Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2007ef024cd223d…

MALICIOUS

PDF

21.8 KB Created: 2019-05-02 17:39:57 +01:00 Authoring application: mPDF 5.7
MD5: 67cec18fad166630b6044e1a0a7262d8 SHA-1: 18f79d72ab9e997e35ef08b838fe20240b40da61 SHA-256: c2007ef024cd223ddc5ea3b485322a9ea385c58a604659eb0d753a5f4d788370
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs, identified as a link farm. While the specific URLs extracted were labeled as benign, the sheer volume and the heuristic firing suggest an attempt to manipulate search engine results or to host malicious content. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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://cmeinasa
    • http://cmeinasaoo.duckdns.org/4b27b26b26b21b26/America-s-Mistress-The-Life-and-Times-of-Eartha-Kitt-by-John-Williams.pdf
    • http://cmeinasaoo.duckdns.org/4b20b21b21b25b27/England-s-Mistress-The-Infamous-Life-of-Emma-Hamilton-by-Kate-Williams.pdf
    • http://cmeinasaoo.duckdns.org/3b20b22b25b25b26/The-Richest-Woman-in-America-The-Life-and-Times-of-Hetty-Green-by-Janet-Wallach.pdf
    • http://cmeinasaoo.duckdns.org/1b28b23b22b21/Barney-Oldfield-The-Life-and-Times-of-America-s-Legendary-Speed-King-by-William-F-Nolan.pdf
    • http://cmeinasaoo.duckdns.org/3b23b24b26b29b27/Master-Detective-The-Life-and-Crimes-of-Ellis-Parker-America-s-Real-Life-Sherlock-Holmes-by-John-Reisinger.pdf
    • http://cmeinasaoo.duckdns.org/4b20b23b27b24b27/The-Life-and-Times-of-Richard-J-Hughes-The-Politics-of-Civility-by-John-Wefing.pdf
    • http://cmeinasaoo.duckdns.org/7b26b23b20b23b29/Rebel-The-Life-and-Times-of-John-Singleton-Mosby-by-Kevin-H-Siepel.pdf
    • http://cmeinasaoo.duckdns.org/9b21b24b29b24b21/A-Long-Way-To-The-Top-The-Life-and-Times-of-One-of-the-Lesser-Known-of-the-Lairds-of-John-O-Groats-by-Laird-Tschonnie-Scribbler.pdf
    • http://cmeinasaoo.duckdns.org/4b22b28b22b29b22/Mistresses-The-Italian-s-Inexperienced-Mistress-Emerald-Mistress-Mistress-Bought-and-Paid-For-by-Lynne-Graham.pdf
    • http://cmeinasaoo.duckdns.org/4b27b29b27b21/Diet-for-a-New-America-How-Your-Food-Choices-Affect-Your-Health-Happiness-and-the-Future-of-Life-on-Earth-by-John-Robbins.pdf
    • http://cmeinasaoo.duckdns.org/2b24b20b22b28/Eartha-by-Cathy-Malkasian.pdf
    • http://cmeinasaoo.duckdns.org/4b28b21b29b21b29/Life-in-America-Life-in-America-by-Arnaz-Buckner.pdf
    • http://cmeinasaoo.duckdns.org/4b21b25b22b23b20/Our-Enemies-in-Blue-Police-and-Power-in-America-by-Kristian-Williams.pdf
    • http://cmeinasaoo.duckdns.org/6b25b26b28b21b26/Spies-in-the-Congo-America-s-Atomic-Mission-in-World-War-II-by-Susan-Williams.pdf
    • http://cmeinasaoo.duckdns.org/4b22b28b22b27b29/The-Mysterious-Mistress-The-Life-And-Legend-Of-Jane-Shore-by-Margaret-Crosland.pdf
    • http://cmeinasaoo.duckdns.org/7b25b20b22b24b22/Dogging-Steinbeck-How-I-Went-in-Search-of-John-Steinbeck-s-America-Found-My-Own-America-and-Exposed-the-Truth-about-Travels-with-Charley-by-Bill-Steigerwald.pdf
    • http://cmeinasaoo.duckdns.org/3b28b21b29b27b26/Demeter-s-Daughters-The-Women-Who-Founded-America-1587-1787-by-Selma-R-Williams.pdf
    • http://cmeinasaoo.duckdns.org/5b22b26b22b28b29/Mistress-Peachum-s-Pleasure-The-Life-of-Lavinia-Duchess-of-Bolton-by-Lisa-Hilton.pdf
    • http://cmeinasaoo.duckdns.org/2b26b27b23b23b20/The-Hour-of-Land-A-Personal-Topography-of-America-s-National-Parks-by-Terry-Tempest-Williams.pdf
    • http://cmeinasaoo.duckdns.org/3b28b24b21b29b24/The-Perfect-Mistress-Mistress-2-by-Betina-Krahn.pdf