Malicious PDF — malware analysis report

Static analysis result for SHA-256 037478ca34ec0e60…

MALICIOUS

PDF

16.6 KB Created: 2019-04-30 09:03:35 +01:00 Authoring application: mPDF 5.7
MD5: 6b764d21d38655aad95d19de28df092c SHA-1: c104c24511e3e1fb9d8ca9048f39ad569bb0f53a SHA-256: 037478ca34ec0e6092aedc7f4d5258449d7be28852ee7756a38d3a4179983ace
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 guides. This technique is often used to drive traffic to malicious sites or to host further stages of an attack. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9913

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://zacdsa.linkpc.net/1c51c56c59c55c57c53/The-Complete-Idiot-s-Guide-to-Beagles-by-Kim-Campbell-Thornton.pdf
    • http://zacdsa.linkpc.net/1c58c54c57c50c54/The-Complete-Idiot-s-Guide-to-Starting-a-Food-Truck-Business-Complete-Idiot-s-Guides-by-Alan-Philips.pdf
    • http://zacdsa.linkpc.net/7c59c54c58c56c56/The-Complete-Idiot-s-Guide-to-Pro-Wrestling-by-Lou-Albano.pdf
    • http://zacdsa.linkpc.net/1c59c54c53c50c51/The-Complete-Idiot-s-Guide-to-Ghosts-amp-Hauntings-by-Tom-Ogden.pdf
    • http://zacdsa.linkpc.net/6c57c50c52c58/The-Complete-Idiot-s-Guide-to-Hinduism-by-Linda-Johnsen.pdf
    • http://zacdsa.linkpc.net/1c51c55c54c57c58c58/The-Complete-Idiot-s-Guide-to-Tarot-by-Arlene-Tognetti.pdf
    • http://zacdsa.linkpc.net/1c50c52c51c51c56c58/The-Complete-Idiot-s-Guide-to-Grilling-by-Barbara-Grunes.pdf
    • http://zacdsa.linkpc.net/3c59c52c52c58c56/The-Complete-Idiot-s-Guide-to-Buddhism-by-Gary-Gach.pdf
    • http://zacdsa.linkpc.net/1c51c52c52c50c52c55/The-Complete-Idiot-s-Guide-to-Natural-Remedies-by-Chrystle-Fiedler.pdf
    • http://zacdsa.linkpc.net/8c52c58c56c58c58/The-Complete-Idiot-s-Guide-to-Wicca-and-Witchcraft-by-Denise-Zimmermann.pdf
    • http://zacdsa.linkpc.net/1c53c52c53c59c56/Complete-Idiot-s-Guide-to-Understanding-Buddhism-by-Gary-Gach.pdf
    • http://zacdsa.linkpc.net/8c55c51c55c54c56/The-Complete-Idiot-s-Guide-to-Music-Composition-by-Michael-Miller.pdf
    • http://zacdsa.linkpc.net/9c57c56c59c57c53/The-Complete-Idiot-s-Guide-to-Quilting-Illustrated-by-Laura-Ehrlich.pdf
    • http://zacdsa.linkpc.net/1c50c52c52c50c55c54/The-Complete-Idiot-s-Guide-to-the-Koran-by-Muhammad-Shaykh-Sarwar.pdf
    • http://zacdsa.linkpc.net/4c58c58c59c51c54/The-Complete-Idiot-s-Guide-to-Understanding-Islam-by-Yahiya-Emerick.pdf
    • http://zacdsa.linkpc.net/8c52c59c59c59c57/The-Complete-Idiot-s-Guide-to-Plant-Based-Nutrition-by-Julieanna-Hever.pdf
    • http://zacdsa.linkpc.net/1c50c50c58c51c52c52/The-Complete-Idiot-s-Guide-to-Getting-Organized-Fast-Track-by-Cynthia-Ewer.pdf
    • http://zacdsa.linkpc.net/3c59c54c56c51c56/The-Complete-Idiot-s-Guide-to-Plant-Based-Nutrition-by-Julieanna-Hever.pdf
    • http://zacdsa.linkpc.net/4c58c57c53c53c55/The-Complete-Idiot-s-Guide-to-Selling-Your-Crafts-by-Chris-Franchetti-Michaels.pdf
    • http://zacdsa.linkpc.net/1c58c53c53c57c56/The-Complete-Idiot-s-Guide-to-Vegan-Eating-For-Kids-by-Dana-Villamagna.pdf

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