Malicious PDF — malware analysis report

Static analysis result for SHA-256 b61f20f8d05f12f0…

MALICIOUS

PDF

118.5 KB Created: 2022-07-17 15:23:17 +00:00 Authoring application: marcinfo (via PDF Master 1.0.1) First seen: 2026-07-15
MD5: 157748cf3f45709405db789c9992087e SHA-1: 11e813a8624417888819283c8c615243f653858b SHA-256: b61f20f8d05f12f0ed3b049e1949de665b3aff328f7094392bd806126ffc3448
174 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0008

Heuristics 6

  • 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.
  • Cracked-software lure uses download-gateway redirectors high PDF_CRACKED_SOFTWARE_REDIRECTOR_LINK_FARM
    PDF contains multiple cracked-software/keygen/serial-key lure links together with long encoded download-gateway URLs or known crack-download redirector hosts. This is stronger than generic piracy vocabulary: the document is an SEO lure that funnels users through redirect/download infrastructure commonly used for adware, unwanted software, or droppers.
  • 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.
  • PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
    PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://mydrugdir.com/YWlrbWFuIHNlcmllcyBwcm9ncmFtbWluZyB3aXRoIGMgZnJlZSBkb3dubG9hZAYWl/ZG93bmxvYWR8ZjFTWmpsNVlueDhNVFkxT0RBd05qWTVPWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/balling/elimination/ideologies.richlevin?resurrected=channeling== PDF link annotation
    • https://acsa2009.org/advert/lepton-optimizer-exclusive-full-crack-kid/In PDF document text
    • https://ramseyfarmauction.com/2022/07/17/proton-ide-v1-0-4-6-full-version-new/In PDF document text
    • https://abwabnet.com/serial-number-adobe-premiere-pro-cs6-6-0-0-ls7-multilanguage-dictionary-verified/In PDF document text
    • http://scamfie.com/?p=39829In PDF document text
    • https://dunstew.com/advert/dvd-lab-pro-serial-number-unlock-code-1-portable/In PDF document text
    • http://www.cad2parts.com/?p=13803In PDF document text
    • https://ekhayaonline.com/cricket-coach-2014-crack-file-free-download-new/In PDF document text
    • https://nisharma.com/ge-fanuc-versapro-2/In PDF document text
    • https://wilsonvillecommunitysharing.org/body-heat-2010-hollywood-movie-200-_verified_/In PDF document text
    • http://www.giffa.ru/zametki-o-sne/las-hermanas-huerta-discografia-descargar/In PDF document text
    • https://studiblog.net/wp-content/uploads/2022/07/kaltess.pdfIn PDF document text
    • https://diboa.co/wp-content/uploads/2022/07/AnyMP4_DVD_Creator_7226_Multilingual.pdfIn PDF document text
    • https://doctorcombine.com/wp-content/uploads/2022/07/Moon_Shades_Loop_Kit_Vol2_WAV.pdfIn PDF document text
    • http://www.giffa.ru/who/visualizer-3d-okm-free-download-crack-2021-keygen-serial-rarzip-hit/In PDF document text
    • https://mauiwear.com/hd-online-player-evangelion-2-22-english-dub-1080p-to/In PDF document text
    • http://tekbaz.com/2022/07/17/s7-1200-plc-software-exclusive-download/In PDF document text
    • https://guatemall.club/wp-content/uploads/2022/07/Football_Manager_2007rar_Download_For_Computer_LINK-1.pdfIn PDF document text
    • https://arlingtonliquorpackagestore.com/payoneer-money-adder-quickly-download-and-set-up-it-_best_/In PDF document text
    • https://kjvreadersbible.com/kastor-all-video-download-_verified_er-v5-1-serial-key/In PDF document text
    • https://gotweapons.com/advert/photobook-nozomi-kurahashi-rar-extra-quality/In PDF document text
    • https://abwabnet.com/serial-number-adobe-premiere-pro-cs6-6-0-0-ls7-multilanguage-dictionary-In PDF document text
    • https://guatemall.club/wp-In PDF document text
    • https://arlingtonliquorpackagestore.com/payoneer-money-adder-quickly-download-and-set-up-In PDF document text
    • http://mydrugdir.com/ywlrbwfuihnlcmllcybwcm9ncmftbwluzyb3axroigmgznjlzsbkb3dubg9hzaywl/zg93bmxvywr8zjftwmpsnvluedhnvfkxt0rbd05qwtvpwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/balling/elimination/ideologies.richlevin?resurrected=channeling==In 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000292d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x292D 84508 bytes
SHA-256: 2b7ba551bea82cc3307397981c1dbeb1b78486f95f2eb14e5e58d4e1b24edb0c
font_01_sfnt_off0000b119.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB119 83036 bytes
SHA-256: 6d13e73e85a502a13969f6a5eaecd0b275a0868c045f80b7d64ed55d70678261