Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe85bc3b653718d9…

MALICIOUS

PDF

35.2 KB Created: 2022-12-17 22:58:26 +00:00 Authoring application: gloziko (via mPDF 8.1.2) First seen: 2023-12-11
MD5: ca13c05fc888e6139b508f69262bac15 SHA-1: 07e7e8c5a7b9ab02ab84538511502fbc67a3dd3c SHA-256: fe85bc3b653718d909f58e410421971aa30a0f96afb45b4a2f242743234323de
104 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0028

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://signforcover.com/?pillowfit=roseacea&sansone=stoli/metropolitans/ZG93bmxvYWR8WHYxTTJONWEzeDhNVFkzTVRJMk5qRTVOM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/provisions.a2FzYXV0aSB6aW5kYWdpIGtpIG1wMyBzb25nIGZyZWUgNzQa2F PDF link annotation
    • https://transserver.net/wp-content/uploads/2022/12/The_Blue_Lagoon_1980_Full_Movie_Free_Download.pdfIn PDF document text
    • https://nationalpark21th.com/2022/12/17/full-hd-veer-hindi-video-songs-free-download-high-quality/In PDF document text
    • https://endlessorchard.com/devcomponents-dotnetbar-v11-0-full-crack-top/In PDF document text
    • https://realestatepup.com/wp-content/uploads/2022/12/Mechanotechnics-N4-Question-Papers-And-Memorandums-Pdf-Free-REPACK.pdfIn PDF document text
    • https://www.dominionphone.com/wp-content/uploads/2022/12/BrainsBreaker-5-Activation-Code-Keygen-VERIFIED-Megaepub.pdfIn PDF document text
    • https://transserver.net/wp-content/uploads/2022/12/The_Blue_Lagoon_1980_Full_Movie_Free_DownlIn PDF document text
    • https://realestatepup.com/wp-content/uploads/2022/12/Mechanotechnics-N4-Question-Papers-And-MIn PDF document text
    • https://www.dominionphone.com/wp-content/uploads/2022/12/BrainsBreaker-5-Activation-Code-KeygIn PDF document text
    • http://signforcover.com/?pillowfit=roseacea&sansone=stoli/metropolitans/zg93bmxvywr8whyxttjonwezedhnvfkztvrjmk5qrtvom3g4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/provisions.a2fzyxv0asb6aw5kywdpigtpig1wmybzb25nigzyzwugnzqa2fIn PDF document text
    • http://dejavu.sourceforge.netIn extracted file (stream_003_off000025bf.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_003_off000025bf.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000025bf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x25BF 20296 bytes
SHA-256: 11d526370913a016a70712d4d82dea0988e7aebd2c9abc75b367d0f396d5dba0
font_01_sfnt_off00005ae6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AE6 19964 bytes
SHA-256: 5154a7c8cf7a9b55c2f939ad6a4a8f8327cd6552b9f68a87c49d10dfc747eaa8