Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7a5f93d219847b0…

MALICIOUS

PDF

40.8 KB Created: 2021-03-11 17:06:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 53a4f5158336e5096536fdc2d6d9c854 SHA-1: bb6eb5e67a9e44b927b60bebd806210f17b88cf8 SHA-256: a7a5f93d219847b0bc3ff243462836798ac78c0ff5cb3f481c8a44f52591af17
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical for phishing campaigns. It contains an embedded URI pointing to a suspicious domain, which is likely used to deliver a malicious payload or redirect to a phishing site. The ClamAV detection and ML classifier further support its malicious nature. No scripts were extracted, but the overall structure and embedded URL suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8166

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 40 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://crophysi.ru/award?keyword=car+wash+business+plan+in+nigeria+pdf
    • http://trend-sales.fun/numijuvomezpclxv.pdf
    • http://moresukko.ru/samsung_un55js8500fxza_specszdl33.pdf
    • https://cdn-cms.f-static.net/uploads/4453142/normal_601166b237ded.pdf
    • http://grinallex.shop/valores_y_antivaloresfzj77.pdf
    • https://static.s123-cdn-static.com/uploads/4484363/normal_5fd05195ec045.pdf
    • http://electorat.org/45112491166f625k.pdf
    • http://formblckr1.xyz/7338933510rrtcq.pdf
    • http://medicinfo.online/70819316531ygjvg.pdf
    • http://devgm.design/92601532328sijd4.pdf
    • https://uploads.strikinglycdn.com/files/e97aed48-0fc7-464a-975a-4d92a4109f38/zulutubesosexelavu.pdf
    • https://d1897088-ef6e-4b60-8303-910b4b551fc1.filesusr.com/ugd/4cfbbd_a8299bc0f1ff46c1966e00909fa426f5.pdf?index=true
    • https://b9a4c3d6-4ccf-4d04-9b0f-c2e9c357e15d.filesusr.com/ugd/e5cbe5_f43600bb429c4ab48008a3af6bce1a40.pdf?index=true
    • https://uploads.strikinglycdn.com/files/be81a53c-9b59-4d54-a034-45b4162a5a7e/gojedimafesojozij.pdf
    • https://uploads.strikinglycdn.com/files/3ad189e5-a83c-4085-b97f-93177a231ee0/2002_jeep_wrangler_accessories_catalog.pdf
    • https://uploads.strikinglycdn.com/files/72b6fe53-9445-4c2e-a7ad-2fa566c8022b/vizio_e550i-b2_main_board.pdf
    • http://xuxalonitu.onlinewebshop.net/49797841399.pdf
    • https://d3826037-6016-486c-99e9-dc41bc666644.filesusr.com/ugd/b81754_b06165d4620e4d2e983a7fcfe7497c01.pdf?index=true
    • http://rupesujutiwu.myartsonline.com/how_to_draw_trees_with_pen.pdf

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