Malicious PDF — malware analysis report

Static analysis result for SHA-256 46d1d503999798e6…

MALICIOUS

PDF

18.9 KB Created: 2020-03-18 21:54:03 +00:00 Authoring application: mPDF 5.7
MD5: 8dc022ad5007432204a7ff6779de72f9 SHA-1: d494999ae24673a835fefd277423ddb78cd13b65 SHA-256: 46d1d503999798e622e68ebda369cbfee810b7d8b06e870ff6fb3fb252027777
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a link farm with 25 external links, all pointing to the same suspicious domain 'kitasdyu.myhome.cx'. This technique is often used to artificially inflate search engine rankings or to distribute malicious content. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine the exact nature of the payload. The primary attack pattern observed is the distribution of numerous links to potentially malicious content.

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://kitasdyu.myhome.cx/2870878876872879/Samantha-s-Short-Story-Collection-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/3872875877878879/Samantha-Saves-the-Wedding-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/1875873878873878/Nellie-s-Promise-American-Girls-Samantha-7-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/1875873872874879/Changes-for-Josefina-A-Winter-Story-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/3872875877879870/Happy-Birthday-Kit-A-Springtime-Story-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/8877870879877/Happy-Birthday-Kit-A-Springtime-Story-American-Girls-Kit-4-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/3872875878870871/Molly-s-Surprise-A-Christmas-Story-American-Girls-Molly-3-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/1875873875875871/Molly-Saves-the-Day-A-Summer-Story-American-Girls-Molly-5-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/1875873875877872/Changes-for-Molly-A-Winter-Story-American-Girls-Molly-6-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/3874879878875875/Happy-Birthday-Felicity-A-Springtime-Story-American-Girls-Felicity-4-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/1875873875876872/Molly-Learns-a-Lesson-A-School-Story-American-Girls-Molly-2-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/1875873870876879/Josefina-Learns-a-Lesson-A-School-Story-American-Girls-Josefina-2-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/1879874874872872/Goldfields-A-Ghost-Story-History-and-Horrors-short-story-collection-1-by-Johanna-Craven.pdf
    • http://kitasdyu.myhome.cx/6872872878875876/Children-s-Book-Jumbo-value-tales-bedtime-story-kid-s-short-story-collection-by-Tammy-Brown-Elkeles.pdf
    • http://kitasdyu.myhome.cx/6872872878874870/The-Knight-and-The-Princess-Children-s-Book-value-tales-bedtime-story-kid-s-short-story-collection-by-MS-Tammy-Brown-Elkeles.pdf
    • http://kitasdyu.myhome.cx/6872872878876871/Fish-Also-Go-To-Heaven-Children-s-Book-value-tales-bedtime-story-kid-s-short-story-collection-by-Ms-Tammy-Brown-Elkeles.pdf
    • http://kitasdyu.myhome.cx/3872875877878875/Molly-Marches-On-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/3872875877878874/Molly-and-the-Movie-Star-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/1873875870872879/Felicity-An-American-Girl-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/1878871873879871/Josefina-An-American-Girl-by-Valerie-Tripp.pdf
    • http://kitasdyu.myhome.cx/1875873875876872/Molly-Learns-a-Lesson-A-School-Story-American-Girls-Mo