Malicious PDF — malware analysis report

Static analysis result for SHA-256 17ccc8c83dcc404e…

MALICIOUS

PDF

18.8 KB Created: 2019-04-30 18:36:41 +01:00 Authoring application: mPDF 5.7
MD5: 4de4afd518e0680c8d70a50ddd8e6a1b SHA-1: 058680707379c4b4a2c19135bb58c212d35653da SHA-256: 17ccc8c83dcc404e8cdb228ee02aaaf46b3c03741bd641472bba0c83c7b1a27d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links are presented in a way that suggests they are part of a link farm, likely intended to manipulate search engine rankings or to host malicious content. The ML classifier also flagged this PDF as malicious with high confidence. The embedded URLs, while currently marked as benign, are the primary indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/1091095095095099095/In-the-Wind-a-Kid-s-Guide-to-Zaanse-Schans-Netherlands-by-Penelope-Dyan.pdf
    • http://loaminoo.linkpc.net/1091095095097090091/Museum-in-Noord-Holland-Luchthaven-Schiphol-Zaanse-Schans-Museumstoomtram-Hoorn---Medemblik-Gemaal-de-Cruquius-by-Wikipedia.pdf
    • http://loaminoo.linkpc.net/1090095096098093096/InterGest-Investment-Guide-The-Netherlands-by-Rumo-De-Schutter.pdf
    • http://loaminoo.linkpc.net/5095090096091091/Haruki-Murakami-s-The-Wind-up-Bird-Chronicle-A-Reader-s-Guide-by-Matthew-Strecher.pdf
    • http://loaminoo.linkpc.net/1091095095096099090/Europees-Asielbeleid-in-2000-Dossier-Europa-by-Wil-van-der-Schans.pdf
    • http://loaminoo.linkpc.net/6092095099091/You-Can-Never-Go-Home-Again-by-Dyan-Sheldon.pdf
    • http://loaminoo.linkpc.net/6090092092097/Save-the-Last-Dance-for-Me-by-Dyan-Sheldon.pdf
    • http://loaminoo.linkpc.net/1091096098091094/My-Worst-Best-Friend-by-Dyan-Sheldon.pdf
    • http://loaminoo.linkpc.net/7095092094099095/An-Assessment-of-Cameroons-Wind-and-Solar-Energy-Potential-A-Guide-for-a-Sustainable-Economic-Development-by-Bobbo-Nfor-Tansi.pdf
    • http://loaminoo.linkpc.net/6096091091090099/Cartoville-New-York-avec-P-n-lope-Bagieu-by-P-n-lope-Bagieu.pdf
    • http://loaminoo.linkpc.net/7097092090091094/Sophie-Pitt-Turnbull-Discovers-America-by-Dyan-Sheldon.pdf
    • http://loaminoo.linkpc.net/4094096091093/The-Wind-on-Fire-Trilogy-The-Wind-Singer-Slaves-of-the-Mastery-Firesong-by-William-Nicholson.pdf
    • http://loaminoo.linkpc.net/3096095098090093/Court-of-Secrets-A-Why-Choose-Fantasy-Romance-Book-1-by-Dyan-Chick.pdf
    • http://loaminoo.linkpc.net/1092095096096098/The-Wind-Singer-Wind-on-Fire-trilogy-1-by-William-Nicholson.pdf
    • http://loaminoo.linkpc.net/5099098091098092/Penelope-Crumb-Penelope-Crumb-1-by-Shawn-K-Stout.pdf
    • http://loaminoo.linkpc.net/4090093090094093/History-of-the-Jews-in-the-Netherlands-by-J-C-H-Blom.pdf
    • http://loaminoo.linkpc.net/8090092093094090/Passeport-Gastronomique-The-Netherlands-by-G-Scholten.pdf
    • http://loaminoo.linkpc.net/6094093091093098/Queen-Maxima-of-the-Netherlands-by-Liesbeth-Heenk.pdf
    • http://loaminoo.linkpc.net/4090093090095090/The-Revolt-of-the-Netherlands-1555-1609-by-Pieter-Geyl.pdf
    • http://loaminoo.linkpc.net/4094098090098090/The-Undutchables-An-Observation-of-the-Netherlands-Its-Culture-and-Its-Inhabitants-by-Colin-White.pdf