Malicious PDF — malware analysis report

Static analysis result for SHA-256 1919f75170dd5829…

MALICIOUS

PDF

77.4 KB Created: 2021-11-07 00:54:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: 640aefac3ecbd0e1c8f23c7f48797bea SHA-1: 281813d8c810d2c81886a9f58b0c278b7526a16c SHA-256: 1919f75170dd582946f9b4220666c37913702de1d6f55beedae09d70a2f6e916
146 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9963

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
  • 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.
  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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://archism.ru/uplcv?utm_term=sterile+meaning+in+bengali PDF link annotation
    • http://numismatika-nbkpdy.cz/userfiles/file/bigupomoru.pdfIn PDF document text
    • http://119pump.net/d/files/papunudereziwurozasedexig.pdfIn PDF document text
    • http://bjerkelunden.org/content/files/userfiles/file///75164580989.pdfIn PDF document text
    • https://embassyinvietnam.com/webroot/img/files/dajobaza.pdfIn PDF document text
    • http://bernardthevenet.fr/ckfinder/userfiles/files/54637881232.pdfIn PDF document text
    • https://nonbodepsg.com/uploads/files/71059468776.pdfIn PDF document text
    • https://www.andreivieru.com/ckfinder/userfiles/files/bokedodar.pdfIn PDF document text
    • http://www.scea.edu.mn/ckfinder/userfiles/files/63966429828.pdfIn PDF document text
    • http://npi-management.com/ressource/site-image/files/54318255914.pdfIn PDF document text
    • http://netisiletisim.com/guvennet/resimlerfiles/24257003596.pdfIn PDF document text
    • http://twtipa.com/upfile/files/2021/10/04/wamesipedowajofubozajapes.pdfIn PDF document text
    • https://agape4u.org/userfiles/file/fuxivez.pdfIn PDF document text
    • http://www.prakashirrigation.com/uploads/fck/files/pinizimuxi.pdfIn PDF document text
    • http://matrixpaint.com/ckfinder/userfiles/files/29298844741.pdfIn PDF document text
    • https://phoenixturkey.com/upload/ckfinder/files/34420944007.pdfIn PDF document text
    • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161585b9b584ac---razulatagerexotigizasidel.pdfIn PDF document text
    • http://jump360.co/upload/files/20210919235706.pdfIn PDF document text
    • http://solarhomepage.ch/fckeditor/editor/images/file/nadugulugijotavose.pdfIn PDF document text
    • http://playbabydoll.com/userfiles/file/50759695160.pdfIn PDF document text
    • https://ajwatravel.com/wheelmarine/userfiles/file/fulafarevotov.pdfIn PDF document text
    • http://iseveranscopy.com/upload/editor/file/23946141270.pdfIn PDF document text
    • http://neoclassicalmansions.com/uplds/file/93588212579.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_off0000beb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBEB6 10376 bytes
SHA-256: a663088b24c2a45fe46172484f79188779a5b3762e03d0a1beb857cd53465c2d
font_01_sfnt_off0000d624.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD624 16540 bytes
SHA-256: 45015263e28dbf00792e0fa83ae0fb9123af5110209f191c00797c49350166ef
font_02_sfnt_off0000ed45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED45 22656 bytes
SHA-256: 3674188c33b7750314f2d5b0da084095656357f884fbb29c921989205462bea0

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