Malicious PDF — malware analysis report

Static analysis result for SHA-256 93c5cadb84efe920…

MALICIOUS

PDF

76.2 KB Created: 2022-05-08 17:54:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-13
MD5: 43a9008f837514f7812eb71d74e4c1ae SHA-1: afac26b24d617ee8d0f2d26b8d4e44f37e0fb380 SHA-256: 93c5cadb84efe920bcb17b2e071ba69347ce46258b8fba7dc8500383fd4f1220
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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 http://effektfilm.de/files/file/guwupatowusenak.pdf In PDF document text
    • https://www.gaiascience.com.my/assets/adminpanel/plugins/ckeditor/plugins/kcfinder/upload/files/46386827405.pdfIn PDF document text
    • http://gadkowski.pl/repository/filemanager/file/10417740369.pdfIn PDF document text
    • http://webursitet.org/kcfinder/upload/files/73004487349.pdfIn PDF document text
    • http://cy2hand.com/userfiles/xojobusavikitul.pdfIn PDF document text
    • http://www.niziointerior.pl/upload/file/pumozexu.pdfIn PDF document text
    • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16200f69ab033a---loguguzunuxigiwogut.pdfIn PDF document text
    • https://rujabeta.weebly.com/uploads/1/3/4/5/134529194/wiwokanimodago.pdfIn PDF document text
    • https://kizofupotumi.weebly.com/uploads/1/3/4/3/134314367/5073128.pdfIn PDF document text
    • https://www.insideaccess.lk/assets/js/kcfinder/upload/files/93358928632.pdfIn PDF document text
    • https://jurijibo.weebly.com/uploads/1/3/0/8/130874645/945b20577.pdfIn PDF document text
    • https://samsungdvm.net/upload/ckfinder/files/79579860451.pdfIn PDF document text
    • https://yennenga.org/business_school/uploads/file/58727233857.pdfIn PDF document text
    • http://aven.su/userfiles/file/14013688962.pdfIn PDF document text
    • https://goez3.com/10005001208290177/ckfinder/userfiles/files/rafamudogalolajotazudu.pdfIn PDF document text
    • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1620340ac81c1d---7996858645.pdfIn PDF document text
    • https://rivinelamaramu.weebly.com/uploads/1/4/1/5/141502389/4593142.pdfIn PDF document text
    • http://ssmsuits.com/kcfinder/upload/files/82806757515.pdfIn PDF document text
    • http://dobrasekacka.cz/userfiles/file/jorixenijobinapupi.pdfIn PDF document text
    • https://gunesakozi.weebly.com/uploads/1/3/0/9/130968934/sokafifidogipib.pdfIn PDF document text
    • https://colod.co.za/YmrXLWy8?keyword=effective%20data%20visualization%20pdf%20bookPDF 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_off0000c58a.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c58a.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c58a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC58A 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000dd9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD9C 17144 bytes
SHA-256: 98a57de1c888ce9a01b4b42830004a385026a6832365e82ab1f67750ba7df76d
font_02_sfnt_off00010a65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A65 10956 bytes
SHA-256: bc6a60ea1df4e97c82881c6e46fc9ac6976d0448ccf8e9daf14c4f4b43152d3f