Malicious PDF — malware analysis report

Static analysis result for SHA-256 e8d222bfe9baf490…

MALICIOUS

PDF

12.5 KB Created: 2019-04-30 04:01:43 +01:00 Authoring application: mPDF 5.7
MD5: 047522af7b36c568a7852c463f787048 SHA-1: eb2c5b55109691a0ebef87f387657b504492a8d3 SHA-256: e8d222bfe9baf490421e0c5f22ddbcddd4794d8f5342e7b875947447e41e307c
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass external link farm, directing users to numerous PDF files hosted on loaminoo.linkpc.net. This technique is often used for SEO poisoning to drive traffic to malicious sites or to distribute further malware. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8780

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/3092098094091/Origin-Lux-4-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/4096094093098/Don-t-Look-Back-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/3092094090096/Obsidian-Lux-1-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/4096094094090/Opposition-Lux-5-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/4090091097093096/Oblivion-Lux-1-5-2-5-3-5-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/5090090097090093/Obsidian-Lux-1-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/4092099095091099/Obsidian-Lux-1-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/4098093093092094/Shadows-Lux-0-5-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/6095092099095095/Obsidian-Lux-1-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/3093092092093099/Opal-Lux-3-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/6095093091093098/Opposition-Lux-5-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/6094091095/If-There-s-No-Tomorrow-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/3090097091099/Onyx-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/1094098093094097/Pure-Covenant-2-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/2091093091091095/Daimon-Covenant-0-5-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/5092094097/The-Struggle-Titan-3-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/4091096097090090/The-Dead-List-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/4099098096096090/Elixir-Covenant-3-5-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/3093093092098/Deity-Covenant-3-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/3092092093093099/Pure-Covenant-2-by-Jennifer-L-Armentrout.pdf
    • http://loaminoo.linkpc.net/1094