PDF malware analysis — malicious · c5dd1e8378e64b23

MALICIOUS

PDF

366.9 KB Created: 2022-02-01 07:50:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-27

MD5: ded3b70a56dc8d8990afe0dac8dbad61 SHA-1: 3589f2e93743aa1e56a35035be3a7b4ea7f2eaf8 SHA-256: c5dd1e8378e64b23ecd9c97cfc0a9d4c8331a854cb467a24560f9f2a5c7a0ca2

166 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.5194

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://sunuf.co.za/XSRYdR1H?utm_term=sheet+metal+deburring+tool+home+depot PDF link annotation
- http://caerulumpharma.com/upload/files/84793126126.pdfIn PDF document text
- https://vientangluc.com/upload/files/73179622993.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1616eb8645888e---17719741055.pdfIn PDF document text
- https://onhimalayas.com/ckfinder/userfiles/files/paziwimugi.pdfIn PDF document text
- https://crawfordpoint-ca.seeninherd.com/files/2587010885.pdfIn PDF document text
- http://ing-triplee.com/ckeditor/kcfinder/upload/files/kosoguvunelebazux.pdfIn PDF document text
- http://zamgph.com/FCKeditor/editor/filemanager/connectors/php/uploads/file/122020338217.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/7u5gq8qlpgmsjrbs9bp5q42a75/fifudujo.pdfIn PDF document text
- http://nextgems.com/ckeditor/kcfinder/upload/files/32402245130.pdfIn PDF document text
- http://arsvet.ru/img/upload/14987656847.pdfIn PDF document text
- http://playbabydoll.com/userfiles/file/bijegobitipegujuso.pdfIn PDF document text
- http://kaica.org.sa/ckeditor/kcfinder/upload/files/tiwugu.pdfIn PDF document text
- http://farmaciafoglia.eu/userfiles/files/wodavonedin.pdfIn PDF document text
- https://atlaskvartir.ua/data/uploads/files/gozaponeninunela.pdfIn PDF document text
- http://wolfroccatiassociati.it/userfiles/files/laxanopet.pdfIn PDF document text
- http://pc75.net/upfiles/file/1635231446.pdfIn PDF document text
- http://www.samuitns.com/image/upload/File/70903400911.pdfIn PDF document text
- http://lev-steklo.ru/userfiles/file/62069722501.pdfIn PDF document text
- https://bimore.vn/webroot/img/files/levulalelotonitidinedani.pdfIn PDF document text
- http://dichvuhangngay.vn/uploads/image/files/11673918295.pdfIn PDF document text
- https://himarco.ir/basefile/himarcoir/files/kurumet.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16176a35d44e16---9553547602.pdfIn PDF document text
- https://echipamente-scule.ro/userfiles/file/29408676216.pdfIn PDF document text
- https://strings97.hu/userfiles/file/58697083182.pdfIn PDF document text
- https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/cf7b220f3bcd86d7e30f70357604501c.pdfIn PDF document text
- https://icon-studios.com/userfiles/file/gosaxuvimuxa.pdfIn PDF document text
- https://thevalauryscottage.com/caningest/images/file/sorizolupiximugudud.pdfIn PDF document text
- https://signika.pl/Upload/file/kawez.pdfIn PDF document text
- https://communicationscharlevoix.com/admin/kcfinder/upload/files/sejogakelejitaniselazab.pdfIn PDF document text
- http://cadeco.com/testingsites/advantage_aviation/assets/media/file/ruwabubinujesemala.pdfIn PDF document text
- http://mgtuae.com/uploads/file/42273454640.pdfIn PDF document text
- https://chiataiec.com/userfiles/Proj_Name/files/42294408754.pdfIn PDF document text
- http://databaze.glaukom.cz/upload/files/73664204069.pdfIn PDF document text
- http://change4best.ru/upload/file/xivigubokozoxuvofuvo.pdfIn PDF document text
- http://growlink.biz/userfiles/file/62022369684.pdfIn PDF document text
- https://arendic.cl/files/darosewakemudufuwi.pdfIn PDF document text
- http://heizler.hu/files/file/98672164166.pdfIn PDF document text
- http://inteko-tula.ru/f/file/50421825992.pdfIn PDF document text
- http://dangkykinhdoanhkiengiang.com/upload/ck/files/jixovulafobemelojodavoj.pdfIn PDF document text
- http://ieeepes-thailand.org/app/webroot/files/files/6802203717.pdfIn PDF document text
- http://proallprint.com/userfiles/files/kunekeruwonagerev.pdfIn PDF document text
- https://jesssmithtri.com/jesssmith/ckfinder/userfiles/files/83701348767.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_off00054e77.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x54E77	16688 bytes
SHA-256: `1710be6bfdbcc67c73ced1af0a02986cfc9a2598bc2eff19f964c9fc4e5ecd00`
`font_01_sfnt_off00057a1b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x57A1B	10988 bytes
SHA-256: `855116b474041c44dc96454da2336eeffed810ea66dd47dfaee6ef961832a882`
`font_02_sfnt_off000592ec.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x592EC	16416 bytes
SHA-256: `cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336`

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