Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ee810f10d726291…

MALICIOUS

PDF

14.7 KB Created: 2019-04-29 22:59:36 +01:00 Authoring application: mPDF 5.7
MD5: f80063a8441d139136424c29e18fdbd2 SHA-1: f4578b12145711b93747087e2ed2398ff4bd1b66 SHA-256: 3ee810f10d72629123429ca1a31bdef5ad90bcca18ad5f183ef02a43d6f5ebb3
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm. While the specific URLs themselves are currently marked as benign, the sheer volume and structure suggest a malicious intent, likely for SEO poisoning or to redirect users to malicious sites. The ML classifier strongly supports this assessment. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/1090094093099094/All-this-Time-Walker-Family-4-by-Melissa-Tagg.pdf
    • http://loaminoo.linkpc.net/4090099095094/From-the-Start-Walker-Family-1-by-Melissa-Tagg.pdf
    • http://loaminoo.linkpc.net/1090094093090099/Made-to-Last-Where-Love-Begins-1-by-Melissa-Tagg.pdf
    • http://loaminoo.linkpc.net/3098092097096095/Let-s-Pretend-We-Never-Met-by-Melissa-C-Walker.pdf
    • http://loaminoo.linkpc.net/3095090090097095/Dance-of-the-Bones-J-P-Beaumont-22-Walker-Family-5-by-J-A-Jance.pdf
    • http://loaminoo.linkpc.net/8098095095092/Zoe-the-Earless-Kitten-Zoe-Meets-the-Family-by-Melissa-Webb.pdf
    • http://loaminoo.linkpc.net/1090098093091097/Family-Secrets-Davenport-Manor-1-by-Melissa-Zaroski.pdf
    • http://loaminoo.linkpc.net/1090092090094096/Witches-of-East-End-The-Beauchamp-Family-1-by-Melissa-de-la-Cruz.pdf
    • http://loaminoo.linkpc.net/7093097096094/To-Free-a-Family-The-Journey-of-Mary-Walker-by-Sydney-Nathans.pdf
    • http://loaminoo.linkpc.net/2090093090098092/The-Spaniard-s-Inconvenient-Wife-Alcolar-Family-2-by-Kate-Walker.pdf
    • http://loaminoo.linkpc.net/4092091092090098/All-The-Time-You-Need-by-Melissa-Mayhue.pdf
    • http://loaminoo.linkpc.net/1092099093098096/Time-s-Echo-The-Chronos-Files-1-5-by-Rysa-Walker.pdf
    • http://loaminoo.linkpc.net/5096094096093094/Second-Time-s-the-Charm-Camp-Confidential-7-by-Melissa-J-Morgan.pdf
    • http://loaminoo.linkpc.net/8098097098090/Stopping-Time-Wicked-Lovely-2-5-by-Melissa-Marr.pdf
    • http://loaminoo.linkpc.net/3098096091092098/Violet-in-Private-Violet-3-by-Melissa-C-Walker.pdf
    • http://loaminoo.linkpc.net/4099098096092/Golden-Blood-Time-Spirit-Trilogy-1-by-Melissa-Pearl.pdf
    • http://loaminoo.linkpc.net/1093095098096091/Stopping-Time-and-Old-Habits-Wicked-Lovely-2-5-2-6-by-Melissa-Marr.pdf
    • http://loaminoo.linkpc.net/3099090091098093/Golden-Blood-Time-Spirit-Trilogy-1-by-Melissa-Pearl.pdf
    • http://loaminoo.linkpc.net/6093099090096097/Time-Trash-A-Family-Finds-Themselves-at-the-Battle-of-Gettysburg-by-Ray-Ouellette.pdf
    • http://loaminoo.linkpc.net/2091090091097096/A-Time-to-Dance-Keane-Morrison-Family-Saga-2-by-Anita-Stansfield.pdf
    • http://loaminoo.linkpc.net/5096094096093094/Second-Time-s-the-Charm-Camp-Confidential-7-by-Mel

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