Malicious PDF — malware analysis report

Static analysis result for SHA-256 708110eeeca03e72…

MALICIOUS

PDF

18.9 KB Created: 2020-02-10 16:12:18 +00:00 Authoring application: mPDF 5.7
MD5: 4b3aec13c7b7d820e741127d2ebfd8f0 SHA-1: a327e6559b5a8fe58f111fb835da3560f2b2aa5f SHA-256: 708110eeeca03e72a5d597c412c017d418510c67ca3b61c78a2d65552e0e430f
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, many of which are disguised as book titles, indicating a link farm designed to trick users into downloading further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. The embedded URLs are the primary IOCs, suggesting a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9775

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://ujcsiniio.myhome.cx/6cd0cd3cd7cd1cd3/Good-Goodbyes-Knowing-How-to-End-in-Psychotherapy-and-Psychoanalysis-by-Jack-Novick.pdf
    • http://ujcsiniio.myhome.cx/3cd8cd6cd4cd8cd8/The-Supervisory-Encounter-A-Guide-for-Teachers-of-Psychodynamic-Psychotherapy-and-Psychoanalysis-by-Daniel-Jacobs.pdf
    • http://ujcsiniio.myhome.cx/6cd0cd3cd7cd2cd7/the-essence-of-masochism-by-novick-j-novick-k-k-.pdf
    • http://ujcsiniio.myhome.cx/2cd3cd7cd7cd6cd8/Psychotherapy-A-Few-Good-Tricks-by-Thomas-Hodge.pdf
    • http://ujcsiniio.myhome.cx/1cd0cd3cd9cd8cd2cd6/The-Good-Story-Exchanges-on-Truth-Fiction-and-Psychotherapy-by-J-M-Coetzee.pdf
    • http://ujcsiniio.myhome.cx/1cd6cd0cd9cd1cd1/The-Good-War-Why-We-Couldn-t-Win-the-War-or-the-Peace-in-Afghanistan-by-Jack-Fairweather.pdf
    • http://ujcsiniio.myhome.cx/6cd0cd3cd6cd4cd8/Honorable-Justice-by-Sheldon-Novick.pdf
    • http://ujcsiniio.myhome.cx/4cd4cd9cd5cd3cd0/In-Between-Goodbyes-by-Christina-Wible.pdf
    • http://ujcsiniio.myhome.cx/6cd0cd3cd6cd2cd6/The-Holocaust-in-American-Life-by-Peter-Novick.pdf
    • http://ujcsiniio.myhome.cx/3cd3cd8cd3cd5cd7/Destructive-Goodbyes-Luxe-4-by-H-Q-Frost.pdf
    • http://ujcsiniio.myhome.cx/5cd5cd0cd9cd6cd4/Goodbyes-and-Second-Chances-Bleu-1-by-T-I-Lowe.pdf
    • http://ujcsiniio.myhome.cx/1cd1cd7cd3cd5cd7cd6/Praying-Our-Goodbyes-by-Joyce-Rupp.pdf
    • http://ujcsiniio.myhome.cx/1cd9cd8cd9cd0/Long-Goodbyes-by-Nikki-Baker.pdf
    • http://ujcsiniio.myhome.cx/1cd3cd2cd6cd6/The-Year-of-Goodbyes-by-Debbie-Levy.pdf
    • http://ujcsiniio.myhome.cx/6cd0cd3cd6cd3cd3/Fundamentals-of-Tibetan-Buddhism-by-Rebecca-McClen-Novick.pdf
    • http://ujcsiniio.myhome.cx/7cd3cd4cd7/A-Land-of-Permanent-Goodbyes-by-Atia-Abawi.pdf
    • http://ujcsiniio.myhome.cx/6cd0cd3cd7cd2cd2/Winning-Their-Spurs-The-Tottenham-Hotspur-Dream-Team-by-Jeremy-Novick.pdf
    • http://ujcsiniio.myhome.cx/4cd3cd7cd3cd8cd8/Loves-kerbsides-and-goodbyes-a-backpacker-s-road-by-David-McNamara.pdf
    • http://ujcsiniio.myhome.cx/9cd6cd1cd1cd4cd5/The-Good-Soldier-Jack-Noble-Early-Years-Bundle-Noble-Beginnings-amp-A-Deadly-Distance-by-L-T-Ryan.pdf
    • http://ujcsiniio.myhome.cx/6cd0cd3cd6cd3cd2/The-Painting-Path-Embodying-Spiritual-Discovery-Through-Yoga-Brush-and-Color-by-Linda-Novick.pdf

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