Malicious PDF — malware analysis report

Static analysis result for SHA-256 05995004e1bad952…

MALICIOUS

PDF

58.4 KB Created: 2021-02-28 04:36:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 0286954768279a77ebe36effbb32ba76 SHA-1: dc6b0b995d8874216e14ce5af2af4cb99ca745d0 SHA-256: 05995004e1bad9521d5cd48a628966f9bc60c53d17be555f1c20def6a134b2bb
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 0.8754

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://resalured.ru/aws?utm_term=what+is+a+elevation+plan PDF link annotation
    • https://cdn.sqhk.co/dudugetogi/fvgi4jb/zidomifelipu.pdfIn PDF document text
    • https://cdn.sqhk.co/nanijamu/iCjhaiu/need_for_racing_new_speed_car_mod.pdfIn PDF document text
    • http://4escam-bot.online/tibilekupufowovafnvjd2.pdfIn PDF document text
    • https://nufapapezo.weebly.com/uploads/1/3/0/9/130969462/piteboganixedomodep.pdfIn PDF document text
    • https://cdn.sqhk.co/naliwanik/vgggehi/league_of_legends_wild_rift_release_date.pdfIn PDF document text
    • https://wilibuluso.weebly.com/uploads/1/3/6/0/136086636/6416959.pdfIn PDF document text
    • http://fefiwizam.sportsontheweb.net/59586281081.pdfIn PDF document text
    • https://cdn.sqhk.co/jejefudebuxi/Tjf4hKT/car_simulator_m5_mod_apk_happymod.pdfIn PDF document text
    • https://degijidugaf.weebly.com/uploads/1/3/4/8/134886203/situpe-petupif.pdfIn PDF document text
    • https://kejarokelevu.weebly.com/uploads/1/3/5/2/135297316/5412674.pdfIn PDF document text
    • https://ganusanawopat.weebly.com/uploads/1/3/4/4/134488834/valaxot-zoritusoxeme.pdfIn PDF document text
    • https://cdn.sqhk.co/mogezunir/Thcgehc/90335116513.pdfIn PDF document text
    • https://nepazumikad.weebly.com/uploads/1/3/5/9/135958915/9064261.pdfIn PDF document text
    • https://ninitirasaru.weebly.com/uploads/1/3/5/3/135317350/28a6245a7dbdade.pdfIn PDF document text

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