Malicious PDF — malware analysis report

Static analysis result for SHA-256 6750f39ccb8acfbb…

MALICIOUS

PDF

15.1 KB Created: 2019-05-07 06:05:38 +01:00 Authoring application: mPDF 5.7
MD5: bffaf553a0ff107b72ab37235b415fd3 SHA-1: 7fe4e681c13a8307cf0583ee0245e3f497b6b23a SHA-256: 6750f39ccb8acfbb65cb26d12abaa2bfcc2a6137d0e12c96c8ab2a3fb2825124
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a link farm. While the document body is heavily obfuscated, the heuristic 'PDF_SEO_LINK_FARM' indicates the primary purpose is to direct users to external URLs. The ML classifier also flagged this PDF as malicious. The embedded links likely serve to distribute further malware or lead to phishing sites.

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

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