Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f3905cd7044b8b3…

MALICIOUS

PDF

16.1 KB Created: 2019-04-30 02:07:43 +01:00 Authoring application: mPDF 5.7
MD5: c956ba91d6422d0042323442adff31a5 SHA-1: 5fa32600709bd14c130c2c2a759acb79150d623c SHA-256: 0f3905cd7044b8b379c50676c754083fa9c25791abc1a732362ecd08a4c65466
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 poisoning or to distribute malicious content. The ML classifier also flagged this PDF as malicious. The primary attack pattern observed is the distribution of links to external resources, likely to drive traffic or distribute further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/1099097099090094/Krapp-s-Last-Tape-and-Other-Dramatic-Pieces-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/2099096091095096/Krapp-s-Last-Tape-and-Other-Dramatic-Pieces-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/5090092095095096/The-Grove-Centenary-Editions-of-Samuel-Beckett-Boxed-Set-Contains-Novels-I-and-II-of-Samuel-Beckett-The-Dramatic-Works-of-Samuel-Beckett-and-The-Poems-Short-Fiction-and-Critcism-of-Samuel-Beckett-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/7099098092096/Novels-II-of-Samuel-Beckett-Volume-II-of-The-Grove-Centenary-Editions-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/1093096096097099/How-it-Is-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/7092092097093099/Eh-Joe-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/2099094095091099/Watt-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/4097097094099098/Watt-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/1093097096090099/Worstward-Ho-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/7093090095090097/Proust-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/2091095092093099/Murphy-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/2097096094092092/Ends-and-Odds-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/1098094090090096/Waiting-for-Godot-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/5098095091094090/Samuel-Beckett-by-Anthony-Cronin.pdf
    • http://loaminoo.linkpc.net/1099098090096096/First-Love-and-Other-Novellas-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/7098090094099/Mercier-and-Camier-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/9093099091093091/Waiting-for-Godot-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/8090094090099/Collected-Shorter-Plays-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/3093091099095093/Nohow-On-Company-Ill-Seen-Ill-Said-Worstward-Ho-by-Samuel-Beckett.pdf
    • http://loaminoo.linkpc.net/7091095096099099/Samuel-Beckett-and-the-Terror-of-Literature-by-Christopher-Langlois.pdf

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