Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e310ebe84085c45…

MALICIOUS

PDF

82.9 KB Created: 2021-10-08 06:06:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 5422ea9461cdd3c6772787a47dc67c06 SHA-1: badbc4da17e1d52c1fb0450aeb2dde048a320595 SHA-256: 4e310ebe84085c4526590d799e5d1febac0aae73e43d3a34aa312bc658520b96
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

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://9ja-bet.com/userfiles/file/98642857177.pdf In PDF document text
    • http://krukewittfarms.com/userfiles/file/53673486330.pdfIn PDF document text
    • https://hensuyenpqa.traigiongthuha.com/ckfinder/userfiles/files/15789830229.pdfIn PDF document text
    • https://fisheaglesafaris.net/pics/user/file/26408470676.pdfIn PDF document text
    • http://tz5168.com/uploadfile/image/2021/09/26/file/20210926_192513_198.pdfIn PDF document text
    • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16155f87d9a6b2---41014312000.pdfIn PDF document text
    • https://transmar.biz/ckfinder/userfiles/files/nusowukexukamujomagasova.pdfIn PDF document text
    • https://resortweeks.pro/userfiles/file/10156468850.pdfIn PDF document text
    • http://ettorebelfioreliutaio.it/userfiles/files/gidotiro.pdfIn PDF document text
    • http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/24422768483.pdfIn PDF document text
    • https://sieuthigo.vn/upload/ck/files/safutoxabam.pdfIn PDF document text
    • http://vigova.vn/Images_upload/files/11683724677.pdfIn PDF document text
    • http://vicc.huh.hu/UserFiles/File/damikisu.pdfIn PDF document text
    • https://dalnoboy.com/data/filestorage/upload/files/13885806958.pdfIn PDF document text
    • http://take114.kr/FileData/ckfinder/files/20210923_120FE9249C5A0114.pdfIn PDF document text
    • http://fc-junajted.com/upload/datoteke/81629452695.pdfIn PDF document text
    • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/11747541fbf9859b43123073add3f9ff/wamujo.pdfIn PDF document text
    • http://onthebroadway.com/CPD/adminpanel/upload/file/63832848907.pdfIn PDF document text
    • https://temahr.hr/files/94740126958.pdfIn PDF document text
    • http://mywymc.com/userfiles/file/jifomomilusarijisixawaf.pdfIn PDF document text
    • http://pop-around.com/file_media/file_image/file/xoburo.pdfIn PDF document text
    • https://kueapem.com/contents/files/nodemekixipiwiwume.pdfIn PDF document text
    • http://grandfiltr.com/files/file/gaziwuxeravipidalo.pdfIn PDF document text
    • http://sumisaedu.com/FileData/ckfinder/files/20210912_18FE796ACA3327CA.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=huck+finn+quotes+about+freedomPDF link annotation
    • 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_off0000d8ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8CA 20236 bytes
SHA-256: 8aef29191c3f77edc955d1fb12996ff53566f3aa3d6acf6cddc1c2559c06ffff
font_01_sfnt_off00010c20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C20 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00012437.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12437 11060 bytes
SHA-256: bf355f3603c8b94ce2bb551545db4c3fb4a61dfeb8dade66bc13b5d9e3f2e552

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