Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8042e1805934e9e…

MALICIOUS

PDF

39.4 KB Created: 2021-03-13 15:49:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5fe8eab53bb995c1b68a1425952c336b SHA-1: b805360747c7fd83cc0b4d5431125c49bd69906d SHA-256: c8042e1805934e9ee271207a824ea7285c9379761b704169a77bf52eca16ccf7
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its image-only nature and embedded clickable link. The primary URL, https://xajibur.ru/award?keyword=winning+scholarship+essay+examples+pdf, is suspicious and likely leads to a malicious site. ClamAV detection and ML classification further support its malicious nature, indicating it's likely a trojan dropper.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8477

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 39 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://xajibur.ru/award?keyword=winning+scholarship+essay+examples+pdf
    • https://cdn.sqhk.co/tozerutiwezu/dibtmly/didi_food_delivery_brazil.pdf
    • https://cdn.sqhk.co/kajipazuto/i5ih7hj/91135954353.pdf
    • https://cdn.sqhk.co/rufosopufu/ijdgejh/48118489275.pdf
    • https://gikanusubidi.weebly.com/uploads/1/3/4/7/134756500/c9d9789.pdf
    • http://xteenware.online/21609979417p5cj.pdf
    • http://temilops.xyz/kavijegsqn2t.pdf
    • http://fb-pageunderreview.com/934605054782kggc.pdf
    • https://cdn.sqhk.co/vitimosugu/ij6cv1q/colour_switch_fortnite_map_code.pdf
    • http://matras-24.ru/how_to_change_battery_in_kidde_kn-cosm-ibaghj1q.pdf
    • https://zokaduxenatased.weebly.com/uploads/1/3/1/6/131637020/3080579.pdf
    • http://mists.space/sonawyvq9k.pdf
    • https://cdn.sqhk.co/nowonipewo/ijdRSjh/tosakav.pdf
    • http://constructionhouse.info/503004508279at79.pdf
    • https://69b3109a-7cce-4514-9193-d2106d9976ab.filesusr.com/ugd/3c2969_68b2f0e1061f4ca5ba29f57e095f19d5.pdf?index=true
    • https://uploads.strikinglycdn.com/files/5ebfa977-7528-4c60-97b6-c5ed1519b168/honda_hr215_transmission_fluid.pdf
    • https://uploads.strikinglycdn.com/files/250474f2-36a7-4283-a3e8-c5088da4f889/cfa_syllabus_level_3.pdf
    • https://uploads.strikinglycdn.com/files/f384b9f0-11bb-4eb2-a7cc-df553c0b3973/tejusin.pdf
    • https://4454cc88-256b-48ad-9013-c0414c72072d.filesusr.com/ugd/67e251_b97142784c0b468cb81d55aeeab6f7c2.pdf?index=true

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