Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f08c2748d41c5ee…

MALICIOUS

PDF

13.5 KB Created: 2019-05-01 06:43:48 +01:00 Authoring application: mPDF 5.7
MD5: 7eba2509dbce35b847c97e8acf1b23cf SHA-1: 8274cd8e4fafc6c216bd01907e880d3b1e12d912 SHA-256: 0f08c2748d41c5ee60a95f62fcfe7d350f0a201b0f2eb9544de9546eedf225b8
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files hosted on the domain 'cefasfese.4pu.com'. This technique is often used for SEO poisoning or to redirect users to malicious sites. The ML classifier also flagged this PDF as malicious, supporting the suspicious nature of the link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9773

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/2730731735730731/The-Sparrow-The-Sparrow-1-by-Mary-Doria-Russell.pdf
    • http://cefasfese.4pu.com/1734730737731733/Dreamers-of-the-Day-by-Mary-Doria-Russell.pdf
    • http://cefasfese.4pu.com/5731733/Epitaph-by-Mary-Doria-Russell.pdf
    • http://cefasfese.4pu.com/4737735733731733/Country-Doctor-Tales-of-a-Rural-GP-Michael-Sparrow-by-Michael-Sparrow.pdf
    • http://cefasfese.4pu.com/4736739736736731/Whose-Eye-Is-on-Which-Sparrow-by-Robert-Taylor.pdf
    • http://cefasfese.4pu.com/3737731732739733/Sparrow-by-Giovanni-Verga.pdf
    • http://cefasfese.4pu.com/1739738732732731/On-His-List-by-Wendy-Sparrow.pdf
    • http://cefasfese.4pu.com/1738738737738730/Frosted-by-Wendy-Sparrow.pdf
    • http://cefasfese.4pu.com/4736730730733731/At-What-Cost-by-Kathryn-Sparrow.pdf
    • http://cefasfese.4pu.com/1739734732731731/So-Fell-the-Sparrow-by-Katie-Jennings.pdf
    • http://cefasfese.4pu.com/3731736738731735/Acquiesce-Sparks-and-Sparrow-1-by-Chevoque.pdf
    • http://cefasfese.4pu.com/4734739737/The-Bone-Sparrow-by-Zana-Fraillon.pdf
    • http://cefasfese.4pu.com/1730732732737735731/So-Fell-the-Sparrow-by-Katie-Jennings.pdf
    • http://cefasfese.4pu.com/8738732737730731/Song-of-the-Sparrow-by-Murray-Bodo.pdf
    • http://cefasfese.4pu.com/4736732733735735/Heart-of-a-Forest-by-Angelia-Sparrow.pdf
    • http://cefasfese.4pu.com/1731732737738738733/Sparrow-Falling-by-Gaie-Sebold.pdf
    • http://cefasfese.4pu.com/3732739732730736/Linked-The-Sun-The-Sparrow-The-Shadow-1-by-S-K-Newton.pdf
    • http://cefasfese.4pu.com/7735730736731735/Chloe-Sparrow-by-Lesley-Crewe.pdf
    • http://cefasfese.4pu.com/1739732738735731/Alive-on-the-Inside-by-Angelia-Sparrow.pdf
    • http://cefasfese.4pu.com/3734735739736731/Shanghai-Sparrow-by-Gaie-Sebold.pdf

Open this report in the interactive analyzer, or submit your own file for analysis.