Malicious PDF — malware analysis report

Static analysis result for SHA-256 c40723673baddd13…

MALICIOUS

PDF

16.6 KB Created: 2019-04-30 02:24:23 +01:00 Authoring application: mPDF 5.7
MD5: 1aa9b9ff99c6439ae5ec3151730d1f05 SHA-1: 5bff1a6f43f64d00702c07906c134ebbda7a216b SHA-256: c40723673baddd1385281fef53e4ae2a67b079cc78aaeed68d89dae292af6435
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. These links, predominantly hosted on xiixmcuin.linkpc.net, are presented as book titles. The ML classifier also flagged this PDF as malicious. The primary attack pattern appears to be SEO manipulation or directing users to potentially harmful content through a link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/5202207208200204/In-the-Green-Kitchen-Techniques-to-Learn-by-Heart-by-Alice-Waters.pdf
    • http://xiixmcuin.linkpc.net/9201208200204209/By-Heart-101-Poems-to-Remember-by-Ted-Hughes.pdf
    • http://xiixmcuin.linkpc.net/5200207204203200/Learning-about-the-Heart-Poems-by-Len-Roberts.pdf
    • http://xiixmcuin.linkpc.net/5206200208207205/scikit-learn-Machine-Learning-Simplified-Implement-scikit-learn-into-every-step-of-the-data-science-pipeline-by-Ra-l-Garreta.pdf
    • http://xiixmcuin.linkpc.net/3209201202202203/Go-In-and-In-Poems-From-the-Heart-of-Yoga-by-Danna-Faulds.pdf
    • http://xiixmcuin.linkpc.net/5204209208204200/A-Cowboy-Tradition-Poems-From-the-Heart-by-T-K-Galarneau.pdf
    • http://xiixmcuin.linkpc.net/3203200202200200/Heart-Murmurs-Poems-by-John-A-Vanek.pdf
    • http://xiixmcuin.linkpc.net/1205200204202208/Illiterate-Heart-Poems-by-Meena-Alexander.pdf
    • http://xiixmcuin.linkpc.net/4208209201204205/From-the-Heart-A-Collection-of-Poems-and-Stories-Memories-3-by-Sue-Julsen.pdf
    • http://xiixmcuin.linkpc.net/1209209203205/Hand-Over-Heart-Poems-1981-1988-by-David-Trinidad.pdf
    • http://xiixmcuin.linkpc.net/4205209201203207/Festival-in-My-Heart-Poems-by-Japanese-Children-by-Bruno-Peter-Navasky.pdf
    • http://xiixmcuin.linkpc.net/3202200202208206/Wild-Heart-Peaceful-Soul-Poems-and-Inspiration-to-Live-and-Love-Harmoniously-by-J-Autherine.pdf
    • http://xiixmcuin.linkpc.net/1200202209208204/Inanna-Lady-of-Largest-Heart-Poems-of-the-Sumerian-High-Priestess-Enheduanna-by-Betty-De-Shong-Meador.pdf
    • http://xiixmcuin.linkpc.net/1200203206203209208/Sad-Peninsula-by-Mark-Sampson.pdf
    • http://xiixmcuin.linkpc.net/1200203206204207209/Hogan-by-Curt-Sampson.pdf
    • http://xiixmcuin.linkpc.net/1200203206205206207/Clubland-by-Kevin-Sampson.pdf
    • http://xiixmcuin.linkpc.net/4205208209202201/Needlegrass-by-Dennis-Sampson.pdf
    • http://xiixmcuin.linkpc.net/1200203206205209207/Deborah-Sampson-by-Ed-Beaulieu.pdf
    • http://xiixmcuin.linkpc.net/3204202209200205/Daughter-of-Tintagel-by-Fay-Sampson.pdf
    • http://xiixmcuin.linkpc.net/2206207208205200/Bon-Voyage-by-Juliet-M-Sampson.pdf
    • http://xiixmcuin.linkpc.net/4208209201204205/From-the-Heart-A-Collection-of-Poems-and-Stories-Memories-3-by-Sue-Julsen.pd

Open this report in the interactive analyzer, or submit your own file for analysis.