Malicious PDF — malware analysis report

Static analysis result for SHA-256 af205138edbbf518…

MALICIOUS

PDF

68.8 KB Created: 2022-02-05 06:30:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 19f321f26a841e54dd6a19d0527a94eb SHA-1: f9b3544e928042c600a458f9cec7fbcb09bd470e SHA-256: af205138edbbf51896a12c04a2c5e3e8684c555cfcc7271f704873a8c8119a0a
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9849

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://ragaz.co.za/XSRYdR1H?utm_term=avm+meiyappan+school+application+form+2019 PDF link annotation
    • https://corpus.bg/files/fck/file/nevitisasigir.pdfIn PDF document text
    • http://wolfpackbasketballacademy.com/content_docs/wigowido.pdfIn PDF document text
    • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/161af69a05051c---xutufesobagamakedon.pdfIn PDF document text
    • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161364ae97532f---kibakilasasumozazaj.pdfIn PDF document text
    • http://cansuyu.org/resimler/files/35746264067.pdfIn PDF document text
    • http://strategie-online.net/catalogue_dynamique/file/pogeb.pdfIn PDF document text
    • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161f4fdda2eab7---pigejimedegazofipekipanu.pdfIn PDF document text
    • http://ac-kenigsberg.ru/files/file/jisojaratoxe.pdfIn PDF document text
    • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/e94bcd1ff21aac470f3eeb632643d6b1/telotiwibake.pdfIn PDF document text
    • http://alphasigmaoverseas.com/userfiles/file/bufobevozusajipup.pdfIn PDF document text
    • https://guehenno.kendalch.com/upload/files/47647425388.pdfIn PDF document text
    • http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/binepevapezove.pdfIn PDF document text
    • http://uspeh-kursk.ru/ckfinder/userfiles/files/nesezolozinukafivux.pdfIn PDF document text
    • http://china-shengbang.com/upload_fck/file/2021-10-17/20211017155235486531.pdfIn PDF document text
    • https://biocoop.legreniervert.fr/ckfinder/userfiles/files/kewosikaze.pdfIn PDF document text
    • https://greenbins.ca/ckfinder/userfiles/files/getexezuso.pdfIn PDF document text
    • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/161e1aff9658a9---86166438189.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161dee75360278---rulosutoruwe.pdfIn PDF document text
    • https://www.colfacor.org.ar/administrador_web/kcfinder/upload/files/wuwodexusomenolozozukag.pdfIn PDF document text
    • http://ashioke.com/images/library/File/35217246372.pdfIn PDF document text
    • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/74ff53096546b642361f9189d333f768/95896022421.pdfIn PDF document text
    • http://muzeumostrowiec.pl/obrazy/file/52966081386.pdfIn PDF document text
    • http://minuspk.ru/minuspk.ru/userfiles/file/kirukozejilebidejijamis.pdfIn PDF document text
    • http://zonatourism.com/media/ck/files/muwegaguxumefedav.pdfIn PDF document text
    • http://www.propper-droppers.nl/files/file/gurale.pdfIn PDF document text
    • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161b1b9fdc5328---rilituwuseje.pdfIn PDF document text
    • http://telegid.tv/userfiles/files/80220023865.pdfIn PDF document text
    • http://traiteur-ribot.fr/userfiles/file/84899719341.pdfIn PDF document text
    • https://furedgym.webtarhely.org/webroot/upload/files/ziwil.pdfIn PDF document text
    • http://wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/30173827402.pdfIn PDF document text
    • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161c025f07f239---76441067581.pdfIn PDF document text
    • http://mikllc.mn/uploads/files/63679680798.pdfIn PDF document text
    • http://tasarimak.com/ckfinder/userfiles/files/95613991378.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_off0000a952.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA952 11368 bytes
SHA-256: 9cbb6494fe5d680b8223ecc353c555b75248a8f8dfe9d184f13e29f78be47590
font_01_sfnt_off0000c409.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC409 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off0000db24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB24 16276 bytes
SHA-256: 9e73ce67719482e0d7e9833a6b13a5e8cc1bcb33ef7c1fc19e20c0ed719d0199

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