Malicious PDF — malware analysis report

Static analysis result for SHA-256 2320b019444c6407…

MALICIOUS

PDF

54.5 KB Created: 2021-03-16 20:32:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: e58cc634fc7404e919178357bd08a3e4 SHA-1: 57f29a79c87f70a34bb2e84a42dec46381258cf4 SHA-256: 2320b019444c6407e4e6d52caf4ab90d774903615842d528f64f0f8e850ef7d4
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 0.5927

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://jacksth.ru/award?keyword=dark+crystal+creation+myths+pdf PDF link annotation
    • http://bawazofo.getenjoyment.net/51101191138.pdfIn PDF document text
    • http://lishop.site/97894189194yxcae.pdfIn PDF document text
    • http://kartaidatodemeleri.com/minecraft_banner_template_v3q7zcw.pdfIn PDF document text
    • http://tonerinkstore.com/7268633959360ln1.pdfIn PDF document text
    • http://lnstagramverifiedbadge-form.com/fun_kid_places_in_jacksonville_florida8mm8p.pdfIn PDF document text
    • https://tugofemupufere.weebly.com/uploads/1/3/4/5/134584107/89c92ba2727.pdfIn PDF document text
    • https://bokoxopeke.weebly.com/uploads/1/3/4/2/134266118/nawibivitegi-bawapuvagudo.pdfIn PDF document text
    • https://cdn.sqhk.co/remokuvupen/eFnihiy/hungry_shark_game_download_hack.pdfIn PDF document text
    • https://cdn.sqhk.co/gobajejuz/WxhgjeG/5534079476.pdfIn PDF document text
    • http://obsluzhivanie-kompyuterov.moscow/752616707208lq3i.pdfIn PDF document text
    • https://timelasabo.weebly.com/uploads/1/3/4/3/134345700/kubuzetugi.pdfIn PDF document text
    • https://cdn.sqhk.co/kowalaxu/hhhFuQy/42434828195.pdfIn PDF document text
    • https://cdn.sqhk.co/filomada/4ibjbib/nukelekibojowuk.pdfIn PDF document text
    • https://cdn.sqhk.co/fowijuseziju/jgjiiii/sports_bike_photos_download.pdfIn PDF document text
    • https://xovipapapili.weebly.com/uploads/1/3/0/8/130873893/pavoxifevaram.pdfIn PDF document text
    • http://reduslimitaly-ufficiale.site/30959039133zqwmi.pdfIn PDF document text
    • http://repair-monokoles.ru/jepogozirikepan576w.pdfIn PDF document text
    • http://pirewarekow.mywebcommunity.org/veterinary_bacteriology_and_mycology.pdfIn PDF document text
    • http://wellwork.site/acoustical_engineering_harry_f_olson34o9e.pdfIn PDF document text
    • https://simokenuma.weebly.com/uploads/1/3/5/3/135311421/d193e4cd3.pdfIn PDF document text
    • https://cdn.sqhk.co/tobamozusaj/C019hdz/90_s_pop_hip_hop.pdfIn PDF document text
    • http://nozozuwovore.atwebpages.com/past_tense_of_irregular_verbs_worksheets_for_grade_1.pdfIn PDF document text

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