Malicious PDF — malware analysis report

Static analysis result for SHA-256 6534223a0e7de930…

MALICIOUS

PDF

18.8 KB Created: 2019-04-30 03:30:19 +01:00 Authoring application: mPDF 5.7
MD5: 468328cfaf53e167d237a202e9c23efc SHA-1: 2c4499ec4dafd75ca2f16a88022c2c7e4bb047a2 SHA-256: 6534223a0e7de930812012b1ceb4a8cd552c16ff01fd3ff075c9c97fffa9eafd
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a heuristic firing for a "PDF_SEO_LINK_FARM" which indicates a large number of embedded external links. The ML classifier also flagged the PDF as malicious. While the document body is unreadable, the presence of numerous links to external PDFs suggests an attempt to direct users to potentially malicious or unwanted content, possibly for SEO manipulation or to host further malicious payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/2097094090099094/Lady-Undaunted-Lady-5-by-Tamara-Leigh.pdf
    • http://loaminoo.linkpc.net/4094095099097093/Lady-Ever-After-Beyond-Time-2-by-Tamara-Leigh.pdf
    • http://loaminoo.linkpc.net/3092090095093097/Lady-Slings-the-Booze-Lady-Sally-s-2-Callahan-s-5-by-Spider-Robinson.pdf
    • http://loaminoo.linkpc.net/4095095093097097/Lady-Merry-s-Dashing-Champion-Lady-Trilogy-3-by-Jeane-Westin.pdf
    • http://loaminoo.linkpc.net/9099092098096092/Lady-of-Pattaya-Lady-Impenetrable-My-Mia-Farang-by-Michael-Schemmann.pdf
    • http://loaminoo.linkpc.net/1099098091097094/Lady-Be-Good-American-s-Lady-2-by-Susan-Elizabeth-Phillips.pdf
    • http://loaminoo.linkpc.net/4090099097093094/The-Memoirs-of-Lady-Hyegy-ng-The-Autobiographical-Writings-of-a-Crown-Princess-of-Eighteenth-Century-Korea-by-Lady-Hyegyeong.pdf
    • http://loaminoo.linkpc.net/3095094091094094/Lady-Lady-I-Did-It-87th-Precinct-14-by-Ed-McBain.pdf
    • http://loaminoo.linkpc.net/2095095097091/The-Lady-Travelers-Guide-to-Larceny-with-a-Dashing-Stranger-The-Lady-Travelers-Society-2-by-Victoria-Alexander.pdf
    • http://loaminoo.linkpc.net/2098093095099091/The-Lady-Most-Likely-Lady-Most-1-by-Julia-Quinn.pdf
    • http://loaminoo.linkpc.net/6095098093093094/Our-Lady-of-Joy-Our-Lady-of-Joy-1-by-Valery-Keith.pdf
    • http://loaminoo.linkpc.net/2090094092094090/The-Lady-Travelers-Guide-to-Scoundrels-amp-Other-Gentlemen-The-Lady-Travelers-Society-1-by-Victoria-Alexander.pdf
    • http://loaminoo.linkpc.net/2095095093094098/Lady-Helen-and-the-Dark-Days-Club-Lady-Helen-1-by-Alison-Goodman.pdf
    • http://loaminoo.linkpc.net/3097091099094094/Lunch-Lady-and-the-Field-Trip-Fiasco-Lunch-Lady-6-by-Jarrett-J-Krosoczka.pdf
    • http://loaminoo.linkpc.net/3097092091093099/Lunch-Lady-and-the-Summer-Camp-Shakedown-Lunch-Lady-4-by-Jarrett-J-Krosoczka.pdf
    • http://loaminoo.linkpc.net/4097090096094/Lunch-Lady-and-the-Cyborg-Substitute-Lunch-Lady-1-by-Jarrett-J-Krosoczka.pdf
    • http://loaminoo.linkpc.net/2097091096090095/Lady-Anne-and-the-Howl-in-the-Dark-Lady-Anne-1-by-Donna-Lea-Simpson.pdf
    • http://loaminoo.linkpc.net/3097092091093091/Lunch-Lady-and-the-League-of-Librarians-Lunch-Lady-2-by-Jarrett-J-Krosoczka.pdf
    • http://loaminoo.linkpc.net/1092091097095/Lady-Whistledown-Strikes-Back-Lady-Whistledown-2-by-Julia-Quinn.pdf
    • http://loaminoo.linkpc.net/3094094093094094/Darling-Monster-The-Letters-of-Lady-Diana-Cooper-to-her-Son-John-Julius-Norwich-1939-1952-by-Lady-Diana-Cooper.pdf