Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e6794253de8e13…

MALICIOUS

PDF

90.1 KB Created: 2021-09-11 00:57:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: df992e259b5571750d98395c9543fa1d SHA-1: bb7bc0f897375b0ecd9294e93209bdc84f45fb1c SHA-256: d3e6794253de8e13b4949b76d4d807ffb88cb1a4dd1083833e07a08b667305d7
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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 http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/7la2hs429b7v7d6udl7jr2l031/45193676227.pdf In PDF document text
    • http://xageunion.com/userfiles/file/zarijivatokojatutaxel.pdfIn PDF document text
    • http://celyroknaterase.sk/editor_uploads/system/files/kanalabiviluterikiradol.pdfIn PDF document text
    • http://dmychadla.eu/UserFiles/File/pegapevorupijakuzosu.pdfIn PDF document text
    • http://musthighschool.mn/ckfinder/userfiles/files/77950613801.pdfIn PDF document text
    • http://audiohrestomatiya.ru/content/file/soxopafoperadus.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea6886db26---bugomumagafafinuvi.pdfIn PDF document text
    • http://www.afurg.com.br/assets/ckfinder/userfiles/files/megovajokixadosup.pdfIn PDF document text
    • http://aptwash.com/userData/ebizro_board/file/65203211727.pdfIn PDF document text
    • http://dh-cell.net/ckfinder/userfiles/files/74036688694.pdfIn PDF document text
    • https://aykutemlak.com/upload/ckfinder/files/48910125117.pdfIn PDF document text
    • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130ef44a4247---febexux.pdfIn PDF document text
    • https://charming-dc.com/uploads/files/202109101745369277.pdfIn PDF document text
    • https://abhrian.com/userfiles/files/gasalezagomaxarajesu.pdfIn PDF document text
    • https://nedimgame.com/calisma2/files/uploads/zoripotoja.pdfIn PDF document text
    • http://newgrids.com/userfiles/file/wemivitos.pdfIn PDF document text
    • http://mskgroup-spb.ru/upload/file/kedosugumudu.pdfIn PDF document text
    • https://777mto.com/contents/files/jugigubewabawozotijozile.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=new+mutants+full+moviePDF 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_off0000fe74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE74 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00011686.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11686 17228 bytes
SHA-256: 309e75e33983b12293a4fe25b55450d70041c1f6ac70746da897eae6d372210e
font_02_sfnt_off00014334.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14334 10504 bytes
SHA-256: 02b582ec797719f66ff62871bd757a66548851243f102621e0f147eaf2b45130

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