Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e879307b6109fcf…

MALICIOUS

PDF

57.2 KB Created: 2021-03-27 20:26:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: eec166359353260612683e19cf36b88e SHA-1: e3033bf30f6c0950147eca31bf089f0066c12b7d SHA-256: 7e879307b6109fcf73b19c8665a4d29c2cb469ae6ff70823bd8168f4489e63de
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical for phishing or malware distribution. It contains numerous external links, including a primary link to 'dugedepap.ru' which likely serves as a landing page for a malicious campaign. The presence of ClamAV and ML heuristic firings further supports its malicious classification. No scripts were extracted, but the structure suggests it's designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7232

Heuristics 5

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 57 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://dugedepap.ru/award?keyword=online+adobe+acrobat+pdf+editor+free
    • https://rexujebi.weebly.com/uploads/1/3/4/6/134688829/jokawezomupifupotuv.pdf
    • https://xukarujejoxa.weebly.com/uploads/1/3/4/5/134597636/33b5438868.pdf
    • https://mijugojibuva.weebly.com/uploads/1/3/1/4/131482988/pubugadezosedexawa.pdf
    • https://static.s123-cdn-static.com/uploads/4379491/normal_5ff91a0ba8449.pdf
    • https://cdn.sqhk.co/segidexu/jgihaal/4574807920.pdf
    • https://mofalapew.weebly.com/uploads/1/3/4/3/134307760/dumofenefi.pdf
    • https://pinowutofabu.weebly.com/uploads/1/3/4/7/134763632/53054.pdf
    • https://cdn-cms.f-static.net/uploads/4458849/normal_60544d8b31362.pdf
    • https://cdn-cms.f-static.net/uploads/4476564/normal_602664ca199d9.pdf
    • https://cdn.sqhk.co/bujasugawo/33Mggxl/vegan_sandwich_bread_recipe_no_yeast.pdf
    • https://tonavamajarow.weebly.com/uploads/1/3/4/6/134694337/kekajuf_bafiraletup.pdf
    • https://zumusikibalagop.weebly.com/uploads/1/3/4/0/134096359/wupowedarikano-pofitixoxow-pimofidatot-jerovimawu.pdf
    • https://static.s123-cdn-static.com/uploads/4377674/normal_5fe109ac145d9.pdf
    • https://tumunuwixa.weebly.com/uploads/1/3/1/3/131384432/4be8124393f07d.pdf
    • https://cdn-cms.f-static.net/uploads/4390328/normal_5fd0b8ea590d4.pdf
    • https://fogorito.weebly.com/uploads/1/3/5/3/135322632/peterenexuwal.pdf
    • https://cdn.sqhk.co/woberimi/hcZRiai/bitudumunen.pdf
    • https://cdn-cms.f-static.net/uploads/4367922/normal_603f5d1a747b2.pdf
    • https://cdn-cms.f-static.net/uploads/4475999/normal_604646bbdd723.pdf
    • https://cdn.sqhk.co/womawuxinuge/SEhhhh1/bloons_tower_defense_5_unblocked_ninja_kiwi.pdf
    • https://lutatodu.weebly.com/uploads/1/3/4/6/134697406/risipojen.pdf
    • https://uploads.strikinglycdn.com/files/e3e0a0d4-d355-45eb-8dc4-2b8c3c4e3c39/kayla_bbg_2.0_download.pdf
    • https://uploads.strikinglycdn.com/files/50ae7984-5405-4a65-b596-ad8f62e8be6e/mushoku_tensei_eris_mother.pdf
    • https://uploads.strikinglycdn.com/files/a2eb8833-0b58-44c4-9dd9-081bf5cf0876/zikevogifuvuf.pdf
    • https://uploads.strikinglycdn.com/files/44e3cc3d-704e-498d-8af0-11d41641a143/pasidatuj.pdf
    • https://uploads.strikinglycdn.com/files/6187d5d8-9d23-4482-be20-f0a96075a9a9/how_long_to_cook_sweet_potatoes_in_ninja_air_fryer.pdf