Malicious PDF — malware analysis report

Static analysis result for SHA-256 91a0e1819be788c6…

MALICIOUS

PDF

53.0 KB Created: 2021-06-01 09:49:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f9ce3c43659782549129173a3a24ece6 SHA-1: 89fd3ca9b846a73a133bb94593da814d2805e8fa SHA-256: 91a0e1819be788c6ed03a5298719b02de266c34d8d9459e90c3de57fecdca93b
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document identified as malicious by ML classifiers and ClamAV. It contains an embedded URI pointing to 'garglob.ru', which is likely part of a phishing or credential harvesting attempt. The document body, though heavily obfuscated, suggests an educational context, which is a common lure for phishing campaigns.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7585

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://garglob.ru/pbw?utm_term=cambridge+checkpoint+science+coursebook+3
    • https://cdn-cms.f-static.net/uploads/4414487/normal_602128ab31923.pdf
    • https://static.s123-cdn-static-d.com/uploads/4488346/normal_60b56ab373c88.pdf
    • https://cdn-cms.f-static.net/uploads/4373243/normal_600dd2b76d6de.pdf
    • https://cdn-cms.f-static.net/uploads/4372358/normal_606cd3260d6e2.pdf
    • https://static.s123-cdn-static.com/uploads/4415519/normal_600356c0efd9d.pdf
    • https://uploads.strikinglycdn.com/files/a3a02c88-6295-4e4b-93e9-05cec80c5ed1/dojidid.pdf
    • https://uploads.strikinglycdn.com/files/a3a894ea-32a2-4bc5-b797-9a16a32d041b/xuzinemos.pdf
    • https://uploads.strikinglycdn.com/files/5c1aa000-9212-47d6-a542-8adee8b8245a/persepolis_free_online.pdf
    • https://uploads.strikinglycdn.com/files/a6a6b39b-3e23-47fa-87e8-b6a640c7fc6b/colson_whitehead_underground_railroad.pdf
    • https://uploads.strikinglycdn.com/files/effc39bb-3774-483d-a498-2469a3ae9bfb/best_crossfit_wod_bar.pdf
    • http://fodorafirig.pbworks.com/f/pink_floyd_atom_heart_mother_sheet_music.pdf
    • https://uploads.strikinglycdn.com/files/f3f457c8-1c63-4141-8dbd-76128b90652d/irritrol_controller_rd_600_manual.pdf
    • https://uploads.strikinglycdn.com/files/62f960f6-d0f3-4b90-8c81-52111d775f65/extremely_faint_line_on_blue_dye_pregnancy_test.pdf
    • https://uploads.strikinglycdn.com/files/46b154fd-7db2-41ba-9cf2-838429d0c63b/51283841167.pdf
    • https://uploads.strikinglycdn.com/files/2bcc84c5-e584-40a3-93eb-982fc081d55b/judujetudadatolopanipojam.pdf
    • https://uploads.strikinglycdn.com/files/0cf87914-0516-4f5a-9902-adff4f080c44/velegopotemojipes.pdf
    • https://uploads.strikinglycdn.com/files/55ffeab5-225a-4b62-b770-bae579b89231/97185470081.pdf
    • http://gosirata.pbworks.com/w/file/fetch/144443517/67601015156.pdf
    • http://foziwedugumu.pbworks.com/w/file/fetch/144448959/48803754019.pdf
    • https://uploads.strikinglycdn.com/files/4a072988-fdb7-4d94-812b-73aa589bc261/fodegexar.pdf
    • https://uploads.strikinglycdn.com/files/5a399c35-f5dd-4e4e-8eca-1404694cd03b/77332919083.pdf

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