Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0a4d3f25b54b1f0…

MALICIOUS

PDF

16.6 KB Created: 2019-05-02 05:13:10 +01:00 Authoring application: mPDF 5.7
MD5: 4daa873469b7dfb4ac3659e1a0578906 SHA-1: c07c8278dfcff31e983b89d23344bb4d27d0a02a SHA-256: a0a4d3f25b54b1f0e5d577f2efdd87c314d71ef22f83af1b258afa5ff23cf608
60 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents hosted on the domain 'cefasfese.4pu.com'. This is indicative of a link farm, likely used for SEO manipulation or to distribute malicious content. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the immediate intent beyond the link farm. The primary attack pattern observed is the creation of a link farm to redirect users to potentially harmful 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://cefasfese.4pu.com/5736734732732730/Amours-nuptiales---3-Les-journaux-intimes-de-la-duchesse-by-Jillian-Hunter.pdf
    • http://cefasfese.4pu.com/6730735733737736/Amours-nuptiales---1-La-tentation-d-un-duc-by-Jillian-Hunter.pdf
    • http://cefasfese.4pu.com/6730735733739735/Amours-nuptiales---2-Le-secret-de-la-mari-e-by-Jillian-Hunter.pdf
    • http://cefasfese.4pu.com/3730732739738732/Indiscretion-by-Jillian-Hunter.pdf
    • http://cefasfese.4pu.com/3736738730732735/Daring-by-Jillian-Hunter.pdf
    • http://cefasfese.4pu.com/2731731737731/Glenlyon-s-Bride-by-Jillian-Hunter.pdf
    • http://cefasfese.4pu.com/3736734734738732/Fairy-Tale-by-Jillian-Hunter.pdf
    • http://cefasfese.4pu.com/3739736731732737/The-Husband-Hunt-by-Jillian-Hunter.pdf
    • http://cefasfese.4pu.com/4735733737736733/A-Dukes-Temptation-by-Jillian-Hunter.pdf
    • http://cefasfese.4pu.com/8731735735732/The-Wicked-Games-of-a-Gentleman-Boscastle-4-by-Jillian-Hunter.pdf
    • http://cefasfese.4pu.com/8732735739734/The-Seduction-of-an-English-Scoundrel-Boscastle-1-by-Jillian-Hunter.pdf
    • http://cefasfese.4pu.com/2739731731730730/The-Duchess-Diaries-Boscastle-12-The-Bridal-Pleasures-3-by-Jillian-Hunter.pdf
    • http://cefasfese.4pu.com/3739734733734733/The-Wedding-Night-of-an-English-Rogue-Boscastle-3-by-Jillian-Hunter.pdf
    • http://cefasfese.4pu.com/8732732736738/The-Love-Affair-of-an-English-Lord-Boscastle-2-by-Jillian-Hunter.pdf
    • http://cefasfese.4pu.com/5736734731736731/A-Woman-s-Life-in-the-Court-of-the-Sun-King-Letters-of-Liselotte-Von-Der-Pfalz-Elisabeth-Charlotte-Duchesse-D-Orl-ans-1652-1722-by-Charlotte-Elisabeth-duchesse-d-39-Orl-ans.pdf
    • http://cefasfese.4pu.com/5739730737736737/La-Derni-re-duchesse-by-Daisy-Goodwin.pdf
    • http://cefasfese.4pu.com/5734736731732737/Amours-de-Voyage-by-Arthur-Hugh-Clough.pdf
    • http://cefasfese.4pu.com/3732736732736734/Le-temps-des-amours-Souvenirs-d-enfance-4-by-Marcel-Pagnol.pdf
    • http://cefasfese.4pu.com/5734737733734730/Ronsard-Petrarch-and-the-Amours-by-Sara-Sturm-Maddox.pdf
    • http://cefasfese.4pu.com/1733735731738735/Redemption-Dark-Hunter-20-5-Dream-Hunter-5-5-Were-Hunter-6-5-by-Sherrilyn-Kenyon.pdf
    • http://cefasfese.4pu.com/2739731731730730/The-Duchess-Diaries-Boscastle-12-The-Bridal-Pleasures-3-by-Jillian-Hunte

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