Malicious PDF — malware analysis report

Static analysis result for SHA-256 26be586618e46ede…

MALICIOUS

PDF

72.9 KB Created: 2021-11-19 00:27:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-25
MD5: 4bdeb84ae80fda8e244d612bf5406bc6 SHA-1: bb6804cb317ad9cd430e2a08ab497ddf3689ab11 SHA-256: 26be586618e46edee617f85967ed68d4f2ed8e31424d02d0167c912d37b49e0e
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9973

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://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16147ec99c798f---6964983317.pdf In PDF document text
    • http://max-metal.pl/gfx/file/24743528002.pdfIn PDF document text
    • https://coebmsf.com/userfiles/file/berexetuz.pdfIn PDF document text
    • http://indianapit.thriftstorewebsites.net/flash/indianapit.thriftstorewebsites.net/file/gimepiputupukizuk.pdfIn PDF document text
    • http://logtech.cz/foto/Image/file/bonasoziminubidoki.pdfIn PDF document text
    • http://zapatosperezcabrera.com/ckfinder/userfiles/files/rowuluwoxakanomubeterir.pdfIn PDF document text
    • http://consade.com/userfiles/file/27721207621.pdfIn PDF document text
    • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16195252ee0464---topojuligan.pdfIn PDF document text
    • http://levakov132.ru/userfiles/file/dexokosigorafukukepomejof.pdfIn PDF document text
    • http://bushurov.ru/images/files/xobawuwoxezipuni.pdfIn PDF document text
    • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/356ab9b8bb65cdb65da5a6a5e5991e8f/73435518811.pdfIn PDF document text
    • http://avon-bratislava.com/files/files/5634450870.pdfIn PDF document text
    • https://lompatjauh.com/contents/files/93304921682.pdfIn PDF document text
    • http://getdol.com/page_data/file/pibepotuwanilelud.pdfIn PDF document text
    • http://timnhanhonline.vn/upload/files/76377585075.pdfIn PDF document text
    • https://asoriofrio.org/ckfinder/userfiles/files/potivezibati.pdfIn PDF document text
    • http://smsalumni1971.com/apadmin/uploads/userfiles/files/6677879038.pdfIn PDF document text
    • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1618dfdf148c6e---96580037465.pdfIn PDF document text
    • http://ckud.handysociality.com/upload/files/20098090513.pdfIn PDF document text
    • http://stalmont.eu/userfiles/file/vovovewewakubelo.pdfIn PDF document text
    • https://iagclaims.endataclaims.com/ModCoreFilesUploaded/file/86141071895.pdfIn PDF document text
    • https://www.playitdirect.ca/ckfinder/uploadfiles/files/54183127687.pdfIn PDF document text
    • http://autoescuelatosal.com/galeria/files/60917707135.pdfIn PDF document text
    • https://holcom-solar.com/webroot/img/files/sojiviwuwoxomixe.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Gsjc/~3/UsNeCLCzgYg/uplcv?utm_term=convrt+png+to+pdfPDF 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_off0000bbaa.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000bbaa.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bbaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBBAA 10172 bytes
SHA-256: b523216a6b1933a326a8833ca86477dbb5068c4ccffad87de39db4f6a4e4711b
font_01_sfnt_off0000d251.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD251 17576 bytes
SHA-256: bea897b9e867a1f21b39ec3612cf2c39a2409c639d42cf669c6981d6d0c55b74
font_02_sfnt_off0000ff29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF29 16540 bytes
SHA-256: 45015263e28dbf00792e0fa83ae0fb9123af5110209f191c00797c49350166ef