Malicious PDF — malware analysis report

Static analysis result for SHA-256 378091f72de15b8b…

MALICIOUS

PDF

13.7 KB Created: 2019-04-30 04:35:13 +01:00 Authoring application: mPDF 5.7
MD5: a028b0719dab97e92dfac3f636ba926f SHA-1: a132ebc0dd5e8c94502d32e7fd68eb953921afe7 SHA-256: 378091f72de15b8b500d058717a6fae96d044638bfd0cfee6c4a569335e05e09
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file was flagged by a machine learning classifier as malicious. Static analysis revealed a large number of embedded URLs, many of which are numeric slugs pointing to book titles, suggesting a link farm or SEO manipulation tactic. The primary heuristic identified this as a PDF SEO link farm, indicating a potential attempt to distribute malicious content or engage in deceptive practices through a large number of external links.

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/1098099093096090/Jax-The-Protectors-8-by-Teresa-Gabelman.pdf
    • http://loaminoo.linkpc.net/1098099094099090/Sid-The-Protectors-4-by-Teresa-Gabelman.pdf
    • http://loaminoo.linkpc.net/1091096099095094/Duncan-The-Protectors-3-by-Teresa-Gabelman.pdf
    • http://loaminoo.linkpc.net/1093092093091094/Adam-The-Protectors-5-by-Teresa-Gabelman.pdf
    • http://loaminoo.linkpc.net/1098099094096098/A-Warrior-Wedding-The-Protectors-7-by-Teresa-Gabelman.pdf
    • http://loaminoo.linkpc.net/1098099090097090/Invisible-Warrior-The-Protectors-11-by-Teresa-Gabelman.pdf
    • http://loaminoo.linkpc.net/3091090099097092/Sanctuary-by-Teresa-Gabelman.pdf
    • http://loaminoo.linkpc.net/3091090099094097/Blind-Faith-by-Teresa-Gabelman.pdf
    • http://loaminoo.linkpc.net/3099099094096094/The-Young-Protectors-Engaging-The-Enemy-The-Young-Protectors-1-by-Alex-Woolfson.pdf
    • http://loaminoo.linkpc.net/2091090096091099/The-Life-of-Saint-Teresa-of-vila-by-Herself-by-Teresa-of-vila.pdf
    • http://loaminoo.linkpc.net/2097096090099093/The-Protectors-by-Lillian-Bishop.pdf
    • http://loaminoo.linkpc.net/3092094099095099/The-Protectors-by-James-Piper.pdf
    • http://loaminoo.linkpc.net/4098096094098098/Christian-The-Protectors-Book-1-by-L-Ann-Marie.pdf
    • http://loaminoo.linkpc.net/3093097092094092/Salvation-The-Protectors-2-by-Sloane-Kennedy.pdf
    • http://loaminoo.linkpc.net/1090099093092096/Protectors-of-The-Wood-1-by-John-KixMiller.pdf
    • http://loaminoo.linkpc.net/3090090090090092/The-League-of-Protectors-by-Christian-Green.pdf
    • http://loaminoo.linkpc.net/6096092096096/Marked-Dark-Protectors-7-by-Rebecca-Zanetti.pdf
    • http://loaminoo.linkpc.net/3099091092096097/Marked-Dark-Protectors-7-by-Rebecca-Zanetti.pdf
    • http://loaminoo.linkpc.net/2099097091094091/Shadowed-Dark-Protectors-6-by-Rebecca-Zanetti.pdf
    • http://loaminoo.linkpc.net/8095095096099095/Seized-by-Seduction-The-Protectors-2-by-Brenda-Jackson.pdf
    • http://loaminoo.linkpc.net/3093097092094092/Salvation-The-Protectors-2-by-Sloane-Ke

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