Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ba72c1b3ea47b82…

MALICIOUS

PDF

12.8 KB Created: 2019-04-30 02:52:25 +01:00 Authoring application: mPDF 5.7
MD5: cd1c133047ef20e6abf0f6dee3f5a452 SHA-1: bba50b5a04ccbcc75e54f8ded006868c37e020de SHA-256: 9ba72c1b3ea47b824baf089c96de4e40d6b8e962f4252fb504f70d5fbbe57fc5
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. While the document body is unreadable, the presence of numerous links to external PDFs hosted on 'loaminoo.linkpc.net' suggests a link farm or SEO manipulation tactic. The ML classifier also flagged this PDF as malicious. The primary attack pattern involves distributing these links, likely to drive traffic or potentially host malicious content disguised as books.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9006

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/1091097099098094097/Two-of-a-Kind-by-Abbie-Zanders.pdf
    • http://loaminoo.linkpc.net/1091097099098094095/Celestial-Desire-by-Abbie-Zanders.pdf
    • http://loaminoo.linkpc.net/1091097099099092091/Vampire-Unaware-by-Abbie-Zanders.pdf
    • http://loaminoo.linkpc.net/1091097099098090095/Five-Minute-Man-Covendale-1-by-Abbie-Zanders.pdf
    • http://loaminoo.linkpc.net/1097092092097090/First-and-Only-Callaghan-Brothers-2-by-Abbie-Zanders.pdf
    • http://loaminoo.linkpc.net/1091097099099091094/Wolf-Out-of-Water-Mythic-4-by-Abbie-Zanders.pdf
    • http://loaminoo.linkpc.net/7097098097094090/Celina-The-Connelly-Cousins-1-by-Abbie-Zanders.pdf
    • http://loaminoo.linkpc.net/7097098097094093/Johnny-The-Connelly-Cousins-2-by-Abbie-Zanders.pdf
    • http://loaminoo.linkpc.net/3092099093099097/Seeking-Vengeance-Callaghan-Brothers-4-by-Abbie-Zanders.pdf
    • http://loaminoo.linkpc.net/1091097099099091095/The-Oracle-at-Mythic-Mythic-3-by-Abbie-Zanders.pdf
    • http://loaminoo.linkpc.net/1091097099098094093/Lost-in-Time-I-Lost-in-Time-1-by-Abbie-Zanders.pdf
    • http://loaminoo.linkpc.net/3094098097095092/Letting-You-In-Letting-You-In-1-by-Nora-Flite.pdf
    • http://loaminoo.linkpc.net/8092091090097097/The-Navigator-by-Abbie-Goyette.pdf
    • http://loaminoo.linkpc.net/1098093095098092/Forbidden-by-Abbie-Williams.pdf
    • http://loaminoo.linkpc.net/2090092092098092/Tracks-To-Love-by-Abbie-St-Claire.pdf
    • http://loaminoo.linkpc.net/1090093098092090/Emma-s-Baby-by-Abbie-Taylor.pdf
    • http://loaminoo.linkpc.net/4091093091094090/Christmas-In-July-by-Abbie-St-Claire.pdf
    • http://loaminoo.linkpc.net/3098097098095091/The-Veiled-Soul-by-Abbie-Chandler.pdf
    • http://loaminoo.linkpc.net/8092098097090099/Conflicted-5th-Avenue-1-by-Abbie-St-Claire.pdf
    • http://loaminoo.linkpc.net/4098092098094094/Never-Let-Me-Fall-Fatal-Dreams-3-by-Abbie-Roads.pdf

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