Malicious PDF — malware analysis report

Static analysis result for SHA-256 48d68ade731b8810…

MALICIOUS

PDF

81.6 KB Created: 2022-05-02 09:37:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-12
MD5: 507fc3f2e2a85b0623be27969839ab7f SHA-1: 3bac19cd44da2d6ed4921b9093b4817f0bad413e SHA-256: 48d68ade731b88105e686ce05c3055ec05660d53bf7a351584e5a1626f673485
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://nozirokopen.weebly.com/uploads/1/3/4/6/134613575/menuzitevodimipurita.pdf In PDF document text
    • https://a2designbg.com/userfiles/file/vezusoweru.pdfIn PDF document text
    • https://malinaionescu.ro/userfiles/file/lozenesogagunabakebidef.pdfIn PDF document text
    • http://dermalab.pl/userfiles/file/48943371739.pdfIn PDF document text
    • http://test.currentaffairsfunda.com/assets/kcfinder/upload/files/bipuzod.pdfIn PDF document text
    • http://www.yc-host.com/upload/files/48569697581.pdfIn PDF document text
    • http://solarwindependence.com/ckfinder/userfiles/files/72952506610.pdfIn PDF document text
    • https://rudanivaxaf.weebly.com/uploads/1/3/4/4/134497940/tadades.pdfIn PDF document text
    • https://hung168.tw/UserFiles/files/96711077349.pdfIn PDF document text
    • http://pinboulevard.com/file_space/files/rixexamatepedosofozatowod.pdfIn PDF document text
    • http://jl-vacuum.com/upload/files/didezoxobewadipesofuxo.pdfIn PDF document text
    • https://dozetiwe.weebly.com/uploads/1/3/1/8/131856451/ccac0b2196.pdfIn PDF document text
    • http://mentoslaci.hu/admin/kcfinder/upload/files/41145466321.pdfIn PDF document text
    • http://narnivet.com/userfiles/files/lidipinefijesu.pdfIn PDF document text
    • http://kedehg.com/ckfinder/userfiles/files/19703743990.pdfIn PDF document text
    • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16206eb5c4d41f---88731521832.pdfIn PDF document text
    • http://gz-theoutfit.com/UploadFiles/FCKeditor/20220321022140.pdfIn PDF document text
    • http://helpnri.org/kcfinder/upload/files/39996587873.pdfIn PDF document text
    • https://petribax.nl/userfiles/file/devofidojiz.pdfIn PDF document text
    • https://rakonudiboxenej.weebly.com/uploads/1/3/4/8/134874851/3314805.pdfIn PDF document text
    • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1624bbe2d4c040---76783346625.pdfIn PDF document text
    • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1622fe800d6e45---84479188197.pdfIn PDF document text
    • https://kenyereskemence.hu/userfiles/file/xuxamovufazisam.pdfIn PDF document text
    • https://lazav.co.za/YmrXLWy8?keyword=amplificador%20sony%20xplod%201200w%20xm-2002%20gtrPDF 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 extracted file (font_00_sfnt_off0000d33c.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d33c.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d33c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD33C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000eb4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB4E 19264 bytes
SHA-256: f55a47ab5b3de979941f284c238d606931f6d6b56d8628d0c309742e8a6c63d2
font_02_sfnt_off00011d0b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11D0B 11444 bytes
SHA-256: 37146ad3dc57f88cfb3aaad1e90baef763853a496dd4946bd37f51c33645e31d