Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e34fa16df6c48e…

MALICIOUS

PDF

73.0 KB Created: 2021-09-15 06:04:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: b05e3b879fdd9b32e30c27be4840d8a0 SHA-1: f7a6cf89050ef917ad328229dd606188ece2e9e3 SHA-256: d3e34fa16df6c48e73b029d75bdd5ae1648d9f7ac088d1d4da30b1266d463986
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9976

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
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://chcial.ru/uplcv?utm_term=best+wifi+repeater+app+android PDF link annotation
    • http://nuovojob.com/userfiles/files/52810182045.pdfIn PDF document text
    • http://bioaec.com/userfiles/files/fixaguxupuwiwodipuma.pdfIn PDF document text
    • https://sbmhavacilik.com/userfiles/file/17721700019.pdfIn PDF document text
    • https://itchanoi.vn/uploads/news_file/kapavuwe.pdfIn PDF document text
    • http://ideatity.com/ckfinder/userfiles/files/zoxavopumuwosi.pdfIn PDF document text
    • https://mexico-airport-transfers.com/ckfinder/userfiles/files/ditoxagitozakexoxijij.pdfIn PDF document text
    • http://anael.fr/fckeditor/userfiles/file/98623135858.pdfIn PDF document text
    • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/161365b532cdcf---kusexowajila.pdfIn PDF document text
    • https://autopsrus.com/ckfinder/userfiles/files/pijibarezavisev.pdfIn PDF document text
    • http://www.de.ruben.pl/ckfinder/userfiles/files/mapebizogok.pdfIn PDF document text
    • http://roleco.pl/data/aktualnosci_imgs/file/ronadujibi.pdfIn PDF document text
    • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/daspjadk5fleacdmo5pfa5kqi1/rikunekugaloresinumufaki.pdfIn PDF document text
    • http://fcvperu.org/data/fcvperu/userfiles/file/fotuwinurabivuseli.pdfIn PDF document text
    • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/747e9d476320a0517ffb06267c17c9e9/90300256416.pdfIn PDF document text
    • https://charterboatdeliverance.com/uploads/files/bimaz.pdfIn PDF document text
    • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/161411bf518fd6---90444710320.pdfIn PDF document text
    • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133bc36d0803---96488823940.pdfIn PDF document text
    • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/02b33a3231973c5a86a2a0e8f4d84f35/57472785028.pdfIn PDF document text
    • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d11398b154---813036077.pdfIn PDF document text
    • http://kaupa.cz/userfiles/file/walajede.pdfIn PDF document text
    • https://nacionalequipamentos.com/ckeditor/uploads/files/mukipozonulosejevan.pdfIn PDF document text
    • https://theshamrockpublecco.it/file/jipixolimeni.pdfIn PDF document text
    • http://kondicionery-krasnogorsk.ru/upload_picture/file/mumonarupepe.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_off0000bac6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBAC6 10584 bytes
SHA-256: c98085e5353196412602ad231acb3e9cb5100a8b1fb0ce7e0198a1e74e9c1a33
font_01_sfnt_off0000d327.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD327 16700 bytes
SHA-256: 73c4da147a5681122f64085d4a186a4155fe0ed228c63c3f91d415fca2b00bb0
font_02_sfnt_off0000fe03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE03 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1