Malicious PDF — malware analysis report

Static analysis result for SHA-256 46291a1da3ba71a5…

MALICIOUS

PDF

11.9 KB Created: 2019-04-30 10:53:56 +01:00 Authoring application: mPDF 5.7
MD5: 03693bb37200b93c76b176369ac44778 SHA-1: 8a2325f7a6ba064fe69cc55ec598887701298e1c SHA-256: 46291a1da3ba71a58624163da76112c1928b1ebaa522db7464aab8248a45d250
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded URLs, forming a link farm. The primary heuristic indicates this is a PDF SEO link farm, suggesting the document's purpose is to drive traffic to these external links. While the URLs themselves are marked as benign, the sheer volume and the nature of the heuristic suggest a malicious intent to potentially lead users to harmful content or exploit kits through these links. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8737

Heuristics 2

  • 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.
  • 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://loaminoo.linkpc.net/5095096093096/xxxHolic-Vol-18-xxxHOLiC-18-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/4095096091099/xxxHolic-Vol-2-xxxHOLiC-2-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/4097095091094/xxxHolic-Vol-9-xxxHOLiC-9-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/3098098096095/xxxHolic-Vol-6-xxxHOLiC-6-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/2092098096097096/xxxHolic-Vol-19-xxxHOLiC-19-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/2097097092097096/xxxHOLiC-Rei-Vol-2-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/3098094098096090/Clamp-No-Kiseki-Volume-2-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/2093096091097094/Clamp-School-Detectives-Vol-01-CLAMP-School-Detectives-1-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/4091093099097091/Wish-Vol-02-Wish-2-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/7094097095090/Chobits-Vol-3-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/7092096098091096/RG-Veda-Vol-02-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/7097091090092/Chobits-Vol-8-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/2097096097090090/The-One-I-Love-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/4091098099099091/RG-Veda-Vol-01-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/7093098097096/Chobits-Vol-2-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/7098094090096/Chobits-Vol-7-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/4090095096099098/Chobits-Omnibus-2-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/2091092092099092/Miss-Mrs-or-Ms-by-Paula-Clamp.pdf
    • http://loaminoo.linkpc.net/1091093097093099091/Tokyo-Babylon-Vol-4-by-CLAMP.pdf
    • http://loaminoo.linkpc.net/4091092099099099/Chobits-Boxed-Set-by-CLAMP.pdf

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