Malicious PDF — malware analysis report

Static analysis result for SHA-256 2becdf5837d7b2da…

MALICIOUS

PDF

14.5 KB Created: 2020-03-14 01:52:19 +00:00 Authoring application: mPDF 5.7 First seen: 2021-06-20
MD5: 2fedf4df0c2811d12aa91ae9bdec4260 SHA-1: 293c6540c062e747d132506006c975b2e6fae091 SHA-256: 2becdf5837d7b2da52d8ff521959bfc4a794738b135e1efe5e3f8e936f2a5413
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, indicating a link farm likely used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs within the document body suggests an attempt to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9102

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://weisncio.myhome.cx/4625625624625622/Store-of-the-Worlds-The-Stories-of-Robert-Sheckley-by-Robert-Sheckley.pdf In PDF document text
    • http://weisncio.myhome.cx/2622625627623623/Mindswap-by-Robert-Sheckley.pdfIn PDF document text
    • http://weisncio.myhome.cx/4625626629623626/The-People-Trap-by-Robert-Sheckley.pdfIn PDF document text
    • http://weisncio.myhome.cx/5620624623625620/The-Cruel-Equations-by-Robert-Sheckley.pdfIn PDF document text
    • http://weisncio.myhome.cx/4623625621625622/Human-Man-s-Burden-by-Robert-Sheckley.pdfIn PDF document text
    • http://weisncio.myhome.cx/4625626629623624/Store-of-Infinity-by-Robert-Sheckley.pdfIn PDF document text
    • http://weisncio.myhome.cx/1626621620623624/Untouched-By-Human-Hands-by-Robert-Sheckley.pdfIn PDF document text
    • http://weisncio.myhome.cx/4626625622625629/The-People-Trap-Plus-Mindswap-by-Robert-Sheckley.pdfIn PDF document text
    • http://weisncio.myhome.cx/3628627627627626/Is-That-What-People-Do-Short-Stories-by-Robert-Sheckley.pdfIn PDF document text
    • http://weisncio.myhome.cx/2628627626622/Status-The-Game-by-Vincent-Robert-Annunziato.pdfIn PDF document text
    • http://weisncio.myhome.cx/9623629629627625/Western-Civilization-by-Robert-Edwin-Herzstein.pdfIn PDF document text
    • http://weisncio.myhome.cx/9626621622623620/Draconian-New-York-Hob-Draconian-2-by-Robert-Sheckley.pdfIn PDF document text
    • http://weisncio.myhome.cx/3629629621620625/The-Great-War-for-Civilization-The-Conquest-of-the-Middle-East-by-Robert-Fisk.pdfIn PDF document text
    • http://weisncio.myhome.cx/1629626627625622/Ancient-Sichuan-Treasures-from-a-Lost-Civilization-by-Robert-Bagley.pdfIn PDF document text
    • http://weisncio.myhome.cx/8627624620626624/Origins-of-the-Sphinx-Celestial-Guardian-of-Pre-Pharaonic-Civilization-by-Robert-M-Schoch.pdfIn PDF document text
    • http://weisncio.myhome.cx/1621623629627626629/The-Mental-Status-Examination-in-Neurology-the-Mental-Status-Examination-in-Neurology-the-Mental-Status-Examination-in-Neurology-by-Richard-L-Strub.pdfIn PDF document text
    • http://weisncio.myhome.cx/1621623629627626624/Beyond-My-Status-by-Shawneda.pdfIn PDF document text
    • http://weisncio.myhome.cx/1621623629625620628/STATUS-3-by-Jordan-Belcher.pdfIn PDF document text
    • http://weisncio.myhome.cx/1621623629625626626/Status-Deadzone-by-Marc-Gascoigne.pdfIn PDF document text
    • http://weisncio.myhome.cx/1626620629622/The-Status-Seekers-by-Vance-Packard.pdfIn PDF document text

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