PDF malware analysis — malicious · c5d5c876e9d4dd60

MALICIOUS

PDF

334.5 KB Created: 2022-04-02 00:54:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28

MD5: f35668616cd274782db4f38d66bb96bd SHA-1: 3be4473196b087fbe0c172583087a8072ba3d113 SHA-256: c5d5c876e9d4dd6021fc8cd3af3b6ce383a9105cc7e48e40a6b9d40b4ca1a464

166 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.6677

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=v+shred+toned+in+90+days+pdf+free+download PDF link annotation
- http://loby-scieries-dunkerque.fr/userfiles/file/7113438812.pdfIn PDF document text
- http://hanstime.com/userData/board/file/nusupi.pdfIn PDF document text
- https://vozutububedem.weebly.com/uploads/1/3/4/3/134372478/ritenajevulokogebo.pdfIn PDF document text
- https://napemoxirakula.weebly.com/uploads/1/3/4/6/134682748/xujasoden.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16202f683b11e4---82753313499.pdfIn PDF document text
- https://dsverano.com/UserFiles/File/videlajetafadimusogume.pdfIn PDF document text
- https://www.nasasquirrel.org/kcfinder/upload/files/fejilusi.pdfIn PDF document text
- https://gagofabujinu.weebly.com/uploads/1/3/0/7/130739012/1070814.pdfIn PDF document text
- https://magiccat.pro/ckfinder/userfiles/files/67398639451.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16231ed5392e5f---podatafotafiwe.pdfIn PDF document text
- https://totimukax.weebly.com/uploads/1/3/0/7/130739837/5220056.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1620ccc0942f39---nubipewudurele.pdfIn PDF document text
- http://www.papelerialapiceros.es/ckfinder/userfiles/files/60535769622.pdfIn PDF document text
- http://bbfrontedelmare.com/userfiles/files/5115095071.pdfIn PDF document text
- https://frischgeschluepft.de/kcfinder/upload/files/vovipumiridazogi.pdfIn PDF document text
- https://zipemulobob.weebly.com/uploads/1/3/4/5/134528333/mobaworidifer-dizapopivis-dekolikojedas-nurigulijaxexu.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/0fd5b49e9d88fcca790d97d4e2415e08/lalelar.pdfIn PDF document text
- https://tedipoji.weebly.com/uploads/1/3/1/4/131408178/7a55e3da8cec.pdfIn PDF document text
- https://kaguleturega.weebly.com/uploads/1/3/4/9/134904612/rakibawapixulo_kebafalasapati_lamuresezinu_kujave.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/162476f9511d84---kipuguvadigapizabizipa.pdfIn PDF document text
- https://99shayari.in/userfiles/files/86344186850.pdfIn PDF document text
- http://93564497.com/userfiles/fonimuxopelokozoj.pdfIn PDF document text
- https://staffinghub.complifly.com/ckeditor/kcfinder/upload/files/fojiribofewuxu.pdfIn PDF document text
- https://sukewemuzi.weebly.com/uploads/1/3/4/6/134668821/a22042183.pdfIn PDF document text
- https://sicurezzaips.it/uploads/file/94031701240.pdfIn PDF document text
- https://gebevomipo.weebly.com/uploads/1/3/0/7/130740462/cf9cd3dd101e.pdfIn PDF document text
- https://aiaciran.org/cache/fck_files/file/18703983202.pdfIn PDF document text
- https://webvitamin.vn/app/webroot/uploads/files/45466031936.pdfIn PDF document text
- https://casapenela.cgb.pt/admin/files/files/76072435276.pdfIn PDF document text
- http://devison-matras.ru/upload/file/18428224068.pdfIn PDF document text
- https://kuxobemif.weebly.com/uploads/1/3/1/3/131379353/safetezar.pdfIn PDF document text
- https://gefobivuvevu.weebly.com/uploads/1/3/1/3/131380717/3015910.pdfIn PDF document text
- https://nikunjfoundation.org/ckfinder/userfiles/files/65861312441.pdfIn PDF document text
- http://bpabv.nl/uploadfiles/file/fupirofugib.pdfIn PDF document text
- https://soccerauquebec.com/userfiles/file/gusapilejafubokeruralevo.pdfIn PDF document text
- https://sanajupa.weebly.com/uploads/1/3/1/4/131406847/ninimidikagilufote.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/19782067b4d9b56e21807a5f04cb7d59/tolomijokunatatopuni.pdfIn PDF document text
- https://olterus.info/contents/files/22163837381.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.

Filename	Kind	Source	Size
`font_00_sfnt_off0004c5b9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4C5B9	19140 bytes
SHA-256: `7bac4a03dfb921c2b0d47cd17d7ca208b598a47b48e38a3b88d06c9475c6ceba`
`font_01_sfnt_off0004f840.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4F840	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off00051057.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x51057	11056 bytes
SHA-256: `899e6124ebfddf7de4fa12c7ef31f553ec6e6e2620485fd53d0cea9f28ba065b`

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