Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd2ff40852859441…

MALICIOUS

PDF

54.2 KB Created: 2021-06-08 15:14:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: b1ef37069b66d96690d3aee55f54be7e SHA-1: f1e1d515c2cac98d6bd31cc198735b9efed2cbc1 SHA-256: dd2ff40852859441f5a3d4c1ef8b55546c4f2282dd2c1713e14e5758de1ab138
124 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9535

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://crysiq.ru/pbw?utm_term=cuantos+capitulos+de+one+punch+man+temporada+2 PDF link annotation
    • https://uploads.strikinglycdn.com/files/49ce53ae-e160-428d-82c4-0b632fdb1a1d/63116570892.pdfIn PDF document text
    • http://rupebaxo.pbworks.com/w/file/fetch/144494892/83405062560.pdfIn PDF document text
    • http://ravowibosu.pbworks.com/w/file/fetch/144469575/descargar_step_7_micro_win_para_windows_10_64_bits.pdfIn PDF document text
    • http://gabekujijud.pbworks.com/w/file/fetch/144546078/rainbow_six_siege_charms_amazon.pdfIn PDF document text
    • http://pupowivala.pbworks.com/f/42305641856.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1f061199-ee9e-4bec-809e-75a48b57f937/zunem.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/017eb667-b7b8-4d18-9cbc-cf1c45762583/pelco_spectra_iv_wiring_diagram.pdfIn PDF document text
    • http://dawanitapix.pbworks.com/f/vw_polo_2002_owners_manual.pdfIn PDF document text
    • http://jajisaparev.pbworks.com/f/99477554620.pdfIn PDF document text
    • http://fokojifidesi.pbworks.com/w/file/fetch/144830856/6.pdfIn PDF document text
    • http://fajopab.pbworks.com/w/file/fetch/144546198/nokoxazuxip.pdfIn PDF document text
    • http://mulasamesi.pbworks.com/f/how_to_activate_wavepad_sound_editor.pdfIn PDF document text
    • http://siseraxoru.pbworks.com/f/pexuz.pdfIn PDF document text
    • http://fagimox.pbworks.com/w/file/fetch/144570216/86794203679.pdfIn PDF document text
    • http://pejokawigar.pbworks.com/f/ditozurazigetekanagasija.pdfIn PDF document text
    • http://zizovitunex.pbworks.com/w/file/fetch/144614739/wojidusepiture.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b0c342ef-5ce0-4d06-b03c-bf7b3354003a/69857331305.pdfIn PDF document text
    • http://wenitat.pbworks.com/w/file/fetch/144551829/10701810620.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/561cdf50-efb2-4067-8b51-8ee83a885756/bimumowozutonofawotogedib.pdfIn PDF document text

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