Malicious PDF — malware analysis report

Static analysis result for SHA-256 69364ab85b304e4b…

MALICIOUS

PDF

66.7 KB Created: 2021-06-02 00:23:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: cedd9c9456f56e13fa84b569c395aef3 SHA-1: 7bb7bcaf754585366523f160bf782e0fddfd83a7 SHA-256: 69364ab85b304e4bfa302e662d23c037b49a50bbfc4a3e47f2874865514a6327
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is identified as malicious by ClamAV and an ML classifier. It employs a common phishing tactic by presenting an image-only lure, typical of a screenshot, to entice users to click on an embedded URI. The primary URI, https://medvor.ru/pbw?utm_term=matlab+line+comment+out, is flagged as suspicious and likely leads to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7581

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
  • 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 66 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://medvor.ru/pbw?utm_term=matlab+line+comment+out
    • https://cdn-cms.f-static.net/uploads/4407807/normal_602116ba33666.pdf
    • https://static.s123-cdn-static.com/uploads/4492901/normal_5fc9336899326.pdf
    • https://static.s123-cdn-static.com/uploads/4374024/normal_5fe4e79a28bbd.pdf
    • https://cdn-cms.f-static.net/uploads/4385634/normal_5fd84c547ddaf.pdf
    • https://cdn-cms.f-static.net/uploads/4445737/normal_6021f17ab309f.pdf
    • https://static.s123-cdn-static.com/uploads/4383698/normal_5fec9c7af33bd.pdf
    • https://cdn-cms.f-static.net/uploads/4501995/normal_605c3f697ab45.pdf
    • https://cdn-cms.f-static.net/uploads/4463788/normal_60607c1ce3ead.pdf
    • http://foziwedugumu.pbworks.com/w/file/fetch/144432636/how_hard_is_the_padi_open_water_test.pdf
    • http://jesababa.pbworks.com/w/file/fetch/144425154/85575134251.pdf
    • http://padimagofo.pbworks.com/w/file/fetch/144480654/4284991198.pdf
    • http://midevodimu.pbworks.com/f/rubberhose_free_download_mac.pdf
    • https://uploads.strikinglycdn.com/files/29ac0708-fb37-4a91-9d79-ea2b69df6be1/nanda_nursing_diagnosis_handbook.pdf
    • http://jopamedet.pbworks.com/w/file/fetch/144479967/how_to_reset_a_google_locked_phone.pdf
    • https://uploads.strikinglycdn.com/files/9fb41591-68de-44ee-8274-b31e2b8e2db1/lakshmi_narasimha_swamy_karavalamba_stotram_lyrics_in_telugu.pdf

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