Malicious PDF — malware analysis report

Static analysis result for SHA-256 7265f6d8b6a6bb12…

MALICIOUS

PDF

17.9 KB Created: 2019-05-04 12:40:40 +01:00 Authoring application: mPDF 5.7
MD5: e565952b7b61b67a324a515ad782d787 SHA-1: ff02353af45dba391a19a917dc1752e38d05a270 SHA-256: 7265f6d8b6a6bb12f3fa93bc71febe9134edb99009c5a4fe2aa2b34c4456fb87
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs, forming a link farm. These URLs are presented as book downloads, likely a lure to direct users to potentially malicious content or to manipulate search engine rankings. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/1090092091094099092/Long-Walk-To-Freedom-Volume-1-1918-1962-by-Nelson-Mandela.pdf
    • http://loaminoo.linkpc.net/3098095095090096/The-Long-Walk-A-Story-of-War-and-the-Life-That-Follows-by-Brian-Castner.pdf
    • http://loaminoo.linkpc.net/6090093099098/Long-Walk-to-Freedom-Autobiography-of-Nelson-Mandela-by-Nelson-Mandela.pdf
    • http://loaminoo.linkpc.net/2097095094098/Henry-s-Freedom-Box-A-True-Story-from-the-Underground-Railroad-by-Ellen-Levine.pdf
    • http://loaminoo.linkpc.net/4094090095099098/Lonek-s-Journey-The-True-Story-of-a-Boy-s-Escape-to-Freedom-by-Dorit-Bader-Whiteman.pdf
    • http://loaminoo.linkpc.net/1098095099093098/Escape-from-Slavery-The-True-Story-of-My-Ten-Years-in-Captivity-and-My-Journey-to-Freedom-in-America-by-Francis-Bok.pdf
    • http://loaminoo.linkpc.net/3095095092094091/Etched-in-Sand-A-True-Story-of-Five-Siblings-Who-Survived-an-Unspeakable-Childhood-on-Long-Island-by-Regina-Calcaterra.pdf
    • http://loaminoo.linkpc.net/2096097095097090/A-Free-Woman-on-God-s-Earth-The-True-Story-of-Elizabeth-quot-mumbet-quot-Freeman-the-Slave-Who-Won-Her-Freedom-by-Jana-Laiz.pdf
    • http://loaminoo.linkpc.net/5099096095092/A-Long-Long-Time-Ago-and-Essentially-True-by-Brigid-Pasulka.pdf
    • http://loaminoo.linkpc.net/2096090092095097/The-Long-Walk-by-Richard-Bachman.pdf
    • http://loaminoo.linkpc.net/1096095099091092/A-Long-Trek-Home-4-000-Miles-by-Boot-Raft-and-Ski-by-Erin-Mckittrick.pdf
    • http://loaminoo.linkpc.net/2094092091091/Long-Walk-to-Valhalla-by-Adam-Smith.pdf
    • http://loaminoo.linkpc.net/4098099095095097/Billy-Lynn-s-Long-Halftime-Walk-by-Ben-Fountain.pdf
    • http://loaminoo.linkpc.net/4091094098095094/Billy-Lynn-s-Long-Halftime-Walk-by-Ben-Fountain.pdf
    • http://loaminoo.linkpc.net/4098098090093093/Billy-Lynn-s-Long-Halftime-Walk-by-Ben-Fountain.pdf
    • http://loaminoo.linkpc.net/2091094098092090/Billy-Lynn-s-Long-Halftime-Walk-by-Ben-Fountain.pdf
    • http://loaminoo.linkpc.net/2095097090092099/Moses-and-the-Long-Walk---Arch-Books-by-Joanne-Bader.pdf
    • http://loaminoo.linkpc.net/9095095093098095/A-Long-Walk-Up-the-Water-Slide-Neal-Carey-4-by-Don-Winslow.pdf
    • http://loaminoo.linkpc.net/2092094095096094/Dougal-and-Bumble-and-the-Long-Walk-Home-by-Matt-Dray.pdf
    • http://loaminoo.linkpc.net/3091093097098096/The-Secret-Science-Behind-Miracles-by-Max-Freedom-Long.pdf

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