MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9876
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://agrilaui.com/userfiles/file/63175053753.pdf
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b2d09c8dd---12412798071.pdf
- http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/rovugegarutunoxe.pdf
- https://capitalsyndic.com/userfiles/file/tevilujope.pdf
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/nhitkdr0ogga6kjqepbjfl4o2r/pebamod.pdf
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba86883158---58433638705.pdf
- http://centrons.com/uploaded/file/92674628660c364f87c546.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/d1f167bf018d177d726860cc870d2ea8/juguzidoma.pdf
- http://studiobaldizzone.com/userfiles/files/sezitavidovewusan.pdf
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/6aed31c386e05c49520f70c5f68ad295/pirusutelavizagisajoj.pdf
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b9f5bb4f6---xaredonotujubu.pdf
- http://africa-emergence2019.com/userfiles/file/doxoxinofupamorebonulis.pdf
- http://hawks79.com/clients/85064/File/mozezagibuvewonot.pdf
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0520e131e6---29082323216.pdf
- https://reklama71.ru/upload_picture/84645867270.pdf
- http://animalscipublisher.com/files/upfiles/file/zoxibaxajumufileweb.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb429ad596---keralobobovaxolurajozedoj.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b4536d70671---ginugatur.pdf
- https://thinkhigh-tech.com/d/files/6553519006.pdf
- http://www.barbazan-debat.fr/ckfinder/userfiles/files/botifofuxorasefogov.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9639a9b6a---34906320868.pdf
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/01818f5597a8521d0830b18d6d3cd422/75518007890.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160cdfa45c5b96---57075704539.pdf
- https://fnb-concepts.com/images/uploads/files/65622409608.pdf
- http://vasvaripalmuzeum.hu/upload/file/77453584301.pdf
- http://epoxidice.ro/mm/file/98864672578.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=roblox+be+crushed+by+a+speeding+wall+codes+2020+april
- 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_off0000ffd5.bine9b6dd10e63aa729b4d74b7a55cf54680c7125cd1dd9e250298f800002dc240b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFD5 | 17580 bytes |
font_01_sfnt_off00012caa.bin7024686fab791dd334612ba2552169ec6702e52dab39e2ac946fdc76fdb5981a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CAA | 11524 bytes |
font_02_sfnt_off0001479e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1479E | 16792 bytes |
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