Malicious PDF — malware analysis report

Static analysis result for SHA-256 08c2a7e9e7cea6fb…

MALICIOUS

PDF

44.9 KB Created: 2021-02-27 11:43:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 7fb779cd62d869e158e93140b4a764c5 SHA-1: 5a4f6ef7674ccf053e1a97355151d7fa2aa447e9 SHA-256: 08c2a7e9e7cea6fb126fc29d65111eba5cdebeea7801f00c46dbab078ab86274
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 0.7468

Heuristics 4

  • 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 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://golowaki.ru/award?keyword=what+is+characterization+in+private+international+law PDF link annotation
    • http://romeita.space/83641911333we41e.pdfIn PDF document text
    • http://naykaryadom.fun/zisifosijowepovusaruvigbs4dz.pdfIn PDF document text
    • https://buderenedisam.weebly.com/uploads/1/3/5/3/135302361/gifegu.pdfIn PDF document text
    • http://bamefidev.mygamesonline.org/rukaj.pdfIn PDF document text
    • http://xetumejowizaguk.22web.org/26525637262.pdfIn PDF document text
    • http://miiliioner.xyz/tn_guideline_value_maduraiccr20.pdfIn PDF document text
    • http://lirubapifegira.22web.org/bca_mathematics_notes_1st_semester.pdfIn PDF document text
    • http://bumumapa.mypressonline.com/60986856144.pdfIn PDF document text
    • http://xuwuvewisin.mypressonline.com/the_art_of_r_programming.pdfIn PDF document text
    • http://pixxel.life/46372289996fu1n9.pdfIn PDF document text
    • https://dizodedijep.weebly.com/uploads/1/3/5/3/135391654/588d941a1c2bb4e.pdfIn PDF document text
    • http://winovigamaj.mygamesonline.org/logelurum.pdfIn PDF document text
    • http://alisabor.design/competitiveness_report_201047tam.pdfIn PDF document text
    • http://gagonunanu.epizy.com/accounting_principles_and_conventions.pdfIn PDF document text
    • http://butadiviwev.rf.gd/76419666882.pdfIn PDF document text
    • http://bazokupakem.epizy.com/how_long_does_it_take_to_count_to_20_000.pdfIn PDF document text
    • http://liroporuki.myartsonline.com/why_is_my_washing_machine_not_draining_the_water.pdfIn PDF document text
    • http://novosumagib.epizy.com/19707091217.pdfIn PDF document text

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