Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c7bf8e9032f26ad…

MALICIOUS

PDF

29.1 KB Created: 2020-04-12 04:11:03 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7da778f7680f0c1321d2eda2a4596a56 SHA-1: d08b525fbf5ed49a7e62060b5fe657a06d488aef SHA-256: 3c7bf8e9032f26ad826f126321bc2c4196452842a105a7db04f0187092234675
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, many of which are dynamically generated and point to unrelated domains, indicating a link farm or SEO abuse tactic. The document body itself contains a deceptive lure for "piano lesson videos for beginners" and an embedded URL, suggesting a phishing or social engineering attempt to drive traffic to malicious sites. No scripts were extracted from this sample.

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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 http://stellarroofing.ca/uploads/1/3/1/4/131452923/131452923.html#download+piano+lesson+videos+for+beginners
    • http://doctormelona.com/uploads/1/3/1/1/131164020/lojijiw-sirekes-zitugatas-wotuki.pdf
    • http://aryadnamusic.net/uploads/1/3/0/6/130639682/b5905cd9105c1.pdf
    • http://whipplecreekpathfinders.com/uploads/1/3/0/6/130621033/kudurobefagoru-xajaropunon-zamuvug.pdf
    • http://losadaspins.com/uploads/1/3/0/4/130492771/2649181.pdf
    • http://pizzeria-sete.com/uploads/1/3/0/8/130874391/078b4e59a.pdf
    • http://fitzcocapitalinc.com/uploads/1/3/0/6/130620279/kewekumubipat_sugozedidutub_kutivejidaxoge.pdf
    • http://sugarplumdanceschool.com/uploads/1/3/1/3/131398286/golekekap-nikoso-rododarelenab-rinefefavapuxa.pdf
    • http://caledoniabusinessservicesllc.com/uploads/1/3/0/5/130551257/zuxep.pdf
    • http://floridaborncompany.com/uploads/1/3/0/5/130543543/bulidivipurodu.pdf

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