Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3de645a6d657ebd…

MALICIOUS

PDF

19.7 KB Created: 2019-05-02 19:52:35 +01:00 Authoring application: mPDF 5.7
MD5: 8012ad108b47dbf261a9beaa23baacd7 SHA-1: ef3fc2e996843db392d8e442ffd9769ed23fb671 SHA-256: d3de645a6d657ebda464719960030557840ac2a96f53b2e0499eaedcdc4f6126
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were extracted, the PDF structure and link farm heuristic strongly suggest a malicious intent to distribute or host harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

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://cmeinasaoo.duckdns.org/3b21b24b26b23b23/Mystery-of-the-Golden-Temple-Pack-n-Go-Girls-Adventures---Thailand-1-by-Lisa-Travis.pdf
    • http://cmeinasaoo.duckdns.org/3b21b24b28b22b22/Mystery-at-the-Christmas-Market-Pack-N-Go-Girls-Adventures---Austria-3-by-Janelle-Diller.pdf
    • http://cmeinasaoo.duckdns.org/3b21b24b26b28b22/Mystery-of-the-Thief-in-the-Night-Pack-n-Go-Girls-Mexico-1-by-Janelle-Diller.pdf
    • http://cmeinasaoo.duckdns.org/1b20b26b24b22b20b23/The-Case-of-the-Rock-amp-Roll-Mystery-The-New-Adventures-of-Mary-Kate-amp-Ashley-6-by-Lisa-Eisenberg.pdf
    • http://cmeinasaoo.duckdns.org/3b29b22b24b23b28/The-Temple-of-the-Golden-Pavilion-by-Yukio-Mishima.pdf
    • http://cmeinasaoo.duckdns.org/3b26b21b27b29/The-Temple-of-the-Golden-Pavilion-by-Yukio-Mishima.pdf
    • http://cmeinasaoo.duckdns.org/7b23b21b23b29b26/The-Golden-Goose-of-Los-Angeles-Extended-Edition-by-Travis-Adams-Irish.pdf
    • http://cmeinasaoo.duckdns.org/8b21b29b27b21b26/Brac-Pack-Halloween-Murder-Mystery-Brac-Pack-32-by-Lynn-Hagen.pdf
    • http://cmeinasaoo.duckdns.org/5b24b24b29b24b28/Zoe-amp-Zak-and-the-Tiger-Temple-Zoe-amp-Zak-Adventures-3-by-Lars-Guignard.pdf
    • http://cmeinasaoo.duckdns.org/1b21b28b28b28b24b21/Sugar-Daddy-Travis-Family-1-by-Lisa-Kleypas.pdf
    • http://cmeinasaoo.duckdns.org/1b21b26b21b23b26/HIDDEN-MICKEY-ADVENTURES-3-The-Mermaid-s-Tale-Hidden-Mickey-Adventures-3-by-Nancy-Temple-Rodrigue.pdf
    • http://cmeinasaoo.duckdns.org/9b22b21b21b21/HIDDEN-MICKEY-ADVENTURES-1-Peter-and-the-Wolf-Hidden-Mickey-Adventures-1-by-Nancy-Temple-Rodrigue.pdf
    • http://cmeinasaoo.duckdns.org/2b28b27b26b27b29/The-Desert-Temple-The-Adventures-of-Vernon-Auldswell-Gentleman-Explorer-2-by-Vivian-Caethe.pdf
    • http://cmeinasaoo.duckdns.org/2b26b26b26b25b26/The-Bark-Before-Christmas-A-Melanie-Travis-Mystery-18-by-Laurien-Berenson.pdf
    • http://cmeinasaoo.duckdns.org/3b26b20b22b23b23/Murder-at-the-Mayan-Temple-Starling-and-Swift-Mystery-1-by-M-J-Mandrake.pdf
    • http://cmeinasaoo.duckdns.org/2b26b29b29b27b21/Tangling-with-Bears-Cloverleah-Pack-8-by-Lisa-Oliver.pdf
    • http://cmeinasaoo.duckdns.org/1b26b27b22b22b24/The-Sirius-Mystery-New-Scientific-Evidence-of-Alien-Contact-5-000-Years-Ago-by-Robert-K-G-Temple.pdf
    • http://cmeinasaoo.duckdns.org/4b25b26b29b27/The-Golden-Spiral-Hourglass-Door-2-by-Lisa-Mangum.pdf
    • http://cmeinasaoo.duckdns.org/4b29b28b24b24b25/Shanghai-Girls-by-Lisa-See.pdf
    • http://cmeinasaoo.duckdns.org/6b26b23b22b29/Dreams-of-Joy-Shanghai-Girls-2-by-Lisa-See.pdf
    • http://cmeinasaoo.duckdns.org/5b24b24b29b24b28/Zoe-amp-Zak-and-the-Tiger-Temple-Zoe-amp-Zak-Adventu