MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. The presence of a link farm pointing to compromised WordPress uploads and disposable hosting further suggests a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://wastran.ru/uplcv?utm_term=condos+for+sale+on
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/24795000a843ae250de3a3499e2e1fcc/45267896021.pdf
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/d5cf033688333b839b08c4f42a0e965b/rojabeveverumexega.pdf
- http://soupworld.de/upload/file/tekipukenazupiw.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160af0c5562dca---43837573660.pdf
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097b69a7cdab---8345821383.pdf
- https://birgatour.mn/js/ckfinder/userfiles/files/vopulijerelizilomojop.pdf
- http://mispuntossaga.com/campannas/file/ruxonelabuxe.pdf
- https://karapinarinsaat.net/userfiles/upload/file/vilipepudozob.pdf
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/97c10caa1c7c8b74adc4aa4bbea6c65d/nitijokeka.pdf
- http://weddingceremoniesbybev.com/clients/72651/File/28492464011.pdf
- http://magicdiscoradio.hu/userfiles/file/34279820059.pdf
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/f552e1c83b3706393cb89b6eb3d4e72d/49221338020.pdf
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c578fb73ea---43624870079.pdf
- https://t2sc.me/userfiles/13450804951.pdf
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9a5d41a7c---35189477847.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160d8c91d2875e---53243255062.pdf
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a750c4e1734---denanopakanakobis.pdf
- http://albatrossmrn.com/konadnew/userfiles/file/93823712528.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ed54aa0c3d---56905197156.pdf
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c85c826023---botoneguzujato.pdf
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609a6f0e501a4---39421767120.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16086c7915090b---budunulovenatapopumapam.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608a459251126---73903351663.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/pg2cnan4ec2fhlbu4a9n1g5bq2/27636372068.pdf
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075dbe9df3bb---ranopokamenudog.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160750c00a3eef---pozuwefasiva.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_off0000ece4.bin5861976c0fedcf526f8f36ce4493266058fdd1ed0e2667b8b78d36d9ef062f33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE4 | 16260 bytes |
font_01_sfnt_off000116fb.binc6ee897c01392908b29fddbe6113859d75a1a70e58eade69062ab8bd756704b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116FB | 10188 bytes |
font_02_sfnt_off00012df1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DF1 | 16792 bytes |
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