Malicious PDF — malware analysis report

Static analysis result for SHA-256 1df4d7a25e92b046…

MALICIOUS

PDF

17.6 KB Created: 2019-05-01 23:37:28 +01:00 Authoring application: mPDF 5.7
MD5: 6defc7fb5704d4c1cf116b5a2f96ddd8 SHA-1: 421f228c561f5bd6e84d5c52120d1044e91d1308 SHA-256: 1df4d7a25e92b046374224f92c25ea31764d32032c998cab6b05387d00b957ef
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF documents hosted on the 'cefasfese.4pu.com' domain. While the linked documents are currently classified as benign, the sheer volume and structure suggest a potential SEO poisoning or link farm attack. The embedded links are likely intended to redirect users to malicious content or to manipulate search engine rankings. No scripts were extracted from this sample.

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/3732739737738/Anne-of-the-Island-Anne-of-Green-Gables-3-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/1735739734734732/Anne-of-the-Island-Anne-of-Green-Gables-3-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/6730733730739730/Anne-of-the-Island-Anne-of-Green-Gables-3-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/7730731733736736/Anne-of-the-Island-Anne-of-Green-Gables-3-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/8735737738735739/Anne-of-Windy-Poplars-Anne-s-House-of-Dreams-Anne-of-Ingleside-Anne-of-Green-Gables-4-6-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/3732738739731/The-Complete-Anne-of-Green-Gables-Boxed-Set-Anne-of-Green-Gables-1-8-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/2733736733732736/Anne-of-Green-Gables-amp-Anne-of-Avonlea-Anne-of-Green-Gables-1-2-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/7733734733737/Anne-of-Green-Gables-Anne-Shirley-Series---The-Complete-Collection-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/7737737734734737/Anne-des-Pignons-Verts-Anne-of-Green-Gables-French-edition-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/9735730733738738/Anne-of-Green-Gables-The-Complete-Anne-Shirley-Series-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/1731731738730736739/Anne-p-egen-hand-Anne-of-Green-Gables-4-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/4733735739734738/Anne-s-House-of-Dreams-Anne-of-Green-Gables-5-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/6730733730738735/Anne-of-Avonlea-Anne-of-Green-Gables-Series-2-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/3734735731739/Anne-s-House-of-Dreams-Anne-of-Green-Gables-5-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/3739733732738/Anne-of-Windy-Poplars-Anne-of-Green-Gables-4-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/2736731738734730/Anne-of-Windy-Poplars-Anne-of-Green-Gables-4-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/2736735739737736/Anne-of-Avonlea-Anne-of-Green-Gables-2-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/8730738733739730/Anne-p-Gr-nkulla-Anne-of-Green-Gables-1-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/2731733730736736/Anne-of-Avonlea-Anne-of-Green-Gables-2-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/4733734732735733/Anne-of-Green-Gables-Anne-of-Green-Gables-1-by-L-M-Montgomery.pdf
    • http://cefasfese.4pu.com/2733736733732736/Anne-of-Green-Gables-amp-Anne-of-Avonlea-Anne-of-Green-Gables-1-2-

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