Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ec923bff2aca659…

MALICIOUS

PDF

18.0 KB Created: 2019-11-21 09:29:34 +00:00 Authoring application: mPDF 5.7
MD5: 95d3f99d5d89e5305a41789b7098f66f SHA-1: ba43232ce2649f1686f5be386a028f56354d8602 SHA-256: 1ec923bff2aca659edbd5838ba594c24d3e2bb26ef2f9e44dbea07b032610566
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs, forming a link farm. The heuristic 'PDF_SEO_LINK_FARM' indicates that these links are likely intended to direct users to external content, potentially for SEO manipulation or to host malicious payloads. While the extracted URLs themselves are currently marked as benign, the sheer volume and structure suggest a deceptive intent. No scripts were extracted from this sample.

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/1730734737738734736/Mit-anderen-Augen-Vom-Kind-geh-rloser-Eltern-zum-Komponisten-by-Helmut-Oehring.pdf
    • http://cefasfese.4pu.com/9735738735733737/Das-Pfarrhaus-Bd-2-Dein-K-rper-geh-rt-auch-zur-Liebe-Kind-by-Hans-Helmut-Decker-Voigt.pdf
    • http://cefasfese.4pu.com/8736732736739736/Der-Struwwelpeter-f-r-Eltern-Mut-zum-Erziehen---Mit-Liebe-und-Selbstvertrauen-Eltern-sein-by-Karl-L-Holtz.pdf
    • http://cefasfese.4pu.com/1731730733734735739/Ostzeit-Westzeit-Aufbruche-Einer-Neuen-Kultur-Helmut-Bottiger-by-Helmut-Bottiger.pdf
    • http://cefasfese.4pu.com/9734737730737739/The-War-Diary-of-Hauptmann-Helmut-Lipfert-JG-52-on-the-Russian-Front-1943-45-by-Helmut-Lipfert.pdf
    • http://cefasfese.4pu.com/3733739736733730/A-Kind-of-Honesty-A-Kind-of-Stories-3-by-Lane-Hayes.pdf
    • http://cefasfese.4pu.com/1739732734732731/A-Kind-of-Truth-A-Kind-of-Stories-1-by-Lane-Hayes.pdf
    • http://cefasfese.4pu.com/8732739739730736/A-Kind-of-Romance-A-Kind-of-Stories-2-by-Lane-Hayes.pdf
    • http://cefasfese.4pu.com/1730734734733730731/Helmut-Newton-Pola-Woman-by-Helmut-Newton.pdf
    • http://cefasfese.4pu.com/1730734734732733735/Helmut-Newton-Portraits-by-Helmut-Newton.pdf
    • http://cefasfese.4pu.com/1730734737738730731/Niederosterreichische-Komponisten-by-Peter-Erhart.pdf
    • http://cefasfese.4pu.com/8739733738734738/Typisch-Eltern-by-Dr-Anna-Dachs.pdf
    • http://cefasfese.4pu.com/1730734737738730738/Mozarts-Briefe-Gro-e-Komponisten-by-Ludwig-Nohl.pdf
    • http://cefasfese.4pu.com/1730734737738733739/Johann-Sebastian-Bach-Gro-e-Komponisten-by-Philipp-Spitta.pdf
    • http://cefasfese.4pu.com/1730734737738733734/Felix-Mendelssohn-Bartholdy-Gro-e-Komponisten-by-August-Reissmann.pdf
    • http://cefasfese.4pu.com/1730734737739735736/Emigrierte-Komponisten-in-Der-Medienlandschaft-Des-Exils-1933-1945-by-Nils-Grosch.pdf
    • http://cefasfese.4pu.com/1730734737738735732/Tagebuch-einer-musikalischen-Reise-Gro-e-Komponisten-by-Charles-Burney.pdf
    • http://cefasfese.4pu.com/1730734737738734731/Orgelstadt-Dusseldorf-Instrumente-Spieler-Komponisten-by-Oskar-Gottlieb-Blarr.pdf
    • http://cefasfese.4pu.com/1730734737738735738/Busoni-in-Berlin-Facetten-eines-kosmopolitischen-Komponisten-by-Albrecht-Riethm-ller.pdf
    • http://cefasfese.4pu.com/1730734737738736733/Versuch-einer-gr-ndlichen-Violinschule-Gro-e-Komponisten-by-Leopold-Mozart.pdf