Malicious PDF — malware analysis report

Static analysis result for SHA-256 25c87a077bb4cb14…

MALICIOUS

PDF

82.3 KB Created: 2022-04-08 16:57:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-02
MD5: 581f9a128cf75827bc0b1e15ceba724c SHA-1: 6c28dbeefbd231f254bb3df2768faf5cdcbd3be7 SHA-256: 25c87a077bb4cb14a5d8baf200725586cadf36646870b840b94d47eb14b6d6ad
151 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9978

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 advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
    PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
  • 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://lovig.co.za/YmrXLWy8?keyword=what%20does%20it%20mean%20to%20put%20on%20the%20full%20armour%20of%20god PDF link annotation
    • https://wroclawmodelshow.pl/ckfinder/userfiles/files/nozozajepakumeka.pdfIn PDF document text
    • http://csc-027.com/userfiles/file/20220403182021_kjog7u.pdfIn PDF document text
    • http://vo23.ru/upload/file/sadizisiluzi.pdfIn PDF document text
    • http://www.espace-hotelier.com/ckfinder/userfiles/files/72539777220.pdfIn PDF document text
    • https://akupunkturas-kezeles.hu/userfiles/file/makov.pdfIn PDF document text
    • http://www.bash.cl/media/file/53372025037.pdfIn PDF document text
    • http://sjanzee.nl/file/32771017474.pdfIn PDF document text
    • http://waheedullahauto.ae/admin/kcfinder/upload/files/80008748380.pdfIn PDF document text
    • http://fukaofoods.tw/uploads/files/202202231448082232.pdfIn PDF document text
    • http://chianchang.yun2u.com/upload/files/31126596735.pdfIn PDF document text
    • http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/xufobiwusegiwikuluzududig.pdfIn PDF document text
    • http://gdi-fr.com/upload/upload/23325781876.pdfIn PDF document text
    • http://bursaceyizgelinlik.com/images_upload/files/kunivamakofavugiduxujo.pdfIn PDF document text
    • http://www.krishnashouse.com/ckeditor/kcfinder/upload/files/fevusopebi.pdfIn PDF document text
    • https://hr-serdahel.hu/images/file/33705141460.pdfIn PDF document text
    • http://iccj.jp/images/uploads/fckeditor/file/lipedumubewevigipuz.pdfIn PDF document text
    • https://www.systemswecare.com/admin/kcfinder/upload/files/37430368.pdfIn PDF document text
    • http://produkty.promiennik.pl/resources/files/sumebafofojeruz.pdfIn PDF document text
    • http://www.comhairleuladh.com/uploads/files/829701287.pdfIn PDF document text
    • https://cf2019.codefon.hu/js/ckfinder/userfiles/files/39102260328.pdfIn PDF document text
    • https://xn--interpeas-r6a.es/upload/files/mububa.pdfIn PDF document text
    • http://autovoda.ru/upload/files/67513571321.pdfIn PDF document text
    • https://mumkenn.com/app/webroot/upload/files/76353945361.pdfIn PDF document text
    • http://chocoenglish.com/_UploadFile/Images/file/12616330121.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 extracted file (font_00_sfnt_off0000d8f7.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d8f7.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d8f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8F7 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000f10e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF10E 11036 bytes
SHA-256: a02911400d9d1063254b574ba655c2128f6e5b85d0682bc91dfca57deec91f9a
font_02_sfnt_off00010a51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A51 17776 bytes
SHA-256: 4c1267cee1ec3ff50d7c76dba0429f082d61106712ad79f753ef568c2cced292