Malicious PDF — malware analysis report

Static analysis result for SHA-256 7934d8b2b864e83c…

MALICIOUS

PDF

76.1 KB Created: 2021-12-13 05:58:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 0b639b5e54b9729e20a3e0e873a44126 SHA-1: e1322e2be4ca22ff013008b83521cd553219fed1 SHA-256: 7934d8b2b864e83c1b779afe3758b844de5c156426b7cb10f708b489321c33e6
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9976

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://mmrh.myagenda.cz/pictures/editor/files/vurarelajena.pdf In PDF document text
    • http://palakkadtourism.in/ckfinder/userfiles/files/8174294897.pdfIn PDF document text
    • http://goodfortune.hk/UpLoadFile/file///49395120969.pdfIn PDF document text
    • http://buyyoutubecomments.com/ci/userfiles/files/wujegulenupenavonajilof.pdfIn PDF document text
    • https://oz.korytnica.eu/data/files/22822435950.pdfIn PDF document text
    • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/13505774958.pdfIn PDF document text
    • http://thetestmag.com/userfiles/files/51687612034.pdfIn PDF document text
    • http://poltinik.ru/userfiles/file/47498040221.pdfIn PDF document text
    • http://thechelseaff.com/user_uploads/files/wukugesafebifazojudikef.pdfIn PDF document text
    • https://weeb.nu/userfiles/file/punas.pdfIn PDF document text
    • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5c9c34cc8a690536c81f50515be628ce/lijep.pdfIn PDF document text
    • http://clairvoyantinfotech.com/demo/images/42940384358.pdfIn PDF document text
    • https://pfhotel.gr/ckfinder/userfiles/files/funuxajitisapizigud.pdfIn PDF document text
    • http://euredit-editions.com/userfiles/file/faragezalul.pdfIn PDF document text
    • http://uitvaartverzorgingsindex.nl/images/uploads/jovebizimulolubaja.pdfIn PDF document text
    • http://abovomedia.hu/_user/file/bonoxe.pdfIn PDF document text
    • http://szermgrt.hu/uploads/ckfinder/userfiles/files/rimireloxivenizupuka.pdfIn PDF document text
    • http://forti.in/userfiles/file/puterelesupanewenidofija.pdfIn PDF document text
    • http://ajeah-intl.org/fck_image/file/12689076019.pdfIn PDF document text
    • http://master-vin.ru/files/file/kokuvipopisotazi.pdfIn PDF document text
    • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/161903bcdb7670---luxaluxufikape.pdfIn PDF document text
    • http://wedooverseas.com/userfiles/file/46595038335.pdfIn PDF document text
    • https://itchanoi.vn/uploads/news_file/walare.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/BGAemAmcdTc/uplcv?utm_term=how+much+does+a+barista+at+starbucks+make+in+californiaPDF 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_off0000c365.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC365 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off0000da04.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA04 17696 bytes
SHA-256: 92b582b125c1ac005237a9fa73c770386baa81b11159722cfc63ddf94ede9c29
font_02_sfnt_off0001084c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1084C 11148 bytes
SHA-256: dee3d502b0d64e14fbf7cbbe387e292a5cf4271c3332c152696172e377d793ad

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