Malicious PDF — malware analysis report

Static analysis result for SHA-256 09aadcf7dd6ddf0c…

MALICIOUS

PDF

12.0 KB Created: 2019-05-02 18:58:11 +01:00 Authoring application: mPDF 5.7
MD5: ec389e662850ff84d4fa9a6b9164bb4b SHA-1: 0518399581d3273bd159dc3033b795ba47b4f858 SHA-256: 09aadcf7dd6ddf0c4aaa8c51d59f54933c16ef2fbc79261bff4e1d37f68e1b1f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the embedded links suggest an attempt to redirect the user to potentially harmful content, aligning with a spearphishing attachment tactic.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8737

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://xiixmcuin.linkpc.net/6201205208208209/Flack-Jacket-Love-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/4201203208209205/Almost-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/4204208200201200/Three-of-a-Kind-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/4207209201207200/Center-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/4200202205209207/Just-the-Right-Notes-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/4201208205206206/Wallflowers-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/4206209208208201/Cupcakes-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/4201200209204202/Cupcakes-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/9207203204209205/Behind-the-Lens-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/6201205207209200/Old-Ghosts-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/3203201204206203/Beaten-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/2205207206200200/Working-It-Out-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/4200202205209208/Top-Bidder-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/1209202204201204/Caged-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/4203202204201206/Balls-and-Strikes-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/2205205207208203/Found-Hammer-3-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/4205200204203207/Personal-Best-3-A-Going-for-the-Gold-Novel-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/3203200204204204/Burn-Hammer-10-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/2209208203206202/Stand-to-Attention-by-Sean-Michael.pdf
    • http://xiixmcuin.linkpc.net/4201209205208207/Made-to-Order-by-Sean-Michael.pdf

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