Malicious PDF — malware analysis report

Static analysis result for SHA-256 2674d1e7d4f1da12…

MALICIOUS

PDF

16.3 KB Created: 2019-05-01 12:02:44 +01:00 Authoring application: mPDF 5.7
MD5: ff91a7b826bf7702541284d4e7c10ece SHA-1: 6c39540d612ec54477fd59d041f0f7e3f34b6201 SHA-256: 2674d1e7d4f1da1232918a5354cce9f05549e00526af104c8dc99c55d3e6c6ce
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded URLs that point to book previews and summaries, forming a link farm. The heuristic PDF_SEO_LINK_FARM indicates a mass of external PDF links, with the dominant host being cefasfese.4pu.com. This suggests the document's primary purpose is to drive traffic to these external sites, likely for SEO manipulation or to host malicious content indirectly.

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://cefasfese.4pu.com/8731730738735734/And-the-Mountains-Echoed-Free-Preview-by-Khaled-Hosseini.pdf
    • http://cefasfese.4pu.com/8731731730738735/And-the-Mountains-Echoed-by-Khaled-Hosseini---Review-and-Summary-by-Easytodigest-Summaries.pdf
    • http://cefasfese.4pu.com/9732730736738734/And-the-Mountains-Echoed-By-Khaled-Hosseini-Trivia-On-Books-by-Trivion-Books.pdf
    • http://cefasfese.4pu.com/8731731730735737/And-the-Mountains-Echoed-by-Khaled-Hosseini---Expert-Book-Review-amp-Analysis-by-Expert-Book-Reviews.pdf
    • http://cefasfese.4pu.com/4738733738736736/Sea-Prayer-by-Khaled-Hosseini.pdf
    • http://cefasfese.4pu.com/8736735732/Sea-Prayer-by-Khaled-Hosseini.pdf
    • http://cefasfese.4pu.com/3730733730733731/The-Kite-Runner-by-Khaled-Hosseini.pdf
    • http://cefasfese.4pu.com/7731736733733734/The-Kite-Runner-by-Khaled-Hosseini.pdf
    • http://cefasfese.4pu.com/3734730733739730/A-Thousand-Splendid-Suns-by-Khaled-Hosseini.pdf
    • http://cefasfese.4pu.com/1730730730733730/A-Thousand-Splendid-Suns-by-Khaled-Hosseini.pdf
    • http://cefasfese.4pu.com/8731731730732734/Reading-Khaled-Hosseini-by-Rebecca-Stuhr.pdf
    • http://cefasfese.4pu.com/5739738739732731/Cidade-do-Sol---Edicao-de-2013-by-Khaled-Hosseini.pdf
    • http://cefasfese.4pu.com/4738735732732733/A-Thousand-Splendid-Suns-by-Khaled-Hosseini.pdf
    • http://cefasfese.4pu.com/5733731734731/A-Thousand-Splendid-Suns-by-Khaled-Hosseini.pdf
    • http://cefasfese.4pu.com/8731730738731736/The-Kite-Runner-Khaled-Hosseini-by-Calum-Kerr.pdf
    • http://cefasfese.4pu.com/8731731730733737/The-Kite-Runner-By-Khaled-Hosseini-Student-Packet-by-Pat-Watson.pdf
    • http://cefasfese.4pu.com/6734736739734733/The-Kite-Runner-York-Notes-Advanced-by-Khaled-Hosseini.pdf
    • http://cefasfese.4pu.com/8731731730733731/Bookclub-in-a-Box-Discusses-A-Thousand-Splendid-Suns-by-Khaled-Hosseini-by-Marilyn-Herbert.pdf
    • http://cefasfese.4pu.com/8731730738731737/Khaled-Hosseini-quot-A-Thousand-Splendid-Suns-quot-by-Ayse-G-kce.pdf
    • http://cefasfese.4pu.com/1737739735734735/Mountains-Wanted-Mountains-1-by-Phoebe-Alexander.pdf
    • http://cefasfese.4pu.com/87317317307327