Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf53d68622be6ac7…

MALICIOUS

PDF

17.0 KB Created: 2019-04-28 08:43:12 +01:00 Authoring application: mPDF 5.7
MD5: d0185f7114efe5df32ecbcbc0d4d6ee4 SHA-1: bcaff4f25b4d527f07a015d74c90206924bcdfe5 SHA-256: cf53d68622be6ac783ae9d1c05f1e2dbd29a9cb77b8ac9fe9b45bea93441283f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, identified as a 'PDF_SEO_LINK_FARM' heuristic. These links predominantly point to the 'loaminoo.linkpc.net' domain, suggesting an attempt to manipulate search engine results or distribute content. The ML classifier also strongly flagged this PDF as malicious.

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/4092097091091096/Queen-Elizabeth-s-Daughter-A-Novel-of-Elizabeth-I-by-Anne-Clinard-Barnhill.pdf
    • http://loaminoo.linkpc.net/2095096092093098/The-Temptation-of-Elizabeth-Tudor-Elizabeth-I-Thomas-Seymour-and-the-Making-of-a-Virgin-Queen-by-Elizabeth-Norton.pdf
    • http://loaminoo.linkpc.net/3093099095098091/Elizabeth-the-Queen-The-Lady-Elizabeth-by-Alison-Weir.pdf
    • http://loaminoo.linkpc.net/1097098097097093/Counting-One-s-Blessings-The-Selected-Letters-of-Queen-Elizabeth-the-Queen-Mother-by-William-Shawcross.pdf
    • http://loaminoo.linkpc.net/4090093095095093/Five-Gold-Rings-A-Royal-Wedding-Souvenir-Album-from-Queen-Victoria-to-Queen-Elizabeth-II-by-Jane-Roberts.pdf
    • http://loaminoo.linkpc.net/1099098099096092/Dear-Daughter-by-Elizabeth-Little.pdf
    • http://loaminoo.linkpc.net/8098090098099/Queen-Elizabeth-I-by-J-E-Neale.pdf
    • http://loaminoo.linkpc.net/2090099096092/The-Traitor-s-Daughter-by-Elizabeth-Powell.pdf
    • http://loaminoo.linkpc.net/5098098091092/Elizabeth-Queen-of-the-Seas-by-Lynne-Cox.pdf
    • http://loaminoo.linkpc.net/2095099092098091/Queen-s-Gambit-by-Elizabeth-Fremantle.pdf
    • http://loaminoo.linkpc.net/8092097094097095/Queen-Victoria-by-Elizabeth-Longford.pdf
    • http://loaminoo.linkpc.net/2091093090093094/The-Marsh-King-s-Daughter-by-Elizabeth-Chadwick.pdf
    • http://loaminoo.linkpc.net/5097090095098/The-Marsh-King-s-Daughter-by-Elizabeth-Chadwick.pdf
    • http://loaminoo.linkpc.net/3098093098098097/The-Counter-Tenor-s-Daughter-by-Elizabeth-Falconer.pdf
    • http://loaminoo.linkpc.net/4099096090090091/Queen-of-the-Loch-by-Elizabeth-Delana-Rosa.pdf
    • http://loaminoo.linkpc.net/1095096095096097/Sheepfarmer-s-Daughter-The-Deed-of-Paksenarrion-1-by-Elizabeth-Moon.pdf
    • http://loaminoo.linkpc.net/1092095092090099/Dancer-Daughter-Traitor-Spy-Dukovskaya-1-by-Elizabeth-Kiem.pdf
    • http://loaminoo.linkpc.net/3093099095098098/Queen-Elizabeth-and-the-Spanish-Armada-by-Frances-Winwar.pdf
    • http://loaminoo.linkpc.net/3094090091094097/Elizabeth-of-York-The-Forgotten-Tudor-Queen-by-Amy-Licence.pdf
    • http://loaminoo.linkpc.net/4094096094092098/Queen-Elizabeth-s-Wardrobe-Unlock-d-by-Janet-Arnold.pdf
    • http://loaminoo.linkpc.net/4090093095095093/Five-Gold-Rings-A-Royal-Wedding-Souvenir-Album-f

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