PDF malware analysis — malicious · af2cf5411976ea36

MALICIOUS

PDF

390.4 KB Created: 2022-01-31 04:27:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21

MD5: e820cc5e35101b398a1e384494e18890 SHA-1: 687725b07e58b688d68598c89e2657f35232e0e2 SHA-256: af2cf5411976ea36bbd74344f2f22bf53fb7876a84e5b61324ae31c3631463be

166 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.5598

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
Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK

PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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.
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://lovig.co.za/XSRYdR1H?utm_term=easy+fiddle+tunes+sheet+music PDF link annotation
- https://1000fdep.talenzsoftware.fr/upload/files/wolonafamesadederapu.pdfIn PDF document text
- https://dewalt-naradi.cz/media/upload/editor/file/3429833936.pdfIn PDF document text
- http://dgxzz.com/uploadfile/file/vigalefudozilaroroxenopuj.pdfIn PDF document text
- http://e-menu.hu/editor_up/puwojifur.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/67b0f8c06ec39ab92cf7aae99b9bc28d/ritejivowaxelosi.pdfIn PDF document text
- http://mnogonomerov.ru/uploads/file/49573237367.pdfIn PDF document text
- http://inannamsao.com/uploads/files/37639986320.pdfIn PDF document text
- http://antwerp-reefer-tournament.be/argt/files/30153890434.pdfIn PDF document text
- https://olamare.com/img/uploaded/file/kefojafaduduzomilujoja.pdfIn PDF document text
- https://www.caposalasicilia.com/admin/ckeditor/kcfinder/upload/files/56151228173.pdfIn PDF document text
- https://barcelonamedicalcenter.com/files/galeria/files/fugakopesekupinu.pdfIn PDF document text
- http://gpba.ge/admin/ckeditor/ckfinder/userfiles/files/vijitipikavotupebar.pdfIn PDF document text
- http://romengo.com/ckfinder/userfiles/files/jololodoxosajijamidid.pdfIn PDF document text
- http://www.ettermanenterprises.com/ckfinder/userfiles/files/15920480230.pdfIn PDF document text
- https://www.highettmetal.com.au/application/third_party/ckfinder/userfiles/files/xotuwovobu.pdfIn PDF document text
- https://alamansyria.com/userfiles/file/kibetotulesikotazawof.pdfIn PDF document text
- http://chiangmai-esc.net/user_img/files/94770437325.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/55cec91275301631eaabb4395d648147/vadamubibiji.pdfIn PDF document text
- http://nexxstep.nl/userfiles/file/4673798767.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/161694dc0ea0ff---zogipogatezalomod.pdfIn PDF document text
- https://akvaguru.hu/user/file/botizuwipegadom.pdfIn PDF document text
- https://arch.ua/ckfinder/userfiles/files/firumujasitag.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1617152ab69e3d---sasijirodo.pdfIn PDF document text
- https://xpress2.eu/ckfinder/userfiles/files/65718485071.pdfIn PDF document text
- http://viviapalermo.com/userfiles/files/70046786663.pdfIn PDF document text
- http://heninrealty.com/userfiles/files/32151983742.pdfIn PDF document text
- https://landviewdesign.com/userfiles/file/1254172217.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/1ecb29ec9c062d1c6128d89787456267/zifuneluguminekego.pdfIn PDF document text
- http://tt-ural.su/admin/ckfinder/userfiles/files/90765042371.pdfIn PDF document text
- http://challendor.com/fckeditor/upload/file/42177456026.pdfIn PDF document text
- http://jinruily.com/UploadFile/file/20220122105803135.pdfIn PDF document text
- https://8-hi.dataroom.tw/upload/file/zozawarirezoju.pdfIn PDF document text
- http://www.americandartsmadrid.com/kcfinder/upload/files/zelux.pdfIn PDF document text
- http://www.giuseppe.ru/ckfinder/userfiles/files/subodorevamopodejoxa.pdfIn PDF document text
- http://www.gastroblanik.cz/upload/files/56548079559.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/33064125687.pdfIn PDF document text
- http://drzwiukryte.pl/userfiles/file/doxekowezovaxeterelis.pdfIn PDF document text
- http://eichler-kammerer.de/43886814474.pdfIn PDF document text
- http://piri-piri.pl/ckfinder/userfiles/files/roponita.pdfIn PDF document text
- http://kozszemle.hu/uploads/files/67971106830.pdfIn PDF document text
- https://lean-ds.com/upload/editor/file/37973445604.pdfIn PDF document text
- http://ruishikaishi.com/upload/content/files/2021/10/20211011170716.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
+1 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0005adf3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5ADF3	10716 bytes
SHA-256: `ae04a502086132f74067616ac280ba7ef75a81a36637a8d5ba940f4c58cbeae4`
`font_01_sfnt_off0005c65b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5C65B	16416 bytes
SHA-256: `cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336`
`font_02_sfnt_off0005dd00.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DD00	16932 bytes
SHA-256: `c3553d0905910f1d8742ca5fffa970f384df1fc493b5fd3f8ff0fb07c314ee7e`

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