Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4d3eaa5aa5f62cc…

MALICIOUS

PDF

135.3 KB Created: 2022-07-05 02:13:56 +00:00 Authoring application: ginekalp (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: dbdaf1836be375c58ad75c8b65c122d0 SHA-1: ff86e704bab6027e0e242939da8641ff2afb93d8 SHA-256: e4d3eaa5aa5f62cc70a23d8d034d343ee1af2e130a6ae9174f94ffc6fa2c4203
104 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0065

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://widesearchengine.com/jenny/isogenix/ZG93bmxvYWR8bzlrTW1odGEzeDhNVFkxTmprNE1UVXdOSHg4TWpVNE4zeDhLRTBwSUVobGNtOXJkU0JiUm1GemRDQkhSVTVk/addtional.progressing..QWRvYmUgUGhvdG9zaG9wIENDQWR PDF link annotation
    • http://widesearchengine.com/jenny/isogenix/zg93bmxvywr8bzlrtw1odgezedhnvfkxtmprne1uvxdoshg4twpvne4zedhlrtbwsuvobgntoxjku0jium1gemrdqkhsvtvk/addtional.progressing..qwrvymugughvdg9zag9wiendqwrIn 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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_020_off0001c3ec.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1C3EC 119072 bytes
SHA-256: df221e87b81d1531cafdadb6c09a602e9f604d1baf0a17bbd350cbb83baa06f7
font_00_sfnt_off00004872.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4872 84508 bytes
SHA-256: 2b7ba551bea82cc3307397981c1dbeb1b78486f95f2eb14e5e58d4e1b24edb0c
font_01_sfnt_off0000d05e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD05E 83036 bytes
SHA-256: 6d13e73e85a502a13969f6a5eaecd0b275a0868c045f80b7d64ed55d70678261

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