Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c2acb9161f40374…

MALICIOUS

PDF

13.1 KB Created: 2019-05-07 03:21:20 +01:00 Authoring application: mPDF 5.7
MD5: 8575f3b98c38d4aa581d543584d64119 SHA-1: af17df079cfa712d886005129281c62b97961382 SHA-256: 7c2acb9161f403748d01de15ce8481a05e9878530dd7118e5943efb3f6c3de77
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, many of which point to book titles, suggesting a link farm designed to attract users. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the PDF structure itself facilitates the distribution of links, potentially leading to further malicious content or downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9006

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/5097093093099/Blood-Trail-Joe-Pickett-8-by-C-J-Box.pdf
    • http://loaminoo.linkpc.net/4095095095091098/Trail-of-Blood-Loner-by-J-A-Johnstone.pdf
    • http://loaminoo.linkpc.net/5099095092093099/Who-Was-Dracula-Bram-Stoker-s-Trail-of-Blood-by-Jim-Steinmeyer.pdf
    • http://loaminoo.linkpc.net/2096093096092090/The-Blood-Trail-Dardian-Dreshaj-3-by-Shelley-Young.pdf
    • http://loaminoo.linkpc.net/3098099099091099/Trail-Of-Blood-Theresa-MacLean-3-by-Lisa-Black.pdf
    • http://loaminoo.linkpc.net/1098091097095/Trail-of-Hope-Story-of-the-Mormon-Trail-by-William-W-Slaughter.pdf
    • http://loaminoo.linkpc.net/3095092096093097/Trail-of-Hope-Hot-on-the-Trail-2-by-Merry-Farmer.pdf
    • http://loaminoo.linkpc.net/3095092096093093/Trail-of-Kisses-Hot-on-the-Trail-1-by-Merry-Farmer.pdf
    • http://loaminoo.linkpc.net/1091094098098096/Below-Zero-Joe-Pickett-9-by-C-J-Box.pdf
    • http://loaminoo.linkpc.net/4091096095099/Sideways-by-Rex-Pickett.pdf
    • http://loaminoo.linkpc.net/3097097099092091/Endangered-Joe-Pickett-15-by-C-J-Box.pdf
    • http://loaminoo.linkpc.net/7097090096/The-Disappeared-A-Joe-Pickett-Novel-by-C-J-Box.pdf
    • http://loaminoo.linkpc.net/2098099098/Off-The-Grid-Joe-Pickett-16-by-C-J-Box.pdf
    • http://loaminoo.linkpc.net/2095099095096093/Stone-Cold-Joe-Pickett-14-by-C-J-Box.pdf
    • http://loaminoo.linkpc.net/1097090092097/Open-Season-Joe-Pickett-1-by-C-J-Box.pdf
    • http://loaminoo.linkpc.net/2098095092094098/Trail-of-the-Raven-Haiti-Trail-of-the-Raven-1-by-Chip-Davis.pdf
    • http://loaminoo.linkpc.net/4091092095091095/Unspeakable-Freedom-1-by-Michelle-K-Pickett.pdf
    • http://loaminoo.linkpc.net/3099098092091096/The-Innocent-Milayna-3-by-Michelle-K-Pickett.pdf
    • http://loaminoo.linkpc.net/7097093091090096/The-Final-Report-of-Arlen-Pickett-by-Jackie-Pavlenko.pdf
    • http://loaminoo.linkpc.net/1091099092093097098/Too-Hot-to-Handel-John-Pickett-Mysteries-5-by-Sheri-Cobb-South.pdf

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