MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, suggesting a phishing or malware distribution attempt. The presence of external URIs and a link farm on disposable hosting indicates a likely attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://crysiq.ru/uplcv?utm_term=the+quotient+of+y+and+8
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/20ab744b9fd6d2ded0a228c0bb8af31c/puzogurimetobibokokamoga.pdf
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/0305c672d090f2c19c2d105189c0f035/fumenijuxobisafilal.pdf
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/cc983cb1fc499001cd3baf41436a75cc/51042697585.pdf
- https://bustotoronto.com/userfiles/file/93680982440.pdf
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/dca4dfe28f33218a6b3bd2e217349fbf/vugusefelotiturezat.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/5ang8jka2valcahm4g3tg20hh3/20966158557.pdf
- http://studiosimonepantaleo.it/userfiles/files/95159191476.pdf
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/6d16ecd82cc555cf9e67387f55ec0078/retuwu.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608510d3d26b2---88608979450.pdf
- http://www.ecvbrass.ch/user/web/file/nololevurasujabokimunoj.pdf
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/08b7ab507da18bb9e56d0f13f9f32e77/14412780131.pdf
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160734224a6905---99136569541.pdf
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/80440b24fa5e268f934b56c2e5e4fe66/77832440349.pdf
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/j9agv4mdsu6ou2s6pprui720l2/34959093260.pdf
- http://alltechsro.cz/files/25871482390.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16072b4f41da4f---rirogevikivoguxasobekel.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608459d91dbb4---nalajadojubare.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16099b1b5bdbc5---43145551775.pdf
- https://otoform.com/upload/ckfinder/files/fizedijirek.pdf
- https://www.avantagesapp.com/uploads/files/81225513033.pdf
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b93f7d24cf3---70176544070.pdf
- http://axwelindia.com/uploads/93905675189.pdf
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b3d4c39e49---43201988742.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160850c554d68f---39864135999.pdf
- https://atlastoursntravels.com/userfiles/file/nibadadevewavasefe.pdf
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1608a50d8b7132---59669023024.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_off0000d249.binaeb676ec3671c27d68d23044f81ec512eda58808537bde58ee6ef267f502bee2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD249 | 17276 bytes |
font_01_sfnt_off0000ff54.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF54 | 16792 bytes |
font_02_sfnt_off0001176b.bin3bf4ae645624026870bcab29994d7b4b14d6121b4b76e2b4d023c414d0e64046 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1176B | 10668 bytes |
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