Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa3511c046c171e7…

MALICIOUS

PDF

52.6 KB Created: 2020-12-21 04:06:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 97466216a8f332b8ddc2fbdc7a04213e SHA-1: 6a9c74c7408a3e5bc35a168ab404f4f1173ab208 SHA-256: aa3511c046c171e7cb1db9b384e2557613bc1717d1c73ed5cf8e1cc22e377981
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. ClamAV detection and ML classification confirm its malicious nature. The document body, though heavily obfuscated, suggests a lure related to 'information technology books'. No scripts were extracted, but the presence of an external URI and the overall detection profile point to a phishing attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5037

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://traffnew.ru/aws?utm_term=book+about+information+technology PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4388835/normal_5fc24641b65c7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380859/normal_5fc187b7b5424.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2c31b66c-8300-43df-b4b4-21b830b59e89/kofiluw.pdfIn PDF document text
    • https://s3.amazonaws.com/jujadodedaruxix/dragon_ball_super_saiyan_games.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1763cea0-d816-42f2-8af0-267e7ba8cc01/23950834513.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a8c3da47-0629-4376-a7b2-9a976d498af8/age_of_consent_for_marriage_in_colorado.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8d9c6f60-58d1-4f19-9f39-1a2c2716a119/harpur_academic_advising_email.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6fec07d6-8445-4ca4-83b5-dbdb63aeb907/kenshi_farming_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2525954d-8f2a-4f09-adf0-c0fea2664b7d/popaguvedopifog.pdfIn PDF document text
    • https://s3.amazonaws.com/xonaxevetaf/bible_for_computer_niv.pdfIn PDF document text

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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