Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5ab53d7f19abffd…

MALICIOUS

PDF

17.3 KB Created: 2019-05-03 06:07:29 +01:00 Authoring application: mPDF 5.7
MD5: 6b23c3d4959f4ffcde95c0b9f95580a1 SHA-1: 615d45e540f2efb0f48ded3029a1ecd2ca0c3d88 SHA-256: b5ab53d7f19abffd418e355ef1b6c88e6fbc45824d3d4537a9788e8320e32498
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file exhibits characteristics of a link farm, with a heuristic firing indicating a mass of external PDF links. The document body, though partially corrupted, contains numerous URLs pointing to external PDF files hosted on the same domain. This suggests an attempt to manipulate search engine results or distribute potentially malicious content through these links.

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/7731731731738739/Eat-and-Run-Manger-pour-gagner-Terra-nova-by-Scott-Jurek.pdf
    • http://cefasfese.4pu.com/5738734736739737/Nanotechnology-Integrated-Processing-Systems-for-Ultra-Precision-and-Ultra-Fine-Products-by-Taniguchi.pdf
    • http://cefasfese.4pu.com/9735730733737/Ultra-Fat-to-Ultra-Fit-A-Scientist-s-Rational-Approach-to-Extreme-Weight-Loss-and-Optimal-Fitness-by-Noah-M-Walton.pdf
    • http://cefasfese.4pu.com/8730738731731/Ultra-Cute-Vol-8-Ultra-Cute-8-by-Nami-Akimoto.pdf
    • http://cefasfese.4pu.com/2730733737730734/Ultra-Maniac-Vol-01-Ultra-Maniac-1-by-Wataru-Yoshizumi.pdf
    • http://cefasfese.4pu.com/7737739736738/Ultra-Cute-Vol-4-Ultra-Cute-4-by-Nami-Akimoto.pdf
    • http://cefasfese.4pu.com/8731732731734/Ultra-Cute-Vol-9-Ultra-Cute-9-by-Nami-Akimoto.pdf
    • http://cefasfese.4pu.com/1730732736730735736/My-Running-Years-A-Personal-Story-of-Running-Experiences-by-Alan-Seel.pdf
    • http://cefasfese.4pu.com/1730732736730734739/Running-Jargon-Explained-An-Expanded-A-to-Z-of-Running-Terms-by-Alan-Seel.pdf
    • http://cefasfese.4pu.com/1730732736731735735/Running-Together-A-Trilogy-of-Books-about-Running-by-Alan-Seel.pdf
    • http://cefasfese.4pu.com/1730734735735737733/Running-To-You-Running-Series-1-by-DeLaine-Roberts.pdf
    • http://cefasfese.4pu.com/3735739731732734/Portraits-of-Celina-by-Sue-Whiting.pdf
    • http://cefasfese.4pu.com/5736730736732739/Siegfried-The-Nazis-Last-Stand-by-Charles-Whiting.pdf
    • http://cefasfese.4pu.com/1730734735734731733/Running-Away-with-You-Running-3-by-Suzanne-Sweeney.pdf
    • http://cefasfese.4pu.com/1737734736739737/Prowling-in-Esotar-Trigon-Rituals-0-5-by-Angelia-Whiting.pdf
    • http://cefasfese.4pu.com/1735730731731733/Beyond-Ultra-by-Robert-A-Wright.pdf
    • http://cefasfese.4pu.com/8737736737739739/China-Crosses-the-Yalu-The-Decision-to-Enter-the-Korean-War-by-Allen-S-Whiting.pdf
    • http://cefasfese.4pu.com/3730735734737733/The-Samurai-Way-of-Baseball-The-Impact-of-Ichiro-and-the-New-Wave-from-Japan-by-Robert-Whiting.pdf
    • http://cefasfese.4pu.com/8739732736734736/The-Boxer-by-Jurek-Becker.pdf
    • http://cefasfese.4pu.com/7739731737739730/Ultra-Seven-Days-by-Jonathan-Luna.pdf
    • http://cefasfese.4pu.com/1730732736730735736/My-Running-Years-A-Personal-

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