MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites and other potentially disposable hosting, indicating a link farm designed to obscure the ultimate destination. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of multiple external URIs and link farms suggests an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://amoy-art.com/Upload/file/9011948942.pdf
- http://aj-logistics.com/stock/userfiles/file/1422760537.pdf
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160763ac953939---nesavusomosefuguvexusiluj.pdf
- http://czdashan.cn/uploadfile/file/2021051401474773499.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc20dc5ef3---53792391704.pdf
- https://besi.co/ckfinder/userfiles/files/44851272301.pdf
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/850e1a2e9ffa119db1b022c2fd3c36e9/bajazuxivava.pdf
- http://globalquestconsulting.com/userfiles/files/fojuvavosudilebotililivol.pdf
- https://llsindia.in/FCKeditor/file/58821061693.pdf
- https://lamaisonducoeur.ca/upload/editor/file/33203170868.pdf
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/bb3ef4c1f27eb79135519c53207c41a7/31737437237.pdf
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089e39e1c3a0---36738179972.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/p80ef2n2pqogeqrqo8btq3unh5/25766062838.pdf
- https://klcmekatronik.com/ckfinder/userfiles/files/xudorikasujilekivofe.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/a26779217abf63f8fdf36854cad8583b/2696171540.pdf
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/ee3050536682b8dc9fb39f0dbe832d28/54788408880.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/2f85b30e68a150d34360d8eabf829b8d/larexepizaziguwow.pdf
- http://unityproductions.com/upload/files/38536746382.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/c647lh7jkeitmv1vblmes19vd9/bubuzo.pdf
- http://provia-events.de/pics/fotos/1/file/14107799579.pdf
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/d5k3raseda0rac406chgbefar0/sajasig.pdf
- http://thaisomboonautopart.com/userfiles/files/dozenovofox.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160838168bed2c---sedumoxajosovuk.pdf
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/9e9011fd67d30ac99e4bb4cd058e03f6/wusugulomadulozo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=find+equation+of+plane+passes+through+point+and+contains+line
- http://s292376414.onlinehome.fr/datas/imgmail/file/pasafewabinuxovizikozif.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_off00013054.bin79cb810ad279e938d02087f0baaf7c977b97b029945bcb16cba3e45538434167 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13054 | 11124 bytes |
font_01_sfnt_off000149aa.bin44096ec139e13b1d7e97863f87d3488a95c276668ff04d3098b87e447bde9129 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149AA | 17216 bytes |
font_02_sfnt_off000176d1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x176D1 | 16792 bytes |
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