Malicious PDF — malware analysis report

Static analysis result for SHA-256 60874a4245208315…

MALICIOUS

PDF

15.9 KB Created: 2019-11-07 21:06:33 +00:00 Authoring application: mPDF 5.7
MD5: d31738c57d22f694cfe23ee80bec16a5 SHA-1: eb3cbd09ed812c5ca12c6d34706aeda793103e46 SHA-256: 60874a4245208315c11c2a24c10f60ae5a445b4f2bfba026b8e76ccb01dbc187
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. While the document body is heavily obfuscated, the presence of numerous external links suggests an attempt to manipulate search engine results or redirect users to potentially malicious content. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9800

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://cefasfese.4pu.com/3734734736738730/The-Heretic-by-Lewis-M-Weinstein.pdf
    • http://cefasfese.4pu.com/3734734739738736/The-Pope-s-Conspiracy-by-Lewis-M-Weinstein.pdf
    • http://cefasfese.4pu.com/2739732730733739/Yokai-by-Rebecca-Weinstein.pdf
    • http://cefasfese.4pu.com/2731737736731735/The-Mourning-After-by-Rochelle-B-Weinstein.pdf
    • http://cefasfese.4pu.com/4736731733734731/The-Anarchist-s-Girlfriend-by-Susan-I-Weinstein.pdf
    • http://cefasfese.4pu.com/6730738734735734/Miss-Goldmann-in-Bed-by-Rachel-Weinstein.pdf
    • http://cefasfese.4pu.com/8738734737732/East-Coast-Crisis-V-2-by-Howard-Weinstein.pdf
    • http://cefasfese.4pu.com/6730738734735733/Miss-Goldmann-Sleeps-in-the-Nude-by-Rachel-Weinstein.pdf
    • http://cefasfese.4pu.com/5736731738737730/Alice-s-Adventures-in-Wonderland-and-Through-the-Looking-Glass-by-Lewis-Carroll-with-an-excerpt-from-The-Life-and-Letters-of-Lewis-Carroll-by-Lewis-Carroll.pdf
    • http://cefasfese.4pu.com/6730735738732735/Earth-Magic-Rev-Ed-A-Book-of-Shadows-for-Positive-Witches-by-Marion-Weinstein.pdf
    • http://cefasfese.4pu.com/1730737736731737733/The-Ultimate-Muffin-Book-More-Than-600-Recipes-for-Sweet-and-Savory-Muffins-by-Bruce-Weinstein.pdf
    • http://cefasfese.4pu.com/7739736734739736/A-Soviet-Heretic-by-Yevgeny-Zamyatin.pdf
    • http://cefasfese.4pu.com/7739738739733736/The-Heretic-s-Child-by-Nyasia-A-Maire.pdf
    • http://cefasfese.4pu.com/1736731730732731/The-First-Heretic-by-Aaron-Dembski-Bowden.pdf
    • http://cefasfese.4pu.com/2733739732739738/The-Heretic-Queen-by-Michelle-Moran.pdf
    • http://cefasfese.4pu.com/3739738737733739/The-Heretic-by-Henry-Vyner-Brooks.pdf
    • http://cefasfese.4pu.com/4737736735731734/The-Heretic-Beyond-the-Wall-1-by-Lucas-Bale.pdf
    • http://cefasfese.4pu.com/8733738734733738/Zamyatin-A-Soviet-Heretic-by-D-J-Richards.pdf
    • http://cefasfese.4pu.com/4735731732735734/The-Heretic-s-Daughter-by-Kathleen-Kent.pdf
    • http://cefasfese.4pu.com/3736737733735/The-Heretic-s-Daughter-by-Kathleen-Kent.pdf

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