Malicious PDF — malware analysis report

Static analysis result for SHA-256 4f506870ac96216d…

MALICIOUS

PDF

27.5 KB Created: 2019-05-01 20:10:48 +01:00 Authoring application: mPDF 5.7
MD5: 1a06a2d1d701a911e98640c8cba7f91e SHA-1: c172767019bb93f86cdee4396a8062f156a5d6bf SHA-256: 4f506870ac96216d0f19ccf4aca3c645b9923fe4f937ea33cd8b8386002a553e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, hosted on the suspicious domain 'kiteeearpdf.myhome.cx'. This heuristic firing, combined with the ML classifier's high confidence, indicates a likely attempt to direct users to malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9905

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://kiteeearpdf.myhome.cx/1f210f216f213f218f219f214/Bericht-Karlsruhe-1990-Internationaler-Kongress-Mit-Fachausstellung-Vom-20-Bis-23-November-1990-in-Der-Stadthalle-by-Michael-Dickreiter.pdf
    • http://kiteeearpdf.myhome.cx/1f210f216f213f219f210f211/Bericht-Internationaler-Kongre-Mit-Fachausstellung-in-Der-Rheingoldhalle-Und-Im-Hotel-Hilton-Vom-16-Bis-19-November-1988-by-Michael-Red-Dickreiter.pdf
    • http://kiteeearpdf.myhome.cx/1f210f216f213f218f219f213/18-Tonmeistertagung-Karlsruhe-1994-International-Convention-on-Sound-Design-Vom-15-Bis-18-November-1994-Bericht-by-Michael-Dickreiter.pdf
    • http://kiteeearpdf.myhome.cx/6f219f216f215f216f210/Recent-Developments-in-Micromechanics-Proceedings-of-the-Mini-Symposium-on-Micromechanics-at-the-Csme-Mechanical-Engineering-Forum-1990-June-3-9-1990-University-of-Toronto-Canada-by-D-R-Axelrad.pdf
    • http://kiteeearpdf.myhome.cx/7f218f216f215f213f217/Super-Horoscope-Picses-1990-by-Michael-Lutin.pdf
    • http://kiteeearpdf.myhome.cx/4f218f213f218f217f212/Envelope-of-Night-Selected-and-Uncollected-Poems-1966-1990-by-Michael-Burkard.pdf
    • http://kiteeearpdf.myhome.cx/5f218f215f218f219f210/Future-Survey-Annual-1990-A-Guide-to-the-Recent-Literature-of-Trends-Forecasts-and-Policy-Proposals-by-Michael-Marien.pdf
    • http://kiteeearpdf.myhome.cx/9f211f217f219f214f215/IV-Internationaler-Kongress-Fur-Elektronenmikroskopie-Ivth-International-Congress-on-Electron-Microscopy-Ive-Congres-International-de-Microscopie-Electronique-Berlin-10--17-September-1958-Band-1-Physikalisch-Technischer-Teil-by-Wolfgang-Bargmann.pdf
    • http://kiteeearpdf.myhome.cx/3f211f213f210f215f216/Disney-s-Year-Book-1990-by-Fern-L-Mamberg.pdf
    • http://kiteeearpdf.myhome.cx/1f210f210f219f212f215f210/Posters-of-Gdr-Films-1945---1990-by-Babett-Stach.pdf
    • http://kiteeearpdf.myhome.cx/1f211f214f211f219f218f218/Standard-Lesson-Commentary-1989-1990-by-Jim-Fehl.pdf
    • http://kiteeearpdf.myhome.cx/1f210f217f218f218f216f211/Berlin-Journal-1989-1990-by-Robert-Darnton.pdf
    • http://kiteeearpdf.myhome.cx/7f213f213f218f213f214/L-esprit-Des-Terrasses-Journal-1990-by-Renaud-Camus.pdf
    • http://kiteeearpdf.myhome.cx/8f217f211f218f219f217/The-Complete-Peanuts-Vol-20-1989-1990-by-Charles-M-Schulz.pdf
    • http://kiteeearpdf.myhome.cx/5f215f218f212f212f215/SS-Cygni-Light-Curves-1985-1990-by-Janet-A-Mattei.pdf
    • http://kiteeearpdf.myhome.cx/8f214f210f213f211f217/Chronique-Du-Liban-Rebelle-1988-1990-by-Daniel-Rondeau.pdf
    • http://kiteeearpdf.myhome.cx/5f212f211f219f217f214/See-Red-Women-s-Workshop-Feminist-Posters-1974-1990-by-Sheila-Rowbotham.pdf
    • http://kiteeearpdf.myhome.cx/1f210f216f213f219f218f212/Skulptur-in-Oberosterreich-1880-1990-Denkmalbeobachtungen-by-Ober-Osterreichisches-Landesmuseum.pdf
    • http://kiteeearpdf.myhome.cx/1f210f219f212f215f212f216/Harlequin-Historical-Christmas-Stories-1990-The-MacGregors-0-2-by-Nora-Roberts.pdf
    • http://kiteeearpdf.myhome.cx/1f211f211f215f210f215f219/Hausmull-Abfall-Und-Gesellschaft-in-Westdeutschland-1945-1990-by-Roman-Koster.pdf
    • http://kiteeearpdf.myhome.cx/1f210f216f213f218f219f213/18-Tonmeistertagung-Karlsruhe-1994-International-Convention-on-Sound-Design-Vom-15-Bis-18-November-19

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