PDF malware analysis — malicious · 191db91ead97113d

MALICIOUS

PDF

84.4 KB Created: 2022-02-22 04:09:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22

MD5: 5ae216e637af2d10483a2278e7b95e30 SHA-1: 6419e8602dbba9c149c1b5798dc0b67d9c9ed73a SHA-256: 191db91ead97113dbff349d0c01bd0d446f60abf07d2bad3ceca0d2ff8f4f4a6

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9874

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://podar.co.za/XSRYdR1H?utm_term=python+format+0+2 PDF link annotation
- http://sxsasa.org/images_fck/file/1634506027.pdfIn PDF document text
- http://penzion-u-zamku.cz/files/file/46711625318.pdfIn PDF document text
- http://righetti-ticozzi.it/userfiles/files/zubifobo.pdfIn PDF document text
- http://gingerbreadvillage.org/clients/e/e3/e396b250b60561adcb946853f9f62e29/File/kekedirajajotuvawaru.pdfIn PDF document text
- http://puisan.ru/uploads/file/kevotale.pdfIn PDF document text
- http://runo34.ru/attachments/file/98229557197.pdfIn PDF document text
- https://nhaccugiare24h.com/uploads/userfiles/file/8581634261.pdfIn PDF document text
- http://xenangheli.vn/public/files/dexopukabexejiti.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/wesofutodimoxi.pdfIn PDF document text
- https://fu-ko-property-agency.com/webroot/editor-uploads/files/muxedumoraw.pdfIn PDF document text
- http://www.smwiarus.pl/ckfinder/userfiles/files/dogifaxov.pdfIn PDF document text
- http://cosyromania.com/media/file/niwifajuximodotatepi.pdfIn PDF document text
- https://everywheregenes.com/uploadfile/qu26_qu106_com/files/tumobafi.pdfIn PDF document text
- http://dental-forum.ru/userfiles/file/39594720652.pdfIn PDF document text
- https://lawrenceyezersky.com/userfiles/file/26316614350.pdfIn PDF document text
- https://khachsan295doson.vn/namthuan/images/news/files/lowopep.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1610015d73879f---mazuxoxanejugakefa.pdfIn PDF document text
- http://daegyung.kr/userfiles/file/20210721005125.pdfIn PDF document text
- http://jun-travel.com/userfiles/file/vokatamawirelunujagorawe.pdfIn PDF document text
- http://tivatijapan.com/uploads/userfiles/file/todudedibejixekepa.pdfIn PDF document text
- http://connect-senior.ch/uploades/userfiles/file/refonisejogaxopanazofa.pdfIn PDF document text
- http://arkapizzeria.com/kcfinder/upload/files/40819169968.pdfIn PDF document text
- http://navratyksobe.cz/kcfinder/upload/files/furilafanetigevoniven.pdfIn PDF document text
- http://bielwod.com/userfiles/file/febidolefalenuzil.pdfIn PDF document text
- https://jdrum-music.com/uploads/ckfiles/files/23110764097.pdfIn PDF document text
- http://cpbnatation.fr/fckeditor/userfiles/file/zanakifajilaporofiku.pdfIn PDF document text
- http://giacongcomposite.com/upload/ck/files/63127194077.pdfIn PDF document text
- https://xn----8sbkgjdl3aku5f.xn--07-6kc3bf4angc2g.xn--p1ai/files/files/zozodunisukegemamipa.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161fb580af37ba---pazodejisobefamig.pdfIn PDF document text
- https://ucknef-basket.fr/images/files/75522113567.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/14ac175e7b5c6c155999c318aa95c804/nofonoramosulojobaja.pdfIn PDF document text
- https://baglab.pl/galeria/file/12684238891.pdfIn PDF document text
- http://rexant.by/upload/editor/files/fifawosaganoninararaw.pdfIn PDF document text
- http://torgoborud.org/images/file/33383416429.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612793352f108---35069067374.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16204e8efd00ad---54749142276.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/reramafevazeji.pdfIn PDF document text
- http://myflora888.com/ck_files/files/kadezowapebiwivopigixowu.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161baf327e0954---vagaf.pdfIn PDF document text
- http://aftp.bg/userfiles/file/55851749164.pdfIn PDF document text
- http://neza.cz/UserFiles/File/wisix.pdfIn PDF document text
- http://immopolignano.lu/images/27090379103.pdfIn PDF document text
- http://vlajkylevne.cz/UserFiles/File/xateguwejodum.pdfIn PDF document text
- http://flashdisplay.net/UploadFiles/FCKeditor/20211229154258.pdfIn PDF document text
- https://aiwatopup.com/ckfinder/userfiles/files/57023836928.pdfIn PDF document text
- https://irish-setter-zucht.info/ckfinder/userfiles/files/jimebikejigewuro.pdfIn PDF document text
- https://erdenetpost.mn/userfiles/files/tozoxuvoginiwutaxo.pdfIn PDF document text
- http://tavaszitura.eu/userfiles/files/zepaloves.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
+7 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000d958.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD958	22224 bytes
SHA-256: `ea47a017902b873cb20b18bbd811a5f3b52c7d3e220da8dffe7250d8c3cbbb15`
`font_01_sfnt_off0001138a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1138A	10400 bytes
SHA-256: `8c3d1ea0e73a3cb33b7457d551bcae3712321b50bb649b9da40b2d17ddc8010c`
`font_02_sfnt_off00012af7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12AF7	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`

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