Malicious PDF — malware analysis report

Static analysis result for SHA-256 7002d26934c37df3…

MALICIOUS

PDF

13.7 KB Created: 2019-04-30 04:53:23 +01:00 Authoring application: mPDF 5.7
MD5: f1dd93dacfa3af872dcc64a6d6ff0b6d SHA-1: 395e581997ef7325cecbda9e69518718ab10eebd SHA-256: 7002d26934c37df30b98d3817c5da6ce442c736047dbf7717d95e2024c988f4f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by a machine learning classifier and contains a large number of embedded external links, characteristic of a link farm or SEO poisoning attack. While the document body and extracted URLs appear to link to benign book titles, the sheer volume and the heuristic firing indicate a malicious intent to lure users to potentially harmful sites. No scripts were extracted from this sample, but the structure suggests an attempt to leverage external resources for malicious purposes.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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/1094099091090098/The-Tudor-Heresy-The-Tudor-Mystery-Trials-0-5-by-Samantha-Burnell.pdf
    • http://loaminoo.linkpc.net/2096093099091098/How-To-Be-a-Tudor-A-Dawn-to-Dusk-Guide-to-Tudor-Life-by-Ruth-Goodman.pdf
    • http://loaminoo.linkpc.net/3093099092092094/Plantagenet-Princess-Tudor-Queen-The-Story-of-Elizabeth-of-York-by-Samantha-Wilcoxson.pdf
    • http://loaminoo.linkpc.net/8098097092098099/Six-Tudor-Queens-Writing-a-New-Story-Six-Tudor-Queens-0-1-by-Alison-Weir.pdf
    • http://loaminoo.linkpc.net/3095098092096091/The-Chalk-Man-by-C-J-Tudor.pdf
    • http://loaminoo.linkpc.net/9094098091091098/The-Chalk-Man-by-C-J-Tudor.pdf
    • http://loaminoo.linkpc.net/2094095092091091/The-Springs-of-Joy-by-Tasha-Tudor.pdf
    • http://loaminoo.linkpc.net/3095095097099091/Vigil-by-Kathleen-Tudor.pdf
    • http://loaminoo.linkpc.net/2098097097096099/All-for-Love-by-Tasha-Tudor.pdf
    • http://loaminoo.linkpc.net/1095091099096095/The-Christmas-Cat-by-Efner-Tudor-Holmes.pdf
    • http://loaminoo.linkpc.net/3091094092094/Pagan-Spring-Max-Tudor-3-by-G-M-Malliet.pdf
    • http://loaminoo.linkpc.net/3091094095091/A-Fatal-Winter-Max-Tudor-2-by-G-M-Malliet.pdf
    • http://loaminoo.linkpc.net/2098097095097092/Corgiville-Christmas-by-Tasha-Tudor.pdf
    • http://loaminoo.linkpc.net/4095095091090096/Rivals-of-the-Tudor-Court-by-D-L-Bogdan.pdf
    • http://loaminoo.linkpc.net/3095091095095095/The-Tudor-Crown-by-Joanna-Hickson.pdf
    • http://loaminoo.linkpc.net/3093099095097099/The-Tudor-Wife-by-Emily-Purdy.pdf
    • http://loaminoo.linkpc.net/3093098099095097/The-House-of-Tudor-by-Alison-Plowden.pdf
    • http://loaminoo.linkpc.net/2093096099097092/The-Dolls-Christmas-by-Tasha-Tudor.pdf
    • http://loaminoo.linkpc.net/7094090094091096/Smallpox-Cholera-by-Vasile-Tudor.pdf
    • http://loaminoo.linkpc.net/3093099098099097/The-Virgin-s-War-Tudor-Legacy-3-by-Laura-Andersen.pdf