Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d20870c718a0d63…

MALICIOUS

PDF

12.5 KB Created: 2019-04-30 04:24:11 +01:00 Authoring application: mPDF 5.7
MD5: d72f28bf1033b8c117ec6bb0d667411f SHA-1: 21caa964882d5caa03a03a049ffad1c49598d177 SHA-256: 6d20870c718a0d63415ae0e82018f614d28f6b3f5b2af3a722b8a1fd3646cc6e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or phishing attempt. While no scripts were extracted, the presence of embedded URLs within the document body indicates an attempt to redirect the user to external, potentially malicious, content. The ML classifier also flagged the document as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8780

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/2092097094098090/Joe-R-Lansdale-s-The-Drive-In-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/2091095095099097/The-Complete-Drive-In-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/4098091094090090/The-Complete-Drive-In-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/8092093092099098/Blood-Dance-The-Lost-Lansdale-3-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/8092093093095096/Hyenas-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/3097098092095096/The-Nightrunners-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/6094096097094096/Dead-Aim-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/8092093093099097/Hot-in-December-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/8092093093099095/Prisoner-489-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/3096092097094095/Act-of-Love-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/8092093094092095/The-God-of-the-Razor-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/2094096094095098/Cold-in-July-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/2096098093097099/Lost-Echoes-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/8092093094093094/Waltz-of-Shadows-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/2096094094098096/Sunset-and-Sawdust-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/6090093095098090/H-P-Lovecraft-s-the-Dunwich-Horror-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/1096096097092096/A-Bombing-Enigma-by-Angelika-Lansdale.pdf
    • http://loaminoo.linkpc.net/3096090090096098/Honky-Tonk-Samurai-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/3092096091097098/A-Fine-Dark-Line-by-Joe-R-Lansdale.pdf
    • http://loaminoo.linkpc.net/8092093094099094/Joe-R-Lansdale-an-Interview-by-Roberto-Bommarito.pdf

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