Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb96375910a99e67…

MALICIOUS

PDF

16.1 KB Created: 2019-04-30 04:55:54 +01:00 Authoring application: mPDF 5.7
MD5: c86fe425cd4573be91ce6984f45ffb40 SHA-1: 84324020618ab50fb7a98a3371c1f9dc46e11ccf SHA-256: cb96375910a99e67d87e154495096275ca45663832e6c0c31028f49314fcc91a
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links to external PDF documents, a technique often used for SEO abuse or to distribute malicious content. The ML classifier strongly indicated maliciousness. While the specific URLs themselves are currently marked as benign, the sheer volume and the heuristic firing of PDF_SEO_LINK_FARM suggest a malicious intent to redirect users to potentially harmful content. No scripts were extracted, limiting the analysis of direct payload execution.

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://loaminoo.linkpc.net/9094094090098094/Complete-Idiot-s-Guide-to-Goldmine-5-by-Goldmine-Consultancy.pdf
    • http://loaminoo.linkpc.net/9094094091091091/Goldmine-Roots-of-Rock-Digest-by-Goldmine-Magazine.pdf
    • http://loaminoo.linkpc.net/9094094092091091/Goldmine-s-1994-Annual-by-Goldmine-Magazine.pdf
    • http://loaminoo.linkpc.net/9094094092094095/Goldmine-s-1996-Annual-by-Goldmine-Magazine.pdf
    • http://loaminoo.linkpc.net/9094094090093098/Goldmine-s-Price-Guide-to-Alternative-Records-by-Tim-Neely.pdf
    • http://loaminoo.linkpc.net/9094093099094099/Goldmine-Record-Album-Price-Guide-by-Tim-Neely.pdf
    • http://loaminoo.linkpc.net/1098094097090094/The-Complete-Idiot-s-Guide-to-Starting-a-Food-Truck-Business-Complete-Idiot-s-Guides-by-Alan-Philips.pdf
    • http://loaminoo.linkpc.net/9094094090098093/A-Goldmine-In-Your-Kitchen-by-Cheryl-Hines.pdf
    • http://loaminoo.linkpc.net/9094094090098096/Goldmine--London-W-1-by-Philip-Daniels.pdf
    • http://loaminoo.linkpc.net/9094094092092099/Beating-The-Beast-Goldmine-by-Chan-G-.pdf
    • http://loaminoo.linkpc.net/9094093099094097/Goldmine-The-Burning-Shore-by-Wilbur-Smith.pdf
    • http://loaminoo.linkpc.net/9094094092092095/The-Aardvark-and-the-Alien-Goldmine-by-Shannon-Cooper.pdf
    • http://loaminoo.linkpc.net/9094094091091092/Goldmine-of-Baby-Names-Boys-by-Angelo-Tropea.pdf
    • http://loaminoo.linkpc.net/9094094092092093/Goldmine-of-Baby-Names-Girls-by-Angelo-Tropea.pdf
    • http://loaminoo.linkpc.net/9094094091090091/Report-Writing-with-Crystal-Reports-for-Goldmine-by-Lila-Brown.pdf
    • http://loaminoo.linkpc.net/7099094098096096/The-Complete-Idiot-s-Guide-to-Pro-Wrestling-by-Lou-Albano.pdf
    • http://loaminoo.linkpc.net/9094094090099098/The-LinkedIn-Goldmine-How-to-Win-Clients-Build-Relationships-and-Become-a-Prosperous-Writer-by-David-Masters.pdf
    • http://loaminoo.linkpc.net/1091096099095097093/The-Complete-Idiot-s-Guide-to-Beagles-by-Kim-Campbell-Thornton.pdf
    • http://loaminoo.linkpc.net/1091095094097098098/The-Complete-Idiot-s-Guide-to-Tarot-by-Arlene-Tognetti.pdf
    • http://loaminoo.linkpc.net/1099094093090091/The-Complete-Idiot-s-Guide-to-Ghosts-amp-Hauntings-by-Tom-Ogden.pdf

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