Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e30882d81567fef…

MALICIOUS

PDF

14.2 KB Created: 2019-05-07 02:47:47 +01:00 Authoring application: mPDF 5.7
MD5: 7a5cbf8615459b098f5b902600ec4fd7 SHA-1: 8b0f0e3e17617da287bf1daf596324a4141b131b SHA-256: 6e30882d81567fef37a7cb46cfdf3e20cafb062acbed99c9ba09eff14e0def9e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs, many of which are numeric slugs pointing to external PDF files. This behavior is indicative of a link farm, likely used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious, supporting the suspicious nature of the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/1096099099096090/Badass-Hell-Yeah-5-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/1097091097094098/Burning-Love-Hell-Yeah-Cajun-Style-1-Hell-Yeah-6-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/2090092095095093/Finding-Dandi-Hell-Yeah-Cajun-Style-3-Hell-Yeah-9-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/3098094093094092/Hot-On-Her-Trail-Hell-Yeah-2-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/2090092093094095/Forget-Me-Never-Hell-Yeah-7-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/1092093094096096/Hot-on-Her-Trail-Hell-Yeah-2-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/2090092096091096/How-to-Rope-a-McCoy-Hell-Yeah-15-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/2090092095095099/Skye-Blue-Hell-Yeah-10-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/2090092095097090/True-Love-s-Fire-A-Red-Hot-Valentine-Story-Hell-Yeah-12-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/4099096092096097/Yeah-Yeah-Yeah-The-Story-of-Pop-Music-from-Bill-Haley-to-Beyonc-by-Bob-Stanley.pdf
    • http://loaminoo.linkpc.net/3096094095096095/Badass-In-My-Bed-Badass-3-Badass-In-My-Bed-3-by-Rae-Lynn-Blaise.pdf
    • http://loaminoo.linkpc.net/3092096093090093/Godsend-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/6097094094093094/Badass-Jones-Foul-Mouthed-Zombie-Hunter-The-Taxman-by-Thom-Bruning.pdf
    • http://loaminoo.linkpc.net/3094095096091099/T-R-O-U-B-L-E-Texas-Heat-1-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/1098094096095094/Love-s-Magic-Spell-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/1098094096095097/Sweet-Evangeline-Moon-Magic-2-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/8099097093091/Scarlet-Fever-Hill-Country-Heart-2-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/1097091097093099/Unchained-Melody-Hill-Country-Heart-1-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/8093092096093098/Saddle-and-a-Siren-Hell-Yeah-Heroes-in-the-Saddle-3-by-Randi-Alexander.pdf
    • http://loaminoo.linkpc.net/2093090092091099/Texas-C-H-A-O-S-Texas-Heroes-2-by-Sable-Hunter.pdf

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