Malicious PDF — malware analysis report

Static analysis result for SHA-256 478fe53fbcb8e4ff…

MALICIOUS

PDF

79.2 KB Created: 2022-03-26 07:42:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 24daadb7a0f5463456d11f9531e92fa7 SHA-1: d0fb724fc1c0e246f3e71b38303a5d1837faee9a SHA-256: 478fe53fbcb8e4ffa6d9aca4657a7ccc7413e6c73bd56430047ffd96035e66ad
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://yubit.co.za/YmrXLWy8?keyword=tafsir%20ibn%20kathir%20darussalam%20pdf%20urdu PDF link annotation
    • https://nidetufuw.weebly.com/uploads/1/3/6/0/136097009/d44004b62c7.pdfIn PDF document text
    • https://wufaxewixebel.weebly.com/uploads/1/3/5/3/135302410/3e63b.pdfIn PDF document text
    • https://nobixotozuf.weebly.com/uploads/1/3/4/4/134472493/6243160.pdfIn PDF document text
    • https://kujegafibez.weebly.com/uploads/1/3/4/2/134265926/2c51d6.pdfIn PDF document text
    • https://gapepaweduli.weebly.com/uploads/1/3/5/4/135400658/nezudemavi.pdfIn PDF document text
    • https://pobanofesu.weebly.com/uploads/1/3/1/3/131398475/melixaxekidudum-jinepasuj-tobur-dotewalexa.pdfIn PDF document text
    • https://warasogufav.weebly.com/uploads/1/3/4/4/134440103/2940577.pdfIn PDF document text
    • https://kuxobemif.weebly.com/uploads/1/3/1/3/131379353/3660553.pdfIn PDF document text
    • https://panejukirid.weebly.com/uploads/1/3/1/6/131606092/1c4cb73d.pdfIn PDF document text
    • https://fosogizubosa.weebly.com/uploads/1/3/1/6/131637108/jegun_miwakaxi_kavapoxi_rarorose.pdfIn PDF document text
    • https://wetivaxidufe.weebly.com/uploads/1/3/4/8/134891283/furazogemem-digevilasokav-kafibi-jigipovowuwu.pdfIn PDF document text
    • https://sajakuzotile.weebly.com/uploads/1/3/1/0/131071181/buzabigilotimevob.pdfIn PDF document text
    • https://nijupafubowawiz.weebly.com/uploads/1/3/4/0/134012726/nibowe.pdfIn PDF document text
    • https://kumazapo.weebly.com/uploads/1/3/2/7/132710765/2944329.pdfIn PDF document text
    • https://wolimabapoz.weebly.com/uploads/1/4/1/2/141218080/gujetoxuniluwuvi.pdfIn PDF document text
    • https://lozorodarefela.weebly.com/uploads/1/3/2/6/132681783/petazubijewolaz.pdfIn PDF document text
    • https://wufikaxom.weebly.com/uploads/1/3/4/8/134883002/babotipokepoboxu.pdfIn PDF document text
    • https://vorexumezekadan.weebly.com/uploads/1/3/0/9/130969740/e8fd3.pdfIn PDF document text
    • https://wifamiwipefap.weebly.com/uploads/1/3/0/7/130738562/morepagujad_pisixipujog_lofapopuvoken.pdfIn PDF document text
    • https://wafubimuzev.weebly.com/uploads/1/3/4/8/134869603/maligebovos.pdfIn PDF document text
    • https://zuzigomotof.weebly.com/uploads/1/3/4/8/134889908/8356a1f51bd.pdfIn 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/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_008_off0000f743.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xF743 18936 bytes
SHA-256: d17b0e8429cadf2826eb52f5d8357f0ea287313d48c1846ca0282f1ec5925620
font_00_sfnt_off0000b34a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB34A 17252 bytes
SHA-256: 0b8effd75831d82b8440f7d93074e4c013d31f53b8195bb417d5d9a27e13be09
font_01_sfnt_off0000e0a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0A5 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_03_sfnt_off00011558.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11558 10808 bytes
SHA-256: fb9574c5571049722d745397d78fa475efd55b461bc642da03e0ebc130e93dd3

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