Malicious PDF — malware analysis report

Static analysis result for SHA-256 822c40af286cc570…

MALICIOUS

PDF

38.7 KB Created: 2021-09-25 13:01:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-26
MD5: 7c2d128958642d6036b538a08657449f SHA-1: 79fd38bf73b2ada07ad5c2118b1f1fdf0dc17032 SHA-256: 822c40af286cc5701e11e577eea243c41f4818996e505a2c1b76b5f2cc7849ec
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, a common tactic for phishing or malware delivery. It contains a clickable external URI that likely leads to a malicious resource. The ClamAV detection and ML classifier further support its malicious nature, indicating it's a phishing trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6936

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 38 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://crewmak.ru/uplcv?utm_term=multynet+led+39+inch+price+in+pakistan PDF link annotation
    • http://sattosushi.com/uploads/files/xaxuragisiluwebajate.pdfIn PDF document text
    • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16139c6e61772c---54871311447.pdfIn PDF document text
    • https://ladangmimpi2.com/contents/files/52269392142.pdfIn PDF document text
    • http://puzynowska-kancelaria.com/userfiles/file/sunir.pdfIn PDF document text
    • http://emachn.com/data/attachment/file/12549310054.pdfIn PDF document text
    • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0fd0211a4---zutukavafedat.pdfIn PDF document text
    • http://pscworld.eu/ckfinder/userfiles/files/8668565287.pdfIn PDF document text
    • https://citronixdeflection.com/nbloom/fckuploads/file/21128066083.pdfIn PDF document text
    • http://ranfeng.com/userfiles/file/2021-9///20219202256331913.pdfIn PDF document text
    • http://www.gunyagder.org.tIn PDF document text

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