Malicious PDF — malware analysis report

Static analysis result for SHA-256 a31ca5f3cd901731…

MALICIOUS

PDF

18.9 KB Created: 2019-05-06 17:40:51 +01:00 Authoring application: mPDF 5.7
MD5: f51163c574becd3ede1466e0326e834b SHA-1: 753f4b04eff2a45f76fac16c1fea7a62e9a57a9f SHA-256: a31ca5f3cd901731ca826fc383e1c0e43fceda22cccaa5bd717a805a3f147388
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier as malicious and contains a large number of embedded links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links, such as http://xiixmcuin.linkpc.net/3209207203201200/A-Life-Worthy-of-the-Gods-The-Materialist-Psychology-of-Epicurus-by-David-Konstan.pdf, are likely used to distribute further malware or for SEO poisoning. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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://xiixmcuin.linkpc.net/3209207203201200/A-Life-Worthy-of-the-Gods-The-Materialist-Psychology-of-Epicurus-by-David-Konstan.pdf
    • http://xiixmcuin.linkpc.net/8202202202202206/Criminal-Psychology-Topics-in-Applied-Psychology-by-David-Canter.pdf
    • http://xiixmcuin.linkpc.net/1200206209202208202/EPICURUS-and-THE-PLEASANT-LIFE-A-Philosophy-of-Nature-by-Haris-Dimitriadis.pdf
    • http://xiixmcuin.linkpc.net/3206200207208206/Humanistic-Psychology-A-Clinical-Manifesto-a-Critique-of-Clinical-Psychology-and-the-Need-for-Progressive-Alternatives-by-David-N-Elkins.pdf
    • http://xiixmcuin.linkpc.net/9208206204207/The-Essential-Epicurus-by-Epicurus.pdf
    • http://xiixmcuin.linkpc.net/3207208206205200/Evolutionary-Psychology-5-e-by-David-M-Buss.pdf
    • http://xiixmcuin.linkpc.net/3209206209209205/Metamorphoses-Towards-a-Materialist-Theory-of-Becoming-by-Rosi-Braidotti.pdf
    • http://xiixmcuin.linkpc.net/6203202207201205/Duquesne-Studies-in-Phenomenological-Psychology-by-David-L-Smith.pdf
    • http://xiixmcuin.linkpc.net/1201207206200206205/Psychology-and-Life-by-Richard-J-Gerrig.pdf
    • http://xiixmcuin.linkpc.net/1209200202209204/Talking-Back-to-Dr-Phil-Alternatives-to-Mainstream-Psychology-by-David-Bedrick.pdf
    • http://xiixmcuin.linkpc.net/3207208208208209/Psychology-of-Individual-and-Group-Differences-A-series-of-books-in-psychology-by-Lee-Willerman.pdf
    • http://xiixmcuin.linkpc.net/3205205202202208/Pursuing-the-Good-Life-100-Reflections-on-Positive-Psychology-by-Christopher-Peterson.pdf
    • http://xiixmcuin.linkpc.net/5204209203202205/The-Absent-Gods-Trilogy-by-David-Debord.pdf
    • http://xiixmcuin.linkpc.net/5203206201209202/The-Garden-of-Epicurus-by-Anatole-France.pdf
    • http://xiixmcuin.linkpc.net/5206209205201207/Epicurus-The-Sage-by-William-Messner-Loebs.pdf
    • http://xiixmcuin.linkpc.net/4200209201208201/Strange-Gods-Unmasking-the-Idols-in-Everyday-Life-by-Elizabeth-Scalia.pdf
    • http://xiixmcuin.linkpc.net/4204208208206206/Infinite-Potential-The-Life-and-Times-of-David-Bohm-by-F-David-Peat.pdf
    • http://xiixmcuin.linkpc.net/3203205206204203/The-Time-Paradox-The-New-Psychology-of-Time-That-Will-Change-Your-Life-by-Philip-G-Zimbardo.pdf
    • http://xiixmcuin.linkpc.net/1208207207201/Tao-of-Music-Sound-Psychology-Using-Music-to-Change-Your-Life-by-John-M-Ortiz.pdf
    • http://xiixmcuin.linkpc.net/3207208209202205/Swamplands-of-the-Soul-New-Life-in-Dismal-Places-Studies-in-Jungian-Psychology-by-Jungian-Analysts-73-by-James-Hollis.pdf
    • http://xiixmcuin.linkpc.net/1201207206200206205/Psychology-and-Life-by-Ric