Malicious PDF — malware analysis report

Static analysis result for SHA-256 28ed19768f8d1283…

MALICIOUS

PDF

52.6 KB Created: 2021-02-07 21:07:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 97e279306c9ed36fdd8b461509de461a SHA-1: 9e0dc5e446dd830ce1e88fcc80698f80c8d9c983 SHA-256: 28ed19768f8d12839b4cc9272d18853a9afe4f6b8c2a4f8cd2cd794cbf0e4b77
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 0.7973

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/aws?utm_term=kanaa+movie++tamilplay PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4410217/normal_60114556c98f8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4483335/normal_6019caa1210be.pdfIn PDF document text
    • http://dress-russia.ru/famupapiwapetouer0x.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383565/normal_5fcbdb30a9d05.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4493876/normal_6007fb2e67428.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367271/normal_5fd2023ea75de.pdfIn PDF document text
    • https://kagivosivozavex.weebly.com/uploads/1/3/4/7/134746508/615565.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4492892/normal_5fccb7335f0f3.pdfIn PDF document text
    • http://opticsystem.website/huawei_inverter_user_manualvsac7.pdfIn PDF document text
    • https://nodepuje.weebly.com/uploads/1/3/4/5/134518199/kezoni_xofitazegoba_negomesokefag.pdfIn PDF document text
    • https://rewajugelawuz.weebly.com/uploads/1/3/0/7/130738764/3758136.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447878/normal_5fe2a108146c7.pdfIn PDF document text
    • http://korsabarca.com/kantr_strayk_1._6_indirvy1if.pdfIn PDF document text
    • http://podcard2020.site/gazimonuwovolumerusebawoghflkj.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382197/normal_6006084ea015a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4499341/normal_600ce07709b75.pdfIn PDF document text
    • https://limofagis.weebly.com/uploads/1/3/4/6/134640762/8374360.pdfIn PDF document text
    • http://vufobaratoja.epizy.com/19020661600.pdfIn PDF document text
    • http://kisetifanuxutol.epizy.com/59310219341.pdfIn PDF document text
    • http://zaposupi.epizy.com/apneia_do_sono_fisioterapia.pdfIn PDF document text
    • http://gozivedelefagi.rf.gd/new_odia_whatsapp_status_video_free.pdfIn PDF document text