Malicious PDF — malware analysis report

Static analysis result for SHA-256 666419597eae99d0…

MALICIOUS

PDF

15.6 KB Created: 2019-05-02 01:58:37 +01:00 Authoring application: mPDF 5.7
MD5: 08e7bf748c2729531c377602ee1e9b54 SHA-1: 78e80259278388811bf1903e9ede5baac9d1b1fb SHA-256: 666419597eae99d0a8f8497d24d6c651716c26dfd8bc98bec003eadc8a42cadf
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO spam or to redirect users to malicious content. The ML classifier also flagged this document as malicious. While no scripts were extracted, the sheer volume of links and the dynamic DNS domain suggest a malicious intent to drive traffic or potentially distribute further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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/6095098096096/Almost-Married-A-Novel-about-Love-Longing-and-Last-Hurrahs-by-Tara-F-T-Sering.pdf
    • http://loaminoo.linkpc.net/4098094097092096/Between-Dinner-and-the-Morning-After-by-Tara-F-T-Sering.pdf
    • http://loaminoo.linkpc.net/1096092094095097/Longing-for-Love-Love-Lust-and-the-Longing-for-God-3-by-Justice-Saint-Rain.pdf
    • http://loaminoo.linkpc.net/2096097093091094/Longing-love-An-erotic-box-set-of-5-novellas-by-A-L-Wood.pdf
    • http://loaminoo.linkpc.net/9094098095092/Love-and-Longing-in-Bombay-by-Vikram-Chandra.pdf
    • http://loaminoo.linkpc.net/8098098094092/Worlds-of-Love-Loss-and-Longing-by-Beth-Mitchum.pdf
    • http://loaminoo.linkpc.net/5090097099095/By-the-Sea-Poems-of-Love-Longing-and-Lust-by-Feng-Zhou.pdf
    • http://loaminoo.linkpc.net/3090099094094097/The-Unexpected-Tales-of-Lust-Love-amp-Longing-by-R-R-Ennis.pdf
    • http://loaminoo.linkpc.net/2092092094092/Touching-Poems-of-Love-Longing-and-Desire-by-Sari-Friedman.pdf
    • http://loaminoo.linkpc.net/2098095090098090/The-Hours-After-Letters-of-Love-and-Longing-in-War-s-Aftermath-by-Gerda-Weissmann-Klein.pdf
    • http://loaminoo.linkpc.net/1096090094094093/Love-You-So-Hard-Love-You-So-Stories-1-by-Tara-Lain.pdf
    • http://loaminoo.linkpc.net/4097094098093092/Married-Love-by-Marie-Stopes.pdf
    • http://loaminoo.linkpc.net/3095093098090094/Married-Love-by-Tessa-Hadley.pdf
    • http://loaminoo.linkpc.net/3096096098095090/Married-Love-and-Other-Stories-by-Tessa-Hadley.pdf
    • http://loaminoo.linkpc.net/2093091094099094/CRUSH-Writers-Reflect-on-Love-Longing-and-the-Power-of-Their-First-Celebrity-Crush-by-Cathy-Alter.pdf
    • http://loaminoo.linkpc.net/2090090095091090/Married-with-Luggage-What-We-Learned-About-Love-by-Traveling-the-World-by-Warren-Talbot.pdf
    • http://loaminoo.linkpc.net/4095090098094098/A-Healing-Love-by-Tara-Chevrestt.pdf
    • http://loaminoo.linkpc.net/3093090091094099/Love-You-So-Hard-by-Tara-Lain.pdf
    • http://loaminoo.linkpc.net/9093099099098092/Acting-Married-Married-5-by-Victorine-E-Lieske.pdf
    • http://loaminoo.linkpc.net/9093099099097099/Blissfully-Married-Married-4-by-Victorine-E-Lieske.pdf

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