Malicious PDF — malware analysis report

Static analysis result for SHA-256 4251e9a2a82c82b0…

MALICIOUS

PDF

78.9 KB Created: 2022-05-24 10:40:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 955cd8c56ca08475a14b5037dec9c524 SHA-1: 57496b32b3836913178f2d9a39551fc99865d204 SHA-256: 4251e9a2a82c82b0b1a87872aa722e1f17137d6d393066b69191814c24ee81b5
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

Heuristics 5

  • 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 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://norin.co.za/YmrXLWy8?keyword=2013%20toyota%20camry%20hybrid%20manual%20pdf%20download%20pdf PDF link annotation
    • https://jotabaputeja.weebly.com/uploads/1/3/5/3/135350690/dorelime_konile.pdfIn PDF document text
    • https://surogupidaxa.weebly.com/uploads/1/3/4/9/134901722/tidofaxiba.pdfIn PDF document text
    • http://consoles-a-gagner.com/fckeditor/userfiles/file/72300453932.pdfIn PDF document text
    • https://lilubulet.weebly.com/uploads/1/4/1/6/141680053/6a95f919.pdfIn PDF document text
    • https://muxetomanudone.weebly.com/uploads/1/3/1/4/131406273/562578e47b5d536.pdfIn PDF document text
    • http://reside-realestate.de/user_files/files/22043585259.pdfIn PDF document text
    • https://voskovefiguriny.cz/kcfinder/upload/files/54604257551.pdfIn PDF document text
    • https://fafugugopogewip.weebly.com/uploads/1/3/4/4/134464831/5700466.pdfIn PDF document text
    • https://heureka-cz.eu/files/paxirumotonituvi.pdfIn PDF document text
    • http://ing-triplee.com/ckeditor/kcfinder/upload/files/75103329334.pdfIn PDF document text
    • http://ros-grad.ru/fck_editor_files/files/kodubofexixidofiku.pdfIn PDF document text
    • https://vowemiwa.weebly.com/uploads/1/3/5/3/135392560/7502a3e00671d8e.pdfIn PDF document text
    • https://musorejotojubob.weebly.com/uploads/1/4/1/5/141593637/koworiwiro_tafibajatex_romimine_pusetasut.pdfIn PDF document text
    • https://sanipacific.com/attachment/file/33305895868.pdfIn PDF document text
    • https://zunuboxumala.weebly.com/uploads/1/4/1/3/141320446/wafimavema.pdfIn PDF document text
    • https://stmarys-perthamboy.com/upload/File/pinul.pdfIn PDF document text
    • http://dayou.tw/uploadpic/files/202204212255091421.pdfIn PDF document text
    • https://majubesar.org/contents/files/51564543902.pdfIn PDF document text
    • https://wuzonurugale.weebly.com/uploads/1/4/1/3/141373860/bunaroki.pdfIn PDF document text
    • https://mawajajapok.weebly.com/uploads/1/3/4/3/134353668/1644302.pdfIn PDF document text
    • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/162606608331cf---8290707887.pdfIn PDF document text
    • http://namaslennikova.ru/kcfinder/upload/files/vuvazefu.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ccf5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCF5 17136 bytes
SHA-256: 693a377f57068b60fbcca3b756341ba535b7c9eeb314e35997ef0812fc1bdb69
font_01_sfnt_off0000f9d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9D7 11392 bytes
SHA-256: a06baa29003e79671209bf930686b64c13639ff558d9b1029443db635c5995b5
font_02_sfnt_off0001146d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1146D 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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