Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a5489d45a991928…

MALICIOUS

PDF

18.5 KB Created: 2019-04-30 17:55:10 +01:00 Authoring application: mPDF 5.7
MD5: 85ce2ea216540237fd06484449abf9a9 SHA-1: 744e1570c3defefbecc7041d21973ba040fd9ff6 SHA-256: 5a5489d45a99192827744d965c046c24466ff0592cb1b3303a8a9d0f4f9651be
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, masquerading as book titles. This behavior is indicative of a link farm or a lure to download further content. The ML classifier also flagged this PDF as malicious, supporting the assessment of a malicious intent.

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://xiixmcuin.linkpc.net/2201200202200201/Queen-Takes-Knights-Their-Vampire-Queen-1-by-Joely-Sue-Burkhart.pdf
    • http://xiixmcuin.linkpc.net/7201200200/Queen-Takes-King-Their-Vampire-Queen-2-by-Joely-Sue-Burkhart.pdf
    • http://xiixmcuin.linkpc.net/8200203200203/Bound-by-the-Vampire-Queen-Vampire-Queen-8-by-Joey-W-Hill.pdf
    • http://xiixmcuin.linkpc.net/3208201208204/The-Mark-of-the-Vampire-Queen-Vampire-Queen-2-by-Joey-W-Hill.pdf
    • http://xiixmcuin.linkpc.net/4207202200203205/The-Vampire-Queen-s-Servant-Vampire-Queen-1-by-Joey-W-Hill.pdf
    • http://xiixmcuin.linkpc.net/2208203206208207/Dear-Sir-I-m-Yours-The-Connaghers-2-by-Joely-Sue-Burkhart.pdf
    • http://xiixmcuin.linkpc.net/2204204207205205/The-Billionaire-Submissive-Billionaires-in-Bondage-1-by-Joely-Sue-Burkhart.pdf
    • http://xiixmcuin.linkpc.net/4201202204202206/The-Rose-of-Shanhasson-Blood-and-Shadows-1-by-Joely-Sue-Burkhart.pdf
    • http://xiixmcuin.linkpc.net/2209205202202206/The-Road-to-Shanhasson-Blood-and-Shadows-2-by-Joely-Sue-Burkhart.pdf
    • http://xiixmcuin.linkpc.net/3201202204202207/King-Takes-Queen-by-Monica-Corwin.pdf
    • http://xiixmcuin.linkpc.net/2204203209201207/Mrs-Queen-Takes-the-Train-by-William-Kuhn.pdf
    • http://xiixmcuin.linkpc.net/6202206202203/Vampire-Trinity-Vampire-Queen-6-by-Joey-W-Hill.pdf
    • http://xiixmcuin.linkpc.net/5200201205202202/The-Queen-Mother-The-Untold-Story-of-Elizabeth-Bowes-Lyon-Who-Became-Queen-Elizabeth-The-Queen-Mother-by-Lady-Colin-Campbell.pdf
    • http://xiixmcuin.linkpc.net/2200200202206202/Taken-by-a-Vampire-Vampire-Queen-9-by-Joey-W-Hill.pdf
    • http://xiixmcuin.linkpc.net/1200206203204203/The-Knighting-of-Sir-Kaye-A-Kids-Adventure-Book-about-Knights-Chivalry-and-a-Medieval-Queen-by-Don-M-Winn.pdf
    • http://xiixmcuin.linkpc.net/9207203204204200/Melting-the-Ice-Queen-Frigid-MILF-Takes-It-Rough-for-the-First-Time-Multiple-Partners-Black-on-White-by-Johnson-Stiff.pdf
    • http://xiixmcuin.linkpc.net/4207206208205205/The-Lady-Queen-The-Notorious-Reign-of-Joanna-I-Queen-of-Naples-Jerusalem-and-Sicily-by-Nancy-Goldstone.pdf
    • http://xiixmcuin.linkpc.net/1202202201200207/Twilight-of-a-Queen-The-Dark-Queen-Saga-5-by-Susan-Carroll.pdf
    • http://xiixmcuin.linkpc.net/3204202206203202/The-Idylls-of-the-Queen-A-Tale-of-Queen-Guenevere-by-Phyllis-Ann-Karr.pdf
    • http://xiixmcuin.linkpc.net/9204204201209/Mary-Queen-of-Scots-Queen-Without-a-Country-by-Kathryn-Lasky.pdf