Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2a8613db4413f9d…

MALICIOUS

PDF

13.8 KB Created: 2019-04-30 04:25:24 +01:00 Authoring application: mPDF 5.7
MD5: a32fd369d576c2fc18fbb82944b030df SHA-1: c0eb49302bd115efe80421723215777444b2381f SHA-256: c2a8613db4413f9dbf1d0e52ca808ed1fde6719752bda1a3a570922f5ec9c6fa
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, forming a link farm. The heuristic 'PDF_SEO_LINK_FARM' indicates this is a common technique for SEO poisoning or distributing malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, and the document body was heavily obfuscated, but the presence of numerous links to external PDFs suggests a delivery mechanism for further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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/4093094095097099/Captivated-by-Daddy-Daddy-s-Little-Captive-1-by-Bell-Pepper.pdf
    • http://loaminoo.linkpc.net/4093094095098093/Tamed-by-Daddy-Daddy-s-Little-Captive-2-by-Bell-Pepper.pdf
    • http://loaminoo.linkpc.net/1094094093095093/Daddy-s-Game-Daddy-s-Girls-2-by-Normandie-Alleman.pdf
    • http://loaminoo.linkpc.net/3095091092095092/Daddy-Morebucks-Daddy-s-Girl-1-by-Normandie-Alleman.pdf
    • http://loaminoo.linkpc.net/1096099096096096/Daddy-Morebucks-Daddy-s-Girl-1-by-Normandie-Alleman.pdf
    • http://loaminoo.linkpc.net/3092093093095098/Maximum-Puff-Daddy-The-Unauthorised-Biography-of-Puff-Daddy-by-Andy-Brewer.pdf
    • http://loaminoo.linkpc.net/1097095095093093/Daddy-Long-Legs-amp-Dear-Enemy-Daddy-Long-Legs-1-2-by-Jean-Webster.pdf
    • http://loaminoo.linkpc.net/2097099091099092/Becoming-Daddy-s-Girl-Daddy-s-Girl-4-by-Normandie-Alleman.pdf
    • http://loaminoo.linkpc.net/4093099098093098/Where-s-Your-Daddy-by-Sue-Ann-Jaffarian.pdf
    • http://loaminoo.linkpc.net/9093098092094099/Daddy-s-Got-You-by-M-R-Gott.pdf
    • http://loaminoo.linkpc.net/3090093099092/Outside-with-Lil-Boo-by-Daddy-Bookins.pdf
    • http://loaminoo.linkpc.net/2099099096097090/Will-You-Be-My-Daddy-by-FanofBellaandEdward.pdf
    • http://loaminoo.linkpc.net/1092095090095/The-Nine-Dollar-Daddy-by-Day-Leclaire.pdf
    • http://loaminoo.linkpc.net/3098096092096098/Daddy-by-Loup-Durand.pdf
    • http://loaminoo.linkpc.net/2090095099094095/Who-s-Your-Daddy-by-Lauren-Gallagher.pdf
    • http://loaminoo.linkpc.net/8091097091098091/Don-t-Tell-Daddy-by-Danni-Trantor.pdf
    • http://loaminoo.linkpc.net/1090092090098095/Don-t-Cry-Daddy-s-Here-by-Brinda-Carey.pdf
    • http://loaminoo.linkpc.net/1092098090091095/Bad-Boy-Daddy-by-Chance-Carter.pdf
    • http://loaminoo.linkpc.net/2096097096098093/Daddy-Who-Am-I-by-Monique-Curry.pdf
    • http://loaminoo.linkpc.net/1099092097092/Daddy-s-Roommate-by-Michael-Willhoite.pdf
    • http://loaminoo.linkpc.net

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