Malicious PDF — malware analysis report

Static analysis result for SHA-256 d219ab4666f3199d…

MALICIOUS

PDF

15.1 KB Created: 2019-04-30 01:59:15 +01:00 Authoring application: mPDF 5.7
MD5: cf85f469a02398e88a878149a26dcdb8 SHA-1: 7365832589abf21d3f8481a511bbf21d3b77018a SHA-256: d219ab4666f3199d327aae74075963e4b4ff9d2e7667490bf0188448c4b68bec
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various book titles hosted on loaminoo.linkpc.net. While the ML classifier flagged this as malicious, the specific intent appears to be SEO manipulation or potentially distributing content from these links. No scripts were extracted, and the document body was unreadable, limiting further analysis of the exact payload.

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/8093091099096098/l-cole-des-maris-by-Holden-Wendy.pdf
    • http://loaminoo.linkpc.net/1097092090091091/The-Full-Monty-by-Wendy-Holden.pdf
    • http://loaminoo.linkpc.net/4096098099096091/Haatchi-amp-Little-B-The-Inspiring-True-Story-of-One-Boy-and-His-Dog-by-Wendy-Holden.pdf
    • http://loaminoo.linkpc.net/4094094098093094/The-Sunday-Night-Book-Club-by-Wendy-Holden.pdf
    • http://loaminoo.linkpc.net/4095098098097094/Farm-Fatale-A-Comedy-of-Country-Manors-by-Wendy-Holden.pdf
    • http://loaminoo.linkpc.net/4092090094090090/Initiation-SSU-Boys-0-5-by-Maris-Black.pdf
    • http://loaminoo.linkpc.net/2095097091097095/Owning-Corey-by-Maris-Black.pdf
    • http://loaminoo.linkpc.net/1092095099099/Chase-the-Dream-by-Maris-Soule.pdf
    • http://loaminoo.linkpc.net/1090095093097093092/Meerm-dchen-Meerjungfrau-ber-Bord-by-Estrella-Maris.pdf
    • http://loaminoo.linkpc.net/1092091098091098/The-Wendy-Tales-of-the-Wendy-1-by-Erin-Michelle-Sky.pdf
    • http://loaminoo.linkpc.net/7092093091097090/Peter-and-Wendy-The-Story-about-Peter-Pan-and-Wendy-Naverland-and-Their-Adventure-by-J-M-Barrie.pdf
    • http://loaminoo.linkpc.net/8098095093095/Story-Of-Cole-Younger-Being-an-Autobiography-of-the-Missouri-Guerrilla-C-Borealis-Books-by-Cole-Younger.pdf
    • http://loaminoo.linkpc.net/1094096094094093/All-of-It-by-Kim-Holden.pdf
    • http://loaminoo.linkpc.net/2096090096095092/The-Red-Heir-by-Holden-R-Johnson.pdf
    • http://loaminoo.linkpc.net/1096097098091090/Gus-Bright-Side-2-by-Kim-Holden.pdf
    • http://loaminoo.linkpc.net/1092090091092093/Three-Imaginary-Boys-by-J-T-Holden.pdf
    • http://loaminoo.linkpc.net/3097096094098090/Skeptic-by-Holden-Scott.pdf
    • http://loaminoo.linkpc.net/3094097093094096/Roughing-It-by-Holden-Wells.pdf
    • http://loaminoo.linkpc.net/8097090090093/Kage-Unmasked-Kage-Trilogy-3-by-Maris-Black.pdf
    • http://loaminoo.linkpc.net/4098093090094094/Kage-Unmasked-Kage-Trilogy-3-by-Maris-Black.pdf
    • http://loaminoo.linkpc.net/7092093091097090/Peter-and-Wendy-The-Story-about-Peter-Pan-and-Wendy-Naverland

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