MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to compromised WordPress sites, likely intended to trick users into downloading a password-protected archive. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the presence of embedded URLs and the 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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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://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/5309dc47f3b26fe2c5ddf563e934c346/jilupefu.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608b69131b960---dawasanubiforefilemufum.pdf
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/i60oiqukm81fg6urbkumn0tja7/jigujojesupowezeri.pdf
- https://aneri12.eu/res/file/99465308042.pdf
- http://permanentnimakeup-brno.cz/userfiles/files/49728328975.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/r430fd69klngcu6keui1cc4mp6/28471317885.pdf
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d14e5cd4b---90101481691.pdf
- http://ambvet-trefontane.eu/userfiles/files/xuvivorapaniluxamo.pdf
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/a1674111bf9b6e696e8591f5dfd4b40b/gutedemi.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb1eb84932---fubikop.pdf
- https://healthmatters.me/userfiles/file/gisapeli.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f49de6cd4---tawaxuv.pdf
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/0gfpbi1ddamojo4na7cacvfofb/71729847524.pdf
- http://africa-emergence2019.com/userfiles/file/zalibofilajowo.pdf
- http://senseoftourism.dk/userfiles/file/59359386723.pdf
- http://tkhomedeco.com/assets/uploads/ckedit/files/20210621111012.pdf
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/92fcsno8npsdj3bi2t01osrhd8/xuperasujikaxisixo.pdf
- http://www.ecvbrass.ch/user/web/file/96978963263.pdf
- http://globaltruthmediagroup.com/clients/a/aa/aa8380eac451876ae6ab993bf3a720d6/File/tegedejuwukubowu.pdf
- https://bcbc3399.com/upload/files/9636783620.pdf
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/guzas.pdf
- http://aelma.com/sites/default/userfiles/file/24516604053.pdf
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16086f0d638bec---garefunuvowus.pdf
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bd4209f318f---tajegowadodimim.pdf
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b3675fd79f8---7497259100.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=online+ocr+to+word+converter
- 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_off0000eb61.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB61 | 16792 bytes |
font_01_sfnt_off00010378.bin423899a99506f70e851cd61339c1f4de33ec8d9dad9cd4c2f35b7a224bf5ade4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10378 | 10212 bytes |
font_02_sfnt_off00011a7e.binadc8b78db53796a25b76f6543ff5c7e4c2d106b182c4dcc6b3477eefa0bac8a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A7E | 17376 bytes |
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