PDF malware analysis — malicious · c5d8b0304bd43a23

MALICIOUS

PDF

356.5 KB Created: 2022-02-12 07:30:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28

MD5: 94c0464e0cf960c93b07c9d698dcb6af SHA-1: 1824b5341815dff86fcf3001144b6aa7dc3b924e SHA-256: c5d8b0304bd43a23314c699dfa920fa145add3fc5b1a498006bd16b39fb80bb7

166 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.5565

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://lazav.co.za/XSRYdR1H?utm_term=good+sites+for+music PDF link annotation
- http://olsztyntransportmedyczny.pl/userfiles/file/73584731549.pdfIn PDF document text
- https://rwd.webseo.tw/upload/files/51128214568.pdfIn PDF document text
- http://dansecyr.ca/pdf/file/kilazujubisoluzixufotuje.pdfIn PDF document text
- https://dpt-mh.com/uploads/news/files/zunadugepitapuxowodepum.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161334f1d6db2d---10871448435.pdfIn PDF document text
- http://titadoorbinhduong.com/upload/files/15171162892.pdfIn PDF document text
- https://eco-translation.ca/upload/editor/file/bufutofetomotobe.pdfIn PDF document text
- http://makaroma.fr/upload/file/58402942594.pdfIn PDF document text
- https://jordan.si/dokumenti/file/94102504168.pdfIn PDF document text
- https://o2opr.co/userfiles/files/61303444030.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/59716294bb251bcbec3e2205e6d2d42f/73788799038.pdfIn PDF document text
- https://theurbanthinktank.com/files/fobasogibuvixenafafufif.pdfIn PDF document text
- http://koreabulk.net/userData/board/file/tizubakegatonutabijurezed.pdfIn PDF document text
- https://maggies-handmade.com/UserFiles/files/zogigapenojufawisojip.pdfIn PDF document text
- http://narnivet.com/userfiles/files/99270592782.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/lobteu39m88ijti00014kf0k92/walebogifavibafuwegun.pdfIn PDF document text
- https://ksmt.edu.np/assets/ckfinder/userfiles/files/buvevakavototas.pdfIn PDF document text
- http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/tiwokegisirujupuliziju.pdfIn PDF document text
- http://kondicionery-elektrostal.ru/upload_picture/file/bolaveza.pdfIn PDF document text
- http://gaestehaus-am-erlkoenig.de/img/editor/file/komupefadowaweribowakave.pdfIn PDF document text
- http://songpinhao.com/userfiles/files/94440067741.pdfIn PDF document text
- http://csc010.com/userfiles/file/20210928000321_j00hi4.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1618abacd0684e---55683944327.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/161c45f1e51793---safevarapekenibexobizonu.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16108c365cda21---75052479809.pdfIn PDF document text
- https://autosaloncenter.com/uploads/files/suziguxedirupo.pdfIn PDF document text
- http://www.chubsorn.com/file/files/73838170597.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/fb4e0759c92c8173bd88afd4dcddc276/sododaximobumezagotebak.pdfIn PDF document text
- http://ep9.cz/kcfinder/upload/files/mavopuredatisogaginuzirep.pdfIn PDF document text
- http://bradzo-ep.com/uploads/files/makulojusudugufapolipel.pdfIn PDF document text
- https://businesslife.com/content/files/56910576765.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/bdaa3ff74a00b4cf26bc8b8d9cc153ee/misixuwikokisetikav.pdfIn PDF document text
- http://xn--vb0b83rba554gca.kr/page_data/file/20210809114543.pdfIn PDF document text
- https://vanvoorst.info/uploaded/file/ruzopozagikisewibaruzu.pdfIn PDF document text
- http://ipceurope.be/assets/file/2743818130.pdfIn PDF document text
- http://tgroupsrl.com/userfiles/files/pebanelexufubovokanodoz.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-10/file/29672216562.pdfIn PDF document text
- https://resonanceacteurs.nl/userfiles/file/14354885808.pdfIn PDF document text
- https://b2cdemo.tickets.com/content/files/23387326144.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_off000520ae.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x520AE	10464 bytes
SHA-256: `bb4d48bee42fb12a233c5d35f03bb032c732e9b2afc3379e235c9adea2d33496`
`font_01_sfnt_off00053884.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x53884	19184 bytes
SHA-256: `d3bdabefe7bb66db4f2c4185a5d3eaa38fc9d3e48226f99f93f0d016ad465726`
`font_02_sfnt_off00056afc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x56AFC	16560 bytes
SHA-256: `924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9`

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