PDF malware analysis — malicious · 72b4ee59b356fc3e

MALICIOUS

PDF

285.8 KB Created: 2022-02-11 02:27:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28

MD5: b9241eb8f05e87d4645e9302a02cf12b SHA-1: 14c2e78cac56e9195f9d922c5c62bfddfaf41bfe SHA-256: 72b4ee59b356fc3e2fe141ee9a610b291d60fd9687e69d76029b6237e44f4f10

166 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.6089

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://wirut.co.za/XSRYdR1H?utm_term=pythagorean+theorem+distance+between+two+points+worksheet PDF link annotation
- http://bacvietexpress.com/upload/userfiles/files/lufodefubav.pdfIn PDF document text
- https://123natura.com/stockages/files/latewixu.pdfIn PDF document text
- https://virtualpulse.eu/UserFiles/file/52091721396.pdfIn PDF document text
- http://studioarchperissinotto.eu/userfiles/files/tesenanujepoditirelotebuf.pdfIn PDF document text
- https://craft-personal.de/userfiles/file/bozujit.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/76c9323a22a0dd92e91b60608a50fd09/wiboted.pdfIn PDF document text
- https://247christianity.org/fckeditor/userfiles/file/781585207041625336021.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/iqrctfonus6feb26vg12ai71b5/68004683688.pdfIn PDF document text
- http://losmarinoslanzarote.com/marinarubicon/admin/file/desuper.pdfIn PDF document text
- https://apoiotelecom.com/imagens/img_fckeditor/file/67481999020.pdfIn PDF document text
- http://martonfogtechnika.hu/admin/kcfinder/upload/files/daxaj.pdfIn PDF document text
- http://pedraferro.com/files/files/xevadogerupagunokejavak.pdfIn PDF document text
- https://himanshikitchen.info/viking1/uploads/files/91435294249.pdfIn PDF document text
- https://mebelihome.ru/upload_picture/22220971949.pdfIn PDF document text
- http://0-50.ru/userfiles/file/94633380630.pdfIn PDF document text
- http://forensique.com/app/webroot/kcfinder/upload/files/xeputunomevagefuwelufemo.pdfIn PDF document text
- http://theurbanthinktank.com/files/zawetapake.pdfIn PDF document text
- https://matricula.arendic.cl/files/rolejuwu.pdfIn PDF document text
- http://fxlcd.com/upload/file/26923706170.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141b3fe25058---1068437391.pdfIn PDF document text
- http://gamboeng.com/assets/ckfinder/userfiles/files/gufupitumegidiwug.pdfIn PDF document text
- https://www.supergram.cz/kcfinder/upload/files/bajilisafagunofet.pdfIn PDF document text
- http://artdealer.vn/upload/fckimagesfile/e8a6bf210dbb8228718919ae19aa5437.pdfIn PDF document text
- http://fzcce.com/aimgs/uload/files/karamiwifexarimo.pdfIn PDF document text
- http://techsystem.gr/data/uploads/ckeditor/files/68045345889.pdfIn PDF document text
- https://mytalk7.com/_UploadFile/Images/file/67461014548.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4e725d158---28425895464.pdfIn PDF document text
- https://havilahbuilders.com/userfiles/file/8838003900.pdfIn PDF document text
- http://atolyemtm.com/depo/sayfaresim/file/89449786288.pdfIn PDF document text
- https://fidelishospice.com/ckfinder/userfiles/files/fonesubuvudawe.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161a19c4af3070---lefaxo.pdfIn PDF document text
- http://nuk-amro.de/userfiles/file/21560184285.pdfIn PDF document text
- http://xn--80aiddhbkcq5bcaz.xn--p1ai/upload/files/zomanazakisavixewe.pdfIn PDF document text
- http://huemin.com/fckeditor/userfiles/file/sazokonebepi.pdfIn PDF document text
- https://calendarsunrooms.com/userfiles/files/pineribivaxemaxono.pdfIn PDF document text
- http://valburysekuritas.co.id/upload/files/xitasotedemofe.pdfIn PDF document text
- http://sattit.com/ckeditor/kcfinder/upload/files/63890657641.pdfIn PDF document text
- http://artetendasud.it/userfiles/files/lukesofireguxegodoxutebiz.pdfIn PDF document text
- http://susutour.com/userfile/file/31370336409.pdfIn PDF document text
- http://samnakthodrahassob.com/userfiles/file/mutevizevozodonolefefe.pdfIn PDF document text
- https://www.puskinas.lt/ckfinder/userfiles/files/31091642535.pdfIn PDF document text
- http://automyjka.pl/automyjka.pl/userfiles/file/74259968462.pdfIn PDF document text
- http://sourceandsecure.com/uploads/userfiles/file/suwaruxisifegevunolofu.pdfIn PDF document text
- http://seattledesis.com/fckeditor/file/divetelonovurilonezibek.pdfIn PDF document text
- https://institutdesante.org/userfiles/file/sagomewu.pdfIn PDF document text
- https://euronuts2009.ge/files/files/51558832055.pdfIn PDF document text
- https://catbasailing.com/upload/fck/file/vobuxusibali.pdfIn PDF document text
- http://kalecikliyiz.biz/panel/kcfinder/upload/files/26002523239.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_off00040868.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x40868	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`
`font_01_sfnt_off00041f83.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x41F83	17304 bytes
SHA-256: `d5560add5074b9e01406cdd1a79b305e0668f8ae32be17e9e1f00ba29ed1cbad`
`font_02_sfnt_off00044c5a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x44C5A	11348 bytes
SHA-256: `c0c9764bdcc29771b9117a3b632980257b6e3f5f54cbf05f1a85c00791f2da9c`

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