Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb84d22db31054c2…

MALICIOUS

PDF

15.5 KB Created: 2019-05-02 05:17:36 +01:00 Authoring application: mPDF 5.7
MD5: f640e1f0c69d07b77a1a7286dee657f0 SHA-1: d1c36d91dc11fc8277f88563bd0c41a6ff7496f8 SHA-256: fb84d22db31054c26a520cb01feeabb7c523d3e90ef2c87716f846da14ea4a5f
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 PDF_SEO_LINK_FARM heuristic. While many of these URLs point to benign content, the sheer volume and the ML classifier's high confidence score suggest a malicious intent, possibly for SEO manipulation or to distribute further malicious payloads. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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/2090092095097090/True-Love-s-Fire-A-Red-Hot-Valentine-Story-Hell-Yeah-12-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/1097091097094098/Burning-Love-Hell-Yeah-Cajun-Style-1-Hell-Yeah-6-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/2090092095095093/Finding-Dandi-Hell-Yeah-Cajun-Style-3-Hell-Yeah-9-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/1092093094096096/Hot-on-Her-Trail-Hell-Yeah-2-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/3098094093094092/Hot-On-Her-Trail-Hell-Yeah-2-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/1096099099096090/Badass-Hell-Yeah-5-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/2090092093094095/Forget-Me-Never-Hell-Yeah-7-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/2090092095095099/Skye-Blue-Hell-Yeah-10-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/2090092096091096/How-to-Rope-a-McCoy-Hell-Yeah-15-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/4099096092096097/Yeah-Yeah-Yeah-The-Story-of-Pop-Music-from-Bill-Haley-to-Beyonc-by-Bob-Stanley.pdf
    • http://loaminoo.linkpc.net/1098094096095094/Love-s-Magic-Spell-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/1098095096090092/Fire-on-the-Mountain-The-True-Story-of-the-South-Canyon-Fire-by-John-N-Maclean.pdf
    • http://loaminoo.linkpc.net/9099094091095/Our-Flop-Love-Story-till-Valentine-by-Athira-Bhargavan.pdf
    • http://loaminoo.linkpc.net/3092096093090093/Godsend-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/3094095096091099/T-R-O-U-B-L-E-Texas-Heat-1-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/1094090097091094/The-Circus-Fire-A-True-Story-of-an-American-Tragedy-by-Stewart-O-39-Nan.pdf
    • http://loaminoo.linkpc.net/2095095091097098/The-Heart-of-a-Soldier-A-True-Love-Story-of-Love-War-and-Sacrifice-by-Kate-Blaise.pdf
    • http://loaminoo.linkpc.net/1098094096095097/Sweet-Evangeline-Moon-Magic-2-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/7093094099099/They-Poured-Fire-on-Us-from-the-Sky-The-True-Story-of-Three-Lost-Boys-from-Sudan-by-Benson-Deng.pdf
    • http://loaminoo.linkpc.net/1097091097093099/Unchained-Melody-Hill-Country-Heart-1-by-Sable-Hunter.pdf
    • http://loaminoo.linkpc.net/90

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