Malicious PDF — malware analysis report

Static analysis result for SHA-256 1de63030de08093b…

MALICIOUS

PDF

69.9 KB Created: 2021-02-28 02:11:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: b3b8e2c8c34adec9410fda73fa592670 SHA-1: a2738aab66bbdb03bd10be503c71261210a36614 SHA-256: 1de63030de08093b4a4eaeb25f50925b35e1bb189e80861a22ae90f067071f22
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous embedded links, many of which point to disposable domains and are likely part of a phishing or scam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for credential harvesting or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9616

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://pelibifir.ru/strik?utm_term=a+raisin+in+the+sun+summary PDF link annotation
    • http://theboldpantsproject.com/kodasepezunenemasaxofee6kra.pdfIn PDF document text
    • https://cdn.sqhk.co/gukitane/jbiahcV/wegupelav.pdfIn PDF document text
    • http://veselutut.mywebcommunity.org/27542714283.pdfIn PDF document text
    • http://thecaffeinatedstudent.com/eicr_form_freelhtey.pdfIn PDF document text
    • http://ses-sanobrabotka.ru/83007519830pt72b.pdfIn PDF document text
    • https://cdn.sqhk.co/jivonotiso/4ieMEij/87597053917.pdfIn PDF document text
    • https://cdn.sqhk.co/pazakazagoz/ggUidkl/bcit_medford_nj.pdfIn PDF document text
    • https://cdn.sqhk.co/dodamewope/eeja4ji/rockauto_reviews_bbb.pdfIn PDF document text
    • https://cdn.sqhk.co/voxoduvi/bphijiV/i_will_cross_the_bridge_meaning.pdfIn PDF document text
    • https://cdn.sqhk.co/juvebuzizej/hgYOMhg/49145340986.pdfIn PDF document text
    • http://oneshops.space/7491208204105xut.pdfIn PDF document text
    • https://cdn.sqhk.co/giwumazusew/1gfjajc/15325989113.pdfIn PDF document text
    • https://cdn.sqhk.co/pigajifaw/fjgdhbT/banner_saga_2_lundar_choices.pdfIn PDF document text
    • http://poposiruta.mywebcommunity.org/what_to_write_on_verification_of_property_condition.pdfIn PDF document text
    • http://livirava.atwebpages.com/play_a_game_of_chicken_meaning.pdfIn PDF document text
    • http://miganuvag.myartsonline.com/rinobofukopenor.pdfIn PDF document text

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