Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e5d5ce68cac8231…

MALICIOUS

PDF

14.0 KB Created: 2019-04-30 02:48:16 +01:00 Authoring application: mPDF 5.7
MD5: 965e8ae1b2a8bd8d82e7685ff4296154 SHA-1: 1f84cd28b5605a09a4009e7a7908c4064298c78a SHA-256: 0e5d5ce68cac8231566dd54a27201db191b43ab95a4506063927d709036a0ccb
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links pointing to external PDF files, characteristic of a link farm. The ML classifier also flagged this document as malicious. The primary attack pattern observed is the distribution of numerous links, likely intended to direct users to potentially malicious content or to manipulate search engine rankings.

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/4097091092096091/John-Ball-s-In-the-Heat-of-the-Night-by-Matt-Pelfrey.pdf
    • http://loaminoo.linkpc.net/4094094096098099/Night-Of-The-Big-Heat-by-John-Lymington.pdf
    • http://loaminoo.linkpc.net/2092094094092096/Enduring-Night-More-Heat-Than-the-Sun-7-by-John-Wiltshire.pdf
    • http://loaminoo.linkpc.net/1094097095093097/Night-Heat-by-Desiree-Holt.pdf
    • http://loaminoo.linkpc.net/2094093094099098/The-Heat-of-the-Night-by-Lorraine-Elzia.pdf
    • http://loaminoo.linkpc.net/1090090090095090093/Night-of-the-Krampus-by-Matt-Lake.pdf
    • http://loaminoo.linkpc.net/2095094093097098/The-Night-Riders-by-Matt-Furie.pdf
    • http://loaminoo.linkpc.net/2092097095097093/30-Days-of-Night-Vol-5-Bloodsucker-Tales-by-Matt-Fraction.pdf
    • http://loaminoo.linkpc.net/7099091095097092/Ananda-Where-Yoga-Lives-by-John-Dudley-Ball.pdf
    • http://loaminoo.linkpc.net/1097093091099/In-the-Heat-of-the-Summer-by-John-Katzenbach.pdf
    • http://loaminoo.linkpc.net/1097092094091/Heat-Lightning-by-John-Lantigua.pdf
    • http://loaminoo.linkpc.net/5090092096096095/The-Cool-Cottontail-A-Virgil-Tibbs-mystery-novel-by-John-Dudley-Ball.pdf
    • http://loaminoo.linkpc.net/2096091093096/Heat-of-Fusion-and-Other-Stories-by-John-M-Ford.pdf
    • http://loaminoo.linkpc.net/1091098096094097090/Ball-Four-Plus-Ball-Five-An-Update-1970-1980-by-Jim-Bouton.pdf
    • http://loaminoo.linkpc.net/2093094090091092/Death-s-Ink-Black-Shadow-More-Heat-Than-the-Sun-6-by-John-Wiltshire.pdf
    • http://loaminoo.linkpc.net/2099097094092099/Conscious-Decisions-of-the-Heart-More-Heat-Than-The-Sun-2-by-John-Wiltshire.pdf
    • http://loaminoo.linkpc.net/9098096091093095/Fear-the-Night-Night-5-by-John-Lutz.pdf
    • http://loaminoo.linkpc.net/9098096091093093/The-Night-Spider-Night-3-by-John-Lutz.pdf
    • http://loaminoo.linkpc.net/4092095093099/Heat-Wave-Nikki-Heat-1-by-Richard-Castle.pdf
    • http://loaminoo.linkpc.net/4091092097096095/Wanton-Heat-Feel-the-Heat-2-by-Nicola-Marsh.pdf

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