Malicious PDF — malware analysis report

Static analysis result for SHA-256 f38c3afa00deec59…

MALICIOUS

PDF

61.3 KB Created: 2021-03-03 01:28:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 042fcf1f681b92462efbbf346df2260a SHA-1: dc3e1e46b5b8c3e2f17e1e5b0631323235675165 SHA-256: f38c3afa00deec59fef39d9005ccd82f952d9f72dd840357b581183526e03fd0
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs pointing to disposable hosting, indicating a link farm designed to redirect users to potentially malicious sites. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. While no scripts were extracted, the high number of external links and the nature of the hosting suggest an attempt to distribute malware or conduct phishing attacks.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9542

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://lozipotod.ru/award?keyword=php+dynamic+website+templates+free+download+with+database PDF link annotation
    • https://mikezibe.weebly.com/uploads/1/3/1/4/131453119/e9fd3a.pdfIn PDF document text
    • http://safijejog.mygamesonline.org/22131449199.pdfIn PDF document text
    • https://poniparo.weebly.com/uploads/1/3/4/6/134610273/kevetalez.pdfIn PDF document text
    • http://medebupima.sportsontheweb.net/what_time_is_too_early_for_dinner.pdfIn PDF document text
    • http://fakurivevid.scienceontheweb.net/86869783373.pdfIn PDF document text
    • http://jalazekesofijot.medianewsonline.com/is_sat_required_for_class_of_2022.pdfIn PDF document text
    • http://lebiwejodedexo.22web.org/bugaboo_cameleon_1_instruction_manual.pdfIn PDF document text
    • http://kavademive.sportsontheweb.net/taurus_pt111_millennium_g2_9mm_pistol_review.pdfIn PDF document text
    • http://riwotivadejud.sportsontheweb.net/74737929770.pdfIn PDF document text
    • https://midodelawipage.weebly.com/uploads/1/3/4/5/134585137/wogegefosofikutemoja.pdfIn PDF document text
    • https://wabelurotetef.weebly.com/uploads/1/3/4/6/134693048/meribake.pdfIn PDF document text
    • http://jujobope.atwebpages.com/46485047720.pdfIn PDF document text
    • http://koxolavomuzo.myartsonline.com/ganongs_review_of_medical_physiology_latest_edition.pdfIn PDF document text
    • http://fovusuru.epizy.com/miromuxam.pdfIn PDF document text
    • http://sukokovevaz.atwebpages.com/i_am_a_man_lyrics.pdfIn PDF document text
    • https://s3.amazonaws.com/pajeriramal/94617622906.pdfIn PDF document text
    • http://vejegaba.atwebpages.com/percy_jackson_sea_of_monsters_cast_poseidon.pdfIn PDF document text
    • http://xejapudef.epizy.com/bollywood_new_movies_2019_full_hd.pdfIn PDF document text

Related samples 8

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