Malicious PDF — malware analysis report

Static analysis result for SHA-256 5133730c28341c2e…

MALICIOUS

PDF

43.5 KB Created: 2021-02-26 12:12:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 7bafb9f1cfb4e67077714341ee6999d4 SHA-1: 9a1aa5d3b3febaaa2482b3f8e80fc053c95a6200 SHA-256: 5133730c28341c2ea76a5b918cdeeb26a9c3870de4680d6709de616220c605d6
124 Risk Score

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 0.9316

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/award?keyword=echo+weed+eater+srm+225+spark+plug PDF link annotation
    • https://cdn.sqhk.co/nekuripafi/JxijBgg/lullabies_relax_sleep_baby.pdfIn PDF document text
    • http://igcopyrightclient.com/surah_al_waqiah_banglajqq8q.pdfIn PDF document text
    • http://003-center.ru/moviesda_tamil_attagasam_full_moviezduxq.pdfIn PDF document text
    • https://jidugurulepapol.weebly.com/uploads/1/3/4/3/134310086/8690272.pdfIn PDF document text
    • http://lavkavkusa.store/castle_learning_answersjh799.pdfIn PDF document text
    • http://pavuzebeveju.22web.org/894386681.pdfIn PDF document text
    • http://help-igcopyright.xyz/459864238116ku7k.pdfIn PDF document text
    • https://nokajadum.weebly.com/uploads/1/3/4/8/134887388/135a5.pdfIn PDF document text
    • http://kwini-fini.online/zarubuzedizubumuxivuvenipu1fq0.pdfIn PDF document text
    • https://s3.amazonaws.com/julexekubaj/space_quiz_questions_and_answers_in_english.pdfIn PDF document text
    • https://s3.amazonaws.com/bikikanafopavu/63202497620.pdfIn PDF document text
    • https://s3.amazonaws.com/suxugipipolazog/99954193979.pdfIn PDF document text
    • https://s3.amazonaws.com/dowavelaxam/86650503079.pdfIn PDF document text
    • https://s3.amazonaws.com/zurovajij/abnormal_psychology_notes.pdfIn PDF document text
    • http://gexusapinofuvep.epizy.com/pebinilemufulenenapebe.pdfIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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