low__4.pdfIn PDF document text
    • http://risuxujuvu.pbworks.com/w/file/fetch/144519453/89545810971.pdfIn PDF document text

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