MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external resources, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution. The presence of a 'download' button heuristic further supports the lure of downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://xo-sound.ru/userfiles/file/kenudolibud.pdf
- http://dansensvenner.dk/imagesfile///pefurizoroxubat.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/5e8ce73c0b9264f25964a95820646892/48611123277.pdf
- http://doktor-okonski.pl/uploadimg/file/sirudodubozuponolokuw.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ab71de2b609---10233433512.pdf
- http://leebyenghun.com/new/upload/board/files/80314220233.pdf
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160823cd7888f4---pidirupoja.pdf
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/597d642b89ee2d07cf8682aa87828178/dosivisazufasak.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/2bbe6c9597f198ffe4026094aea9d951/sirox.pdf
- https://theelementrama9.com/userfiles/files/42184942236.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/99e10ff4498fd28aaebdf29cfce5d382/fadumexarezanajipoko.pdf
- http://tafgambiatours.com/userfiles/file/27527539781.pdf
- http://come2menorca.com/images/file/kimelijutubejajegadiroli.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609223afedf0b---36275745967.pdf
- https://autoprofi.ua/userfiles/file/4590990944.pdf
- https://jodhpurtravels.com/nbloom/fckuploads/file/zifudunaroxamekuroke.pdf
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/eeed71146599bfac48a273de1fa0f258/nekukulox.pdf
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/4c9016821964e5b35ad17d1ce8b8f8f4/33136306353.pdf
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/f5afd28532d3a40b041eb5a95d8253f2/97588739299.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/lnd59l13h36bqaqd2eaalpv48n/89685341832.pdf
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/8ke8oufgm6pt9agcv7ape3628h/gopenekiboxobojafatavo.pdf
- https://an-professional.ru/img/files/file/99440122567.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081ddf3939ce---5973779170.pdf
- https://brickbodysupplements.com/newerac2c/userfiles/file/duberix.pdf
- http://yilip.net/userData/board/file/82370223609.pdf
- https://communeouchamps.fr/userfiles/file/2723143278.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=smart+objectives+examples
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee4a.bin9d0bfa0c630a181eb71eaf832c241197552aca1f9497b8b6897e38ad3b859e76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE4A | 17516 bytes |
font_01_sfnt_off00011c1c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C1C | 16792 bytes |
font_02_sfnt_off00013433.bincf4dae6a9bde8b85dc0ecbc780bfb1012a6c4e2b87181306b284ea0a89700cb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13433 | 10944 bytes |
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