Malicious PDF — malware analysis report

Static analysis result for SHA-256 0192dd34ac104de0…

MALICIOUS

PDF

16.1 KB Created: 2019-05-01 17:15:14 +01:00 Authoring application: mPDF 5.7
MD5: ccdb5d5caaa1cd3d8782715e6a07830e SHA-1: f013226dba8cb20ae88a9962240af58b0bcb2ca4 SHA-256: 0192dd34ac104de025145f073236183fc78ee954b21811a411e3be0993736a3e
92 Risk Score

Malware Insights

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

The PDF document was flagged for containing a large number of external links, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also strongly indicated maliciousness. While the extracted URLs themselves are currently marked as benign, the sheer volume and the heuristic firing suggest a malicious intent to redirect users to potentially harmful sites or to game search engine rankings.

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://zacdsa.linkpc.net/1c51c57c57c51c52c57/Dangerous-Desires-A-Romantic-Suspense-Collection-by-Tia-Siren.pdf
    • http://zacdsa.linkpc.net/2c55c57c59c56c53/Dangerous-Attraction-Romantic-Suspense-Boxed-Set-by-Kaylea-Cross.pdf
    • http://zacdsa.linkpc.net/4c51c52c56c51c59/Dangerous-Dozen-Romantic-Suspense-Boxed-Set-by-Charity-Pineiro.pdf
    • http://zacdsa.linkpc.net/7c54c57c50c51c50/Alternative-Desires-An-FBI-Romantic-Suspense-Alternative-Series-Book-1-by-Scarlette-Reveille.pdf
    • http://zacdsa.linkpc.net/3c59c54c53c55c56/Have-You-Seen-Her-Romantic-Suspense-2-by-Karen-Rose.pdf
    • http://zacdsa.linkpc.net/1c52c51c56c57/Have-You-Seen-Her-Romantic-Suspense-2-by-Karen-Rose.pdf
    • http://zacdsa.linkpc.net/4c57c57c50c50c54/Hot-Pursuit-Romantic-Suspense-4-5-by-Karen-Rose.pdf
    • http://zacdsa.linkpc.net/4c59c53c57c50c59/I-Can-See-You-Romantic-Suspense-10-Minneapolis-1-by-Karen-Rose.pdf
    • http://zacdsa.linkpc.net/3c58c53c52c56c50/Watching-PAVAD-FBI-Romantic-Suspense-1-by-Calle-J-Brookes.pdf
    • http://zacdsa.linkpc.net/4c58c51c59c50c54/Wanting-PAVAD-FBI-Romantic-Suspense-2-by-Calle-J-Brookes.pdf
    • http://zacdsa.linkpc.net/3c59c54c50c55c59/Count-to-Ten-Romantic-Suspense-6-Chicago-5-by-Karen-Rose.pdf
    • http://zacdsa.linkpc.net/2c57c53c52c50c59/You-Belong-to-Me-Romantic-Suspense-12-Baltimore-1-by-Karen-Rose.pdf
    • http://zacdsa.linkpc.net/3c56c55c56c51c53/I-m-Watching-You-Romantic-Suspense-3-Chicago-2-by-Karen-Rose.pdf
    • http://zacdsa.linkpc.net/4c58c52c55c55c52/Running-PAVAD-FBI-Romantic-Suspense-6-by-Calle-J-Brookes.pdf
    • http://zacdsa.linkpc.net/4c55c51c53c56c58/Watch-Your-Back-Romantic-Suspense-15-Baltimore-4-by-Karen-Rose.pdf
    • http://zacdsa.linkpc.net/2c58c54c57c51c50/Silent-Scream-Romantic-Suspense-11-Minneapolis-2-by-Karen-Rose.pdf
    • http://zacdsa.linkpc.net/1c58c58c56c56c51/When-Darkness-Comes-A-Haunting-Romantic-Suspense-Thriller-by-Sandra-Ross.pdf
    • http://zacdsa.linkpc.net/1c51c50c51c53/Silent-Scream-Romantic-Suspense-11-Minneapolis-2-by-Karen-Rose.pdf
    • http://zacdsa.linkpc.net/1c57c50c59c58c50/A-Dangerous-Man-The-Complete-Collection-A-Dangerous-Man-1-4-by-Serena-Grey.pdf
    • http://zacdsa.linkpc.net/3c51c59c55c52c58/Dangerous-Desires-A-Tac-2-by-Dee-Davis.pdf

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