Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e02d4021287cfda…

MALICIOUS

PDF

25.6 KB Created: 2019-04-30 04:27:45 +01:00 Authoring application: mPDF 5.7
MD5: 40c2ef659e794796c716b95c0de77715 SHA-1: c45c4d2cbb49a037746a225105c787592f9b483a SHA-256: 5e02d4021287cfdadaed10d97a2d292526bec62dd8c0926506c947b1bdaefb51
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, as indicated by the PDF_SEO_LINK_FARM heuristic. While the URLs themselves are currently marked as benign, the sheer volume and the ML classifier's high confidence suggest a malicious intent, likely to drive traffic to potentially harmful sites or for SEO manipulation. The presence of embedded URLs within the document body further supports this. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9908

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/1090096091090098098/American-Literature-Volume-2-Third-Edition-and-with-D-and-Bibliography-and-Huck-and-James-American-by-Lauter.pdf
    • http://loaminoo.linkpc.net/1090096091090098097/American-Literature-Volume-2-Third-Edition-and-Bibliography-by-Lauter.pdf
    • http://loaminoo.linkpc.net/1090096091090093098/Anthology-of-American-Literature-Volume-1-Third-Edition-and-Boyer-Enduring-Vision-Concise-Volume-1-3rd-Edition-by-Lauter.pdf
    • http://loaminoo.linkpc.net/1090096091090098090/American-Literature-Volume-1-Third-Edition-and-Barton-by-Lauter.pdf
    • http://loaminoo.linkpc.net/1090096090098099090/The-Heath-Anthology-of-American-Literature-Volume-1-by-Paul-Lauter.pdf
    • http://loaminoo.linkpc.net/1090096090098099092/The-Heath-Anthology-of-American-Literature-Volume-A-Colonial-Period-to-1800-by-Paul-Lauter.pdf
    • http://loaminoo.linkpc.net/8092091099092094/The-Heath-Anthology-of-American-Literature-Volume-D-Modern-Period-1910-1945-by-Paul-Lauter.pdf
    • http://loaminoo.linkpc.net/1090096091090092091/The-Heath-Anthology-of-American-Literature-Volume-E-Contemporary-Period-1945-to-the-Present-by-Paul-Lauter.pdf
    • http://loaminoo.linkpc.net/1090096090099091095/The-Heath-Anthology-of-American-Literature-Modern-Period-1910-1945-Volume-D-by-Paul-Lauter.pdf
    • http://loaminoo.linkpc.net/1090096090098098098/The-Heath-Anthology-of-American-Literature-Volume-B-Early-Nineteenth-Century-1800-1865-by-Paul-Lauter.pdf
    • http://loaminoo.linkpc.net/4091094094091096/Anthology-of-American-Literature-Volume-1-Colonial-through-Romantic-by-George-L-McMichael.pdf
    • http://loaminoo.linkpc.net/1090092092091095093/The-Cambridge-History-of-American-Literature-Volume-1-1590-1820-by-Sacvan-Bercovitch.pdf
    • http://loaminoo.linkpc.net/1090092092092093091/The-Cambridge-History-of-American-Literature-Volume-8-Poetry-and-Criticism-1940-1995-by-Sacvan-Bercovitch.pdf
    • http://loaminoo.linkpc.net/1090092092091096090/The-Cambridge-History-of-American-Literature-Volume-2-Prose-Writing-1820-1865-by-Sacvan-Bercovitch.pdf
    • http://loaminoo.linkpc.net/1090096091090093097/Heath-Anthology-Volume-2-Third-Edition-and-My-Antonia-by-Lauter.pdf
    • http://loaminoo.linkpc.net/5099096092095090/PRESIDENT-TRUMP-and-the-2nd-AMERICAN-REVOLUTION-Book-2-RAW-MILK-Uncensored-Edition-Volume-2-by-Mr-Joe-Nickolas-Pelech.pdf
    • http://loaminoo.linkpc.net/2097095090097099/Literary-Criticism-Vol-1-Essays-on-Literature-American-Writers-English-Writers-by-Henry-James.pdf
    • http://loaminoo.linkpc.net/1090096091090092094/From-Walden-Pond-to-Jurassic-Park-Activism-Culture-and-American-Studies-by-Paul-Lauter.pdf
    • http://loaminoo.linkpc.net/8091091090090095/What-Has-Yet-to-Happen-Bi-lingual-Edition-Modern-Korean-Literature-Volume-75-by-Kim-Mi-wol.pdf
    • http://loaminoo.linkpc.net/2095091098098099/Postmodern-Belief-American-Literature-and-Religion-Since-1960-by-Amy-Hungerford.pdf

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