Malicious PDF — malware analysis report

Static analysis result for SHA-256 33d61fbad8b8525e…

MALICIOUS

PDF

24.2 KB Created: 2019-05-02 11:19:10 +01:00 Authoring application: mPDF 5.7
MD5: 49031e69591ef91a7f0c25632066305a SHA-1: 617a503536cd20498611d4326d06f5083a1cc450 SHA-256: 33d61fbad8b8525ee2acb44fdd051d90da916f8c9e5e486eb5335e8d7ba54e51
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm. This is indicative of a phishing or redirection attempt, likely to distribute further malicious content or lead users to scam pages. The ML classifier strongly supports the malicious verdict. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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://unieoooq.linkpc.net/14e44e24e64e24e5/The-World-s-Best-Books-Taste-Culture-and-the-Modern-Library-by-Jay-Satterfield.pdf
    • http://unieoooq.linkpc.net/14e14e04e64e44e44e5/Mansfield-Park-Modern-Library-of-the-World-s-Best-Books-by-Jane-Austen.pdf
    • http://unieoooq.linkpc.net/84e54e84e14e04e2/The-Scarlet-Letter-A-Romance-Burt-s-Library-of-the-World-s-Best-Books-by-Nathaniel-Hawthorne.pdf
    • http://unieoooq.linkpc.net/54e44e24e14e54e1/Judaism-Discover-the-History-Faith-and-Culture-That-Have-Shaped-the-Modern-Jewish-World-by-Douglas-Charing.pdf
    • http://unieoooq.linkpc.net/84e04e74e44e34e2/Free-Books-for-World-History-Lovers-Over-550-World-History-Books-for-You-to-Enjoy-Free-Books-for-a-Quick-Download-Book-14-by-Mike-Caputo.pdf
    • http://unieoooq.linkpc.net/14e64e24e94e64e5/Slavery-and-the-Culture-of-Taste-by-Simon-Gikandi.pdf
    • http://unieoooq.linkpc.net/64e94e94e74e64e4/The-French-Revolution-amp-the-Creation-of-Modern-Political-Culture-Vol-3-The-Transformation-of-Political-Culture-1789-1848-by-Fran-ois-Furet.pdf
    • http://unieoooq.linkpc.net/44e14e64e34e54e5/Food-Fights-amp-Culture-Wars-A-Secret-History-of-Taste-by-Tom-Nealon.pdf
    • http://unieoooq.linkpc.net/14e04e44e94e44e84e0/HOLLY-BLACK-SERIES-READING-ORDER-MAGISTERIUM-BOOKS-MODERN-TALE-OF-FAERIE-BOOKS-SPIDERWICK-CHRONICLES-BOOKS-BEYONG-SPIDERWICK-CHRONICLES-GOOD-NEIGHBORS-BOOKS-BY-HOLLY-BLACK-by-List-Series.pdf
    • http://unieoooq.linkpc.net/44e94e54e04e64e9/A-Similar-Taste-in-Books-by-Linda-Banche.pdf
    • http://unieoooq.linkpc.net/14e04e84e24e24e84e9/The-Photo-Book-of-Austria-Images-of-Austrian-architecture-culture-nature-landscapes-in-Innsbruck-Hofburg-Vienna-Salzberg-and-more-Photo-Books-27-by-Digital-Photo-Books.pdf
    • http://unieoooq.linkpc.net/64e94e24e64e34e5/Selected-Short-Stories-of-William-Faulkner-by-The-Modern-Library-New-York.pdf
    • http://unieoooq.linkpc.net/24e94e74e54e64e5/The-Modern-Library-The-Two-Hundred-Best-Novels-in-English-Since-1950-by-Colm-T-ib-n.pdf
    • http://unieoooq.linkpc.net/74e84e04e14e44e1/The-Modern-Library-Writer-s-Workshop-A-Guide-to-the-Craft-of-Fiction-by-Stephen-Koch.pdf
    • http://unieoooq.linkpc.net/14e94e64e14e44e3/Books-Can-Be-Deceiving-Library-Lover-s-Mystery-1-by-Jenn-McKinlay.pdf
    • http://unieoooq.linkpc.net/34e34e84e24e34e2/A-Murder-for-the-Books-Blue-Ridge-Library-Mysteries-1-by-Victoria-Gilbert.pdf
    • http://unieoooq.linkpc.net/24e94e84e44e74e5/The-Card-Catalog-Books-Cards-and-Literary-Treasures-by-Library-of-Congress.pdf
    • http://unieoooq.linkpc.net/34e74e54e84e84e8/A-Murder-for-the-Books-Blue-Ridge-Library-Mysteries-1-by-Victoria-Gilbert.pdf
    • http://unieoooq.linkpc.net/44e24e04e24e34e1/The-River-s-Song-by-Jim-Satterfield.pdf
    • http://unieoooq.linkpc.net/54e04e14e44e54e7/A-Feeling-for-Books-The-Book-Of-The-Month-Club-Literary-Taste-and-Middle-Class-Desire-by-Janice-A-Radway.pdf
    • http://unieoooq.linkpc.net/84e04e74e44e34e2/Free-Books-for-World-History-Lovers-Over-550-World-History-Books-for-You-to-Enjoy-Free-Books-for-a-Quick-Download-Book-14-by-Mike-Caputo

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