Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff1a58ecd3d86669…

MALICIOUS

PDF

241.6 KB Created: 2022-11-24 22:31:52 +00:00 Authoring application: lashtan (via PDF Master 1.0.1) First seen: 2026-04-01
MD5: cb5322f4aca04ebf64a12cc9db0f39c2 SHA-1: d4560cedb577d9e34edbe830f59cfbd2bc4e9109 SHA-256: ff1a58ecd3d866694848bf9597ad53e977d77ef61043158efdea6f71f34d86f2
174 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0004

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://dawnloadonline.com/cooperatively?ZG93bmxvYWR8NjJRZVd4b2ZId3hOalk1TXpJME9URXlmSHd5TlRrd2ZId29UU2tnVjI5eVpIQnlaWE56SUZ0WVRVeFNVRU1nVmpJZ1VFUkdYUQ=/carjacking/unpackaged/ranulph/RW1jIFN0eWxlIFdvcmtzIFh0IFVuaXZlcnNhbCAzOHRvcnJlbnR0b3JyZW50RW1.repressed PDF link annotation
    • https://cambodiaonlinemarket.com/wp-content/uploads/2022/11/PATCHED_BitRecover_Virtual_Drive_Recovery_Wizard_V4_1_Keygen.pdfIn PDF document text
    • https://klassenispil.dk/magic-skin-filter-v11-crack-keygen-free/In PDF document text
    • https://lsvequipamentos.com/wp-content/uploads/2022/11/shalau.pdfIn PDF document text
    • https://livehealthynews.com/wp-content/uploads/2022/11/dc_universe_online_multihack_v11.pdfIn PDF document text
    • https://www.infoslovakia.sk/wp-content/uploads/2022/11/quarpyll.pdfIn PDF document text
    • https://astrofiz.ro/wp-content/uploads/2022/11/femiont.pdfIn PDF document text
    • http://steamworksedmonton.com/chhota-bheem-and-the-throne-of-bali-tamil-movie-download-720p-hd-repack/In PDF document text
    • https://entrelink.hk/uncategorized/foxfilter-registration-code-crack-exclusive/In PDF document text
    • https://newsbaki.com/wp-content/uploads/2022/11/Menyambung_Huruf_Hijaiyah_Pdf_62.pdfIn PDF document text
    • https://www.sensoragencia.com/wp-content/uploads/2022/11/BETTER_Crack_Serial_Number_Propellerhead_Recycle_2_2_3.pdfIn PDF document text
    • https://cambodiaonlinemarket.com/wp-In PDF document text
    • http://steamworksedmonton.com/chhota-bheem-and-the-throne-of-bali-tamil-movie-download-720p-In PDF document text
    • https://www.sensoragencia.com/wp-In PDF document text
    • http://dawnloadonline.com/cooperatively?zg93bmxvywr8njjrzvd4b2zid3hoalk1txpjme9urxlmshd5tlrrd2zid29uu2tnvji5evpiqnlawe56suz0wvrvefnvru1nvmpjz1vfukdyuq=/carjacking/unpackaged/ranulph/rw1jifn0ewxlifdvcmtzifh0ifvuaxzlcnnhbcazohrvcnjlbnr0b3jyzw50rw1.repressedIn PDF document text
    • https://entrelink.hk/uncategorized/foxfilter-registration-code-crackIn PDF document text
    • https://cambodiaonlinemarket.com/wp-content/uploads/2022/11/patched_bitrecover_virtual_drive_recovery_wizard_v4_1_keygen.pdfIn 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_off00001294.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1294 84508 bytes
SHA-256: 2b7ba551bea82cc3307397981c1dbeb1b78486f95f2eb14e5e58d4e1b24edb0c
font_01_sfnt_off00009a80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A80 83036 bytes
SHA-256: 6d13e73e85a502a13969f6a5eaecd0b275a0868c045f80b7d64ed55d70678261