Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa46f31d61df7631…

MALICIOUS

PDF

16.7 KB Created: 2019-05-02 14:18:37 +01:00 Authoring application: mPDF 5.7
MD5: 410d8ad44361b900b4c7db7b3705d796 SHA-1: 319293910565354f64f05d4a432b046238def057 SHA-256: fa46f31d61df7631e0d7478ad2e55923fad9365b0817ca63b786bba4df1bc401
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF document was identified as malicious due to a critical heuristic firing for a PDF SEO link farm. It contains numerous embedded links, primarily to external PDF files hosted on 'loaminoo.linkpc.net'. While the URLs themselves are currently marked as benign, the sheer volume and structure suggest a malicious intent to distribute potentially harmful content or engage in traffic redirection. No scripts were extracted from this sample.

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/5098099098090095/Hunter-x-Hunter-Vol-19-Hunter-x-Hunter-19-by-Yoshihiro-Togashi.pdf
    • http://loaminoo.linkpc.net/5098099098091094/Hunter-x-Hunter-Vol-28-Hunter-x-Hunter-28-by-Yoshihiro-Togashi.pdf
    • http://loaminoo.linkpc.net/3099092090096/Hunter-x-Hunter-Vol-01-Hunter-x-Hunter-1-by-Yoshihiro-Togashi.pdf
    • http://loaminoo.linkpc.net/5098099098091093/Hunter-x-Hunter-Vol-27-Hunter-x-Hunter-27-by-Yoshihiro-Togashi.pdf
    • http://loaminoo.linkpc.net/5098099098097090/Hunter-x-Hunter-Vol-23-Hunter-x-Hunter-23-by-Yoshihiro-Togashi.pdf
    • http://loaminoo.linkpc.net/1097096092099093/Hunter-x-Hunter-Vol-14-The-Secret-of-Greed-Island-by-Yoshihiro-Togashi.pdf
    • http://loaminoo.linkpc.net/3098099094093/The-Guardian-Dark-Hunter-20-Dream-Hunter-5-Were-Hunter-6-Hellchaser-3-by-Sherrilyn-Kenyon.pdf
    • http://loaminoo.linkpc.net/1093095091098095/Redemption-Dark-Hunter-20-5-Dream-Hunter-5-5-Were-Hunter-6-5-by-Sherrilyn-Kenyon.pdf
    • http://loaminoo.linkpc.net/3090091091091095/Dark-Bites-Dream-Hunter-1-Hellchaser-1-Were-Hunter-1-Dark-Hunter-2-5-2-6-7-5-9-5-9-6-10-5-by-Sherrilyn-Kenyon.pdf
    • http://loaminoo.linkpc.net/1096094099091096/Bad-Moon-Rising-Dark-Hunter-18-Were-Hunter-4-Hellchaser-2-by-Sherrilyn-Kenyon.pdf
    • http://loaminoo.linkpc.net/4096098092094/Upon-the-Midnight-Clear-Dark-Hunter-12-Dream-Hunter-2-by-Sherrilyn-Kenyon.pdf
    • http://loaminoo.linkpc.net/2091092093094090/Hunter-s-War-Legend-of-the-Wild-Hunter-Book-4-by-Garry-Spoor.pdf
    • http://loaminoo.linkpc.net/4093099092096097/The-Immortal-Hunter-Argeneau-11-Rogue-Hunter-2-by-Lynsay-Sands.pdf
    • http://loaminoo.linkpc.net/3097097097096/The-Renegade-Hunter-Argeneau-12-Rogue-Hunter-3-by-Lynsay-Sands.pdf
    • http://loaminoo.linkpc.net/4091095099097/The-Immortal-Hunter-Argeneau-11-Rogue-Hunter-2-by-Lynsay-Sands.pdf
    • http://loaminoo.linkpc.net/2098095093091095/The-Renegade-Hunter-Argeneau-12-Rogue-Hunter-3-by-Lynsay-Sands.pdf
    • http://loaminoo.linkpc.net/2098090098094096/Unleash-the-Night-Dark-Hunter-9-Were-Hunter-4-by-Sherrilyn-Kenyon.pdf
    • http://loaminoo.linkpc.net/1099092090091093/The-Guardian-Dream-Hunter-5-Were-Hunter-9-Hellchaser-4-by-Sherrilyn-Kenyon.pdf
    • http://loaminoo.linkpc.net/2094098092093091/The-Hunter-Robert-Hunter-Series-0-5-by-Chris-Carter.pdf
    • http://loaminoo.linkpc.net/9096096098090/Hunter-The-Hunter-Saga-1-by-Sarai-Henderson.pdf
    • http://loaminoo.linkpc.net/1093095

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