Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9cd1e681f82e063…

MALICIOUS

PDF

210.6 KB Created: 2022-06-13 03:13:38 +02:00 Authoring application: takkymb (via PDF Master 1.0.1) First seen: 2026-04-25
MD5: bbe7615cbba588d3b88a6f88e084ad6f SHA-1: 85d46bf74cf9c2b4380123bd47de678eb7a43fa8 SHA-256: a9cd1e681f82e0632261274ffc90a6c7d65037b418e14930f2bf01135ba01209
104 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0034

Heuristics 4

  • Cracked-software lure uses shortlink/download gateway critical PDF_CRACKED_SOFTWARE_SHORTLINK_LURE
    PDF visible text advertises a crack, serial number, archive, or pirated-software download and pairs it with a shortlink or encoded download gateway. This is a high-confidence social-engineering carrier for unwanted software or droppers; the PDF itself is not a parser exploit.
  • PDF links to a cracked-software download doorway (base64-obfuscated) high PDF_CRACKED_SOFTWARE_DOWNLOAD_DOORWAY
    PDF's embedded link hides a pirated-software title as a base64 blob inside the URL path/query (and/or carries the ``download|`` doorway-template marker), rather than in visible text. This is a TCPDF-generated SEO doorway that ranks for software-piracy searches and funnels users to fake 'crack/keygen' download pages distributing adware, potentially-unwanted programs, or droppers. The base64 encoding is deliberate obfuscation to evade plaintext lure rules; the PDF itself carries no parser exploit — the risk is the linked crack-download destination.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://evacdir.com/sirohiestates.catarrh?triberg=ZG93bmxvYWR8OU1XZUhJemQzeDhNVFkxTkRrNE9URTJNbng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA&disperses=U2hpbWxhIE1pcmNoaSBtb3ZpZXMgZHVhbCBhdWRpbyBlbmcgaGluZGkgNzIwcCB0b3JyZW50U2h&tackle PDF link annotation
    • https://www.mjeeb.com/twinbridge-chinese-partner-v6-5-premium-edition-fo/In PDF document text
    • https://studiolight.nl/wp-content/uploads/2022/06/davimpr.pdfIn PDF document text
    • https://eurasianhub.com/wp-content/uploads/2022/06/bershay.pdfIn PDF document text
    • https://recreovirales.com/download-roms-sega-model-3-40l-fix/In PDF document text
    • https://donorpartie.com/wp-content/uploads/2022/06/Bookletcreator13licensekeymediafire_Incl_Crackdownloadstorrentrar.pdfIn PDF document text
    • https://riberadelxuquer.com/wp-content/uploads/2022/06/yudmoni.pdfIn PDF document text
    • https://www.condommessage.com/wp-content/uploads/2022/06/sabifee.pdfIn PDF document text
    • https://www.smallblackowned.com/wp-content/uploads/2022/06/gabrpel.pdfIn PDF document text
    • http://descargatelo.net/businesshome-based-business/the-swindle-download-full-link/In PDF document text
    • https://buycoffeemugs.com/once-upon-a-time-in-mumbaai-hd-720p-movie-download-top/In PDF document text
    • http://www.astralbodytravel.com/?p=5339In PDF document text
    • https://vintriplabs.com/wp-content/uploads/2022/06/meliport.pdfIn PDF document text
    • https://nailpersona.com/wp-content/uploads/2022/06/macmimog.pdfIn PDF document text
    • https://scamfie.com/wp-content/uploads/2022/06/Marksheet_Format_In_Excel_Pdf_Download.pdfIn PDF document text
    • http://www.bayislistings.com/onone-perfect-portrait-serial-number-repack/In PDF document text
    • https://cucinino.de/wp-content/uploads/letilatr.pdfIn PDF document text
    • http://shop.chatredanesh.ir/?p=33879In PDF document text
    • https://ameeni.com/upload/files/2022/06/vjnI32vNhwVPSamaW48v_13_131664994e024b24e4552ff8e033ebaa_file.pdfIn PDF document text
    • https://motofamily.com/wp-content/uploads/2022/06/electronics_technology_fundamentals_paynter_boydell_pdf_11.pdfIn PDF document text
    • https://studiblog.net/wp-content/uploads/2022/06/benjae.pdfIn PDF document text
    • http://evacdir.com/sirohiestates.catarrh?triberg=zg93bmxvywr8ou1xzuhjemqzedhnvfkxtkrrne9urtjnbng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda&disperses=u2hpbwxhie1pcmnoasbtb3zpzxmgzhvhbcbhdwrpbyblbmcgagluzgkgnziwccb0b3jyzw50u2h&tackleIn PDF document text
    • http://www.tcpdf.orgIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.aiim.org/pdfa/ns/extension/In PDF document text
    • http://www.aiim.org/pdfa/ns/schema#In PDF document text
    • http://www.aiim.org/pdfa/ns/property#In PDF document text
    • http://www.aiim.org/pdfa/ns/id/In PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00000edd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xEDD 120140 bytes
SHA-256: a217f12862e0ff75203bdd4136ca0d68471050be46bb09aed5306898926ffdd4