Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7934de68a0a4940…

MALICIOUS

PDF

184.7 KB Created: 2021-03-21 05:20:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 9dfec47792054348b27ed2e133d543b8 SHA-1: bcafed4bf12bc0edc9755df3179d993a8b69929c SHA-256: c7934de68a0a49402fd709e5ab97b8144809cc5b75e9e7da3c1263ed5f97dd86
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 0.9466

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://kuzutuzo.ru/award?keyword=english+to+french+alphabet+pdf PDF link annotation
    • http://lessonsonline.site/beachcomber_hot_tub_manual_2006bpjrn.pdfIn PDF document text
    • https://naroxelilokatud.weebly.com/uploads/1/3/1/3/131384214/fenigivaxurematum.pdfIn PDF document text
    • https://lojodisomu.weebly.com/uploads/1/3/4/0/134042672/zubiwimoj.pdfIn PDF document text
    • http://tersq.fun/tikojizumuraboaqq1w.pdfIn PDF document text
    • http://reduslim-official.website/descargar_bluetooth_para_android3xvlb.pdfIn PDF document text
    • https://jasugigikimodo.weebly.com/uploads/1/3/1/3/131383258/bobiwaxipixonajefig.pdfIn PDF document text
    • https://jexafowasefuxuv.weebly.com/uploads/1/3/4/5/134588667/8551288.pdfIn PDF document text
    • http://zhenskiizhurnal.ru/jumetevub3b07i.pdfIn PDF document text
    • https://telogedibosujo.weebly.com/uploads/1/3/1/4/131438044/08d2e0dcf5a.pdfIn PDF document text
    • https://zenisitidijo.weebly.com/uploads/1/3/4/3/134309999/5658123.pdfIn PDF document text
    • http://vijufik.iblogger.org/lupezo.pdfIn PDF document text
    • https://kobizixudowizeb.weebly.com/uploads/1/3/4/4/134402546/rudosukiz_xuvevadifusino_fopajifetawuwaj_dezefogatun.pdfIn PDF document text
    • http://moreprodukti.com/mogubabis75ary.pdfIn PDF document text
    • https://s3.amazonaws.com/purufiz/bluetooth_keyboard_android_to_pc.pdfIn PDF document text
    • http://baruluzibovog.epizy.com/nalivokimofesudemur.pdfIn PDF document text
    • https://s3.amazonaws.com/pibabopuduj/cdphp_medicare_choices_vaccine_coverage_guide.pdfIn PDF document text
    • http://lopumupukerodu.epizy.com/binomische_formel_allgemeine_form.pdfIn PDF document text

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