Malicious PDF — malware analysis report

Static analysis result for SHA-256 206ebf135ffaaa63…

MALICIOUS

PDF

16.4 KB Created: 2019-05-04 13:52:37 +01:00 Authoring application: mPDF 5.7
MD5: 5e72a01c163ed33512768ce4f7a12f8e SHA-1: 93e32e6682cca816298d375f0f2b48b76ba05aaf SHA-256: 206ebf135ffaaa63615e7cf09b6f47e6de2609bc656223e59ea6a69f39bcda53
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded URLs pointing to external PDF documents, primarily hosted on the dynamic DNS domain 'xiixmcuin.linkpc.net'. This technique is often used for SEO poisoning or to distribute malicious content indirectly. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure. The primary attack pattern observed is the mass linking to external resources.

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://xiixmcuin.linkpc.net/9202209205204205/1Q84-BOOK2-7-9-1Q84-2-Vol-2-of-2-by-Haruki-Murakami.pdf
    • http://xiixmcuin.linkpc.net/1208204200201200/1Q84-1Q84-1-3-by-Haruki-Murakami.pdf
    • http://xiixmcuin.linkpc.net/4200205207207208/1Q84-by-Haruki-Murakami.pdf
    • http://xiixmcuin.linkpc.net/4208205202203200/1Q84-by-Haruki-Murakami.pdf
    • http://xiixmcuin.linkpc.net/4201200205205206/1Q84-Books-One-and-Two-by-Haruki-Murakami.pdf
    • http://xiixmcuin.linkpc.net/9202209205204208/Free-Talk-on-Haruki-Murakami-1Q84-by-Ben-She.pdf
    • http://xiixmcuin.linkpc.net/9206200208209201/1Q84-Bundle-2-Book-Series-by-Haruki-Murakami.pdf
    • http://xiixmcuin.linkpc.net/9202209206200207/1Q84-Libro-1-de-Haruki-Murakami-Gu-a-de-lectura-Resumen-y-an-lisis-completo-by-ResumenExpress-com.pdf
    • http://xiixmcuin.linkpc.net/7207200201202207/An-Unauthorized-Guide-to-Haruki-Murakami-A-Short-Biography-of-the-Author-of-1Q84-and-Colorless-Tsukuru-Tazaki-and-His-Years-of-Pilgrimage-Article-by-Malcolm-Stone.pdf
    • http://xiixmcuin.linkpc.net/5205200206202203/Works-by-Haruki-Murakami-Study-Guide-Books-by-Haruki-Murakami-Novels-by-Haruki-Murakami-Short-Story-Collections-by-Haruki-Murakami-by-Books-LLC.pdf
    • http://xiixmcuin.linkpc.net/5205200205207205/Scheherazade-by-Haruki-Murakami.pdf
    • http://xiixmcuin.linkpc.net/1207207200207203/After-Dark-by-Haruki-Murakami.pdf
    • http://xiixmcuin.linkpc.net/8206203200209202/Sputnik-Sweetheart-by-Haruki-Murakami.pdf
    • http://xiixmcuin.linkpc.net/5200200204203204/Pinball-1973-by-Haruki-Murakami.pdf
    • http://xiixmcuin.linkpc.net/9203205207/Killing-Commendatore-by-Haruki-Murakami.pdf
    • http://xiixmcuin.linkpc.net/3206203206206/The-Elephant-Vanishes-by-Haruki-Murakami.pdf
    • http://xiixmcuin.linkpc.net/1201204201205208200/A-Peregrina-o-do-Rapaz-Sem-Cor-by-Haruki-Murakami.pdf
    • http://xiixmcuin.linkpc.net/5205200205201207/Haruki-Murakami-by-Mark-Mussari.pdf
    • http://xiixmcuin.linkpc.net/8201209203201205/Norwegian-Wood-by-Haruki-Murakami.pdf
    • http://xiixmcuin.linkpc.net/5205200206201209/Hunting-Knife-by-Haruki-Murakami.pdf
    • http://xiixmcuin.linkpc.net/9202209206200207/1Q84-Libro-1-de-Haruki-Murakami-Gu-a-de-lectura-Resumen-y-an-lisis-completo-by-ResumenExpre

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