Malicious PDF — malware analysis report

Static analysis result for SHA-256 29ff4010ae148a3c…

MALICIOUS

PDF

186.2 KB Created: 2025-04-29 00:31:31 +03:00 Authoring application: 376377000w000k000h000t000m000l000t000o000p000d000f000 0000000.00010002000.0006 (via GPL Ghostscript 9.53.3) First seen: 2026-06-01
MD5: 171ec4cb122c82a2b7fed29f75f49b63 SHA-1: de9bf46442b0e6ebbcc51223b5918cd174301ba6 SHA-256: 29ff4010ae148a3c118209b1f26932efe7651f841eb68406e9a6815b230fa582
86 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0018

Heuristics 5

  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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 https://fumazopavov.zuwufag.com/73495904271370018056412422?buredodogupagoxelupafizaxamiruduwugorobijovajemifenogugipexuzinegumum=xulupogifomemogofepifulududupodinikufidesugiremajasaxupapemupewilobaxizizilumaxevomunumuwonofufujadizewotevedadojogagaverumurariwawolusokewipisubifigefotuwujidubekejoboxubapufatijudawoburejumitanojebikunepen&utm_term=chitinous+carnival+guide&jarozavonoramedupavegizizekejisulalopijegunosaxigudogukesesirenadelulokogapifobugojogoterosep=ribamajudugefotirotaruxorunesikurorebiligusifoporizawavotasikomupemupadetusotapajojefatexabugewokatuxemibileloworuranekepiloxiwagiduxegenewel)/Type/Action In document body
    • https://fumazopavov.zuwufag.com/73495904271370018056412422?buredodogupagoxelupafizaxamiruduwugorobijovajemifenogugipexuzinegumum=xulupogifomemogofepifulududupodinikufidesugiremajasaxupapemupewilobaxizizilumaxevomunumuwonofufujadizewotevedadojogagaverumurariwawolusokewipisubifigefotuwujidubekejoboxubPDF link annotation
    • https://fumazopavov.zuwufag.com/73495904271370018056412422?buredodogupagoxelupafizaxamiruduwugorobijovajemifenogugipexuzinegumum=xulupogifomemogofepifulududupodinikufidesugiremajasaxupapemupewilobaxizizilumaxevomunumuwonofufujadizewotevedadojogagaverumurariwawolusokewipisubifigefotuwujidubekejoboxubapufatijudawoburejumitanojebikunepen&utm_term=chitinous+carnival+guide&jarozavonoramedupavegizizekejisulalopijegunosaxigudogukesesirenadelulokogapifobugojogoterosep=ribamajudugefotirotaruxorunesikurorPDF link annotation
    • https://fumazopavov.zuwufag.com/73495904271370018056412422?buredodogupagoxelupafizaxamiruduwugorobijovajemifenogugipexuzinegumum=xulupogifomemogofepifulududupodinikufidesugiremajasaxupapemupewilobaxizizilumaxevomunumuwonofufujadizewotevedadojogagaverumurariwawolusokewipisubifigefotuwujidubekejoboxubapufatijudawoburejumitanojebikunepen&utm_term=chitinous+carnival+guide&jarozavonoramedupavegizizekejisulalopijegunosaxigudogukesesirenadelulokogapifobugojogoterosep=ribamajudugefotirotaruxorunesikurorebiligusifoporizawavotasikomupemupadetusotapajojefatexabugewokatuxemibileloworuranekepiloxiwagiduxegenewelIn document body
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In document body
    • http://ns.adobe.com/iX/1.0/In document body
    • http://ns.adobe.com/pdf/1.3/In document body
    • http://ns.adobe.com/xap/1.0/In document body
    • http://ns.adobe.com/xap/1.0/mm/In document body
    • http://purl.org/dc/elements/1.1/In document body
    • http://ns.adobe.com/xap/1.0/rights/In document body

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0001f883.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1F883 1049600 bytes
SHA-256: a47c8d80023153dde6bcdab322b746bc81c0e192bd1ed7c70a4480f1275261aa
font_00_sfnt_off0002b6e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B6E1 2144 bytes
SHA-256: a0c638b0a83cdac58a957dfb09693454415e9e960ea5c81fbbea998f481ce39d
font_01_sfnt_off0002be95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE95 8072 bytes
SHA-256: aec66c8426da958fa97ce657e2edd34d558d3c09af88e7d3f276d97d77af14c9