Malicious PDF — malware analysis report

Static analysis result for SHA-256 925e4255b1fde19f…

MALICIOUS

PDF

30.3 KB Created: 2019-05-05 14:05:48 +01:00 Authoring application: mPDF 5.7
MD5: 079d41dcf13bd9e73dafafa8fb424aa2 SHA-1: 4ad53550b5b05344f43427255255e619a01447ae SHA-256: 925e4255b1fde19f39924aa1055f45e7a165eb00bc002b4831bc687cde0fb83e
90 Risk Score

Malware Insights

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

The PDF contains a link farm with 32 external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF with high confidence. The embedded URLs, while appearing benign in reputation, are part of a strategy to direct users to a large collection of documents, likely for SEO poisoning or to host malicious content indirectly. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9684

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://muicuiu.dumb1.com/7a02a07a04a00/Anatomy-of-an-Epidemic-Magic-Bullets-Psychiatric-Drugs-and-the-Astonishing-Rise-of-Mental-Illness-in-America-by-Robert-Whitaker.pdf
    • http://muicuiu.dumb1.com/9a08a00a08a04/NO-NONSENSE-GUIDE-TO-PSYCHIATRIC-DRUGS-INCLUDING-MENTAL-EFFECTS-OF-COMMON-NON-PSYCH-MEDICATIONS-by-Moira-Dolan.pdf
    • http://muicuiu.dumb1.com/3a05a02a05a02a01/Hannah-My-True-Story-of-Drugs-Cutting-and-Mental-Illness-by-Hannah-Westberg.pdf
    • http://muicuiu.dumb1.com/2a03a07a06a02a07/Great-and-Desperate-Cures-The-Rise-and-Decline-of-Psychosurgery-and-Other-Radical-Treatments-for-Mental-Illness-by-Elliot-S-Valenstein.pdf
    • http://muicuiu.dumb1.com/1a07a03a01a09a01/Journey-Untold-My-Mother-s-Struggle-with-Mental-Illnesses-Bipolar-paranoid-schizophrenia-or-other-forms-of-mental-illness-is-debilitating-for-everyone-including-the-families-left-to-try-to-cope-by-Yassin-Hall.pdf
    • http://muicuiu.dumb1.com/4a08a02a00a06a04/Insane-Asylums-A-Detailed-Synopsis-Of-Their-History-And-Mistreatment-Of-Patients-Psychopath-Sociopath-Mental-Illness-Personality-Disorders-Mental-Health-Insanity-Book-3-by-Alex-Rice.pdf
    • http://muicuiu.dumb1.com/9a05a09a06a01a05/Internal-Bleeding-The-Truth-Behind-America-s-Terrifying-Epidemic-of-Medical-Mistakes-by-Robert-M-Wachter.pdf
    • http://muicuiu.dumb1.com/1a00a09a09a06a06a06/Psychiatric-Epidemiology-Searching-for-the-Causes-of-Mental-Disorders-by-Ezra-S-Susser.pdf
    • http://muicuiu.dumb1.com/8a08a05a00a01/Diagnostic-and-Statistical-Manual-of-Mental-Disorders-DSM-IV-TR-by-American-Psychiatric-Association.pdf
    • http://muicuiu.dumb1.com/3a08a05a06a05a04/Defying-Mental-Illness-by-Paul-Komarek.pdf
    • http://muicuiu.dumb1.com/1a01a09a08a05a04a07/How-I-Fight-My-Mental-Illness-by-Mary-Beth-Lester.pdf
    • http://muicuiu.dumb1.com/2a00a03a05a06a09/The-Price-of-Silence-A-Mom-s-Perspective-on-Mental-Illness-by-Liza-Long.pdf
    • http://muicuiu.dumb1.com/8a02a08a01a02a01/Anatomy-of-an-Illness-As-Perceived-by-the-Patient-by-Norman-Cousins.pdf
    • http://muicuiu.dumb1.com/6a04a03a01a02a01/Van-Gogh-s-Inner-Struggle-Life-Work-and-Mental-Illness-by-Liesbeth-Heenk.pdf
    • http://muicuiu.dumb1.com/3a08a05a08a04a04/I-am-Not-Sick-I-Don-t-Need-Help-How-to-Help-Someone-With-Mental-Illness-Accept-Treatment-by-Xavier-Francisco-Amador.pdf
    • http://muicuiu.dumb1.com/3a05a02a07a02a09/Poets-on-Prozac-Mental-Illness-Treatment-and-the-Creative-Process-by-Richard-M-Berlin.pdf
    • http://muicuiu.dumb1.com/1a04a03a00a06a06/Doctoring-the-Mind-Is-Our-Current-Treatment-of-Mental-Illness-Really-Any-Good-by-Richard-P-Bentall.pdf
    • http://muicuiu.dumb1.com/2a02a03a08a08/No-Really-We-Want-You-to-Laugh-Mental-Illness-and-Stand-Up-Comedy-Transforming-Lives-by-Dave-Mowry.pdf
    • http://muicuiu.dumb1.com/8a03a03a04a00a06/The-Kevin-Show-An-Olympic-Athlete-s-Battle-with-Mental-Illness-by-Mary-Pilon.pdf
    • http://muicuiu.dumb1.com/2a03a07a03a09a05/Psychiatric-Interviewing-the-Art-of-Understanding-A-Practical-Guide-for-Psychiatrists-Psychologists-Counselors-Social-Workers-Nurses-and-Other-Mental-Health-Professionals-by-Shawn-Christopher-Shea.pdf
    • http://muicuiu.dumb1.com/1a07a03a01a09a01/Journey-Untold-My-Mother-s-Struggle-with-Mental-Illnesses-Bipolar-paranoid-schi

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