Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e61ebfdcd38c848…

MALICIOUS

PDF

54.0 KB Created: 2021-03-01 09:15:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14
MD5: ae604b014dd2e08b513c7b98a23bbefd SHA-1: 06b28c9b603b109c3ea0ff0898af81bc7ab7b8e6 SHA-256: 2e61ebfdcd38c8487b31fb5e0f768982d1446942186d8abdafb9e1adc8884628
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs pointing to disposable domains and link farms, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are consistent with techniques used to redirect users to malicious sites, potentially for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5806

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://lozipotod.ru/award?keyword=how+much+is+bbg+a+month PDF link annotation
    • https://puliwive.weebly.com/uploads/1/3/4/6/134660228/rubezafuxomoro.pdfIn PDF document text
    • http://adyga.site/21000912221780nq.pdfIn PDF document text
    • http://pedrons.space/renikolivaaggzs.pdfIn PDF document text
    • https://ragixadimeruwu.weebly.com/uploads/1/3/4/8/134897014/dogifudu.pdfIn PDF document text
    • http://poroda.site/nakokikejodejufafaxugelab18f.pdfIn PDF document text
    • https://basosogufu.weebly.com/uploads/1/3/4/6/134682995/luwitip-nenebif-terulogakeku.pdfIn PDF document text
    • http://itfamily.info/chapter_6_financial_accounting_solutionsd448y.pdfIn PDF document text
    • http://goodsun.space/81526796888y6ity.pdfIn PDF document text
    • http://shishkin-seed.xyz/spider_man_ps4_suits_guidehz6f1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408584/normal_5fd26908b0291.pdfIn PDF document text
    • http://urro-hu.com/tamil_amman_imagesbwsfu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454184/normal_601ccd48df827.pdfIn PDF document text
    • http://zakizil.rf.gd/55633336859.pdfIn PDF document text
    • http://tapewiwesumufug.epizy.com/coloring_sheet_unicorn.pdfIn PDF document text
    • http://gigivixegaxun.epizy.com/yooka_laylee_impossible_lair_achievement_guide.pdfIn PDF document text
    • http://jefebewo.epizy.com/be_civil_engineering_books.pdfIn PDF document text

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