MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites and disposable domains, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery. The file's structure and URL patterns are consistent with a spearphishing attachment used to lure victims to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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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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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://cructi.ru/uplcv?utm_term=pork+chops+with+cabbage
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/657194c1dc8414be388a2a92914bf508/nogewezabanedevewozo.pdf
- http://arcdesantmarti.com/biocop/Images/images-editor/file/rokiriz.pdf
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/170243a8ddd3f84a437c1c811f70242c/nisazedasarekakenepixa.pdf
- http://highendschmiede.de/highendfiles/file/45279885156.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c24b4251196---22718677214.pdf
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8ebd802e0---73538161388.pdf
- http://islandpointfl.com/userimages/rovanunebuwetomugevamuxip.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/747bfc22e08c4c29f763034030f788ec/xiriv.pdf
- http://malbreil.com/userfiles/file/bosuvuzore.pdf
- https://koratspring.com/upload/file/jinitebarokeziw.pdf
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/47d05f03226b3bd66cfa621f174b8c30/90297555778.pdf
- http://allnatureint.com/userfiles/file/33767877494.pdf
- http://ipublicity.cz/data/file/37383268562.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/3fa10baf1516433f250c162a3a4ec952/97829310027.pdf
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/5a4e140e93f91e7806f127bd0d9c219d/32949792393.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160886d983b6a2---nabajadeparej.pdf
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/lscefc6burqe8519fpg1df06fm/96351649669.pdf
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/248db5635ca78660a04ac20e6c9dc4d9/pokapufabu.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/s8titjufq01asp67bcb8ke8j56/xokuvuwiguwa.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160852318badd8---bozepukofijo.pdf
- 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_off0000ee3e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE3E | 16792 bytes |
font_01_sfnt_off00010650.bin8bf46aea2d497a4a4e865e336dea3d1c287056b36088bee718414923c8513243 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10650 | 17552 bytes |
font_02_sfnt_off000133cc.bin9761ab4c2891b5327cb05be99fab313beb215740ddf6ee372c4d2b8f839bce6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133CC | 10820 bytes |
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