MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as a malicious PDF by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The PDF's structure and the presence of numerous external links indicate a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/6b9f0bf42e9b9a7c6770ec7803423ece/14487111259.pdf
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/a1fd7349d599ad92c0b4721f4826ec37/febelamugek.pdf
- http://tokyoracing.hu/userfiles/file/96064756318.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce87eadc6f---vikupewo.pdf
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b0822e4c4---88004113558.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccd7843624---soxuganenikoxesanavuxado.pdf
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be64020e195---80322529621.pdf
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4558b41a9d---fuvuk.pdf
- https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/b3a5be6bca0971a27d9cf0bf015982ef/65976195007.pdf
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16096e7a9e7236---55391577709.pdf
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/e4f901ec89d5c042599a0f5367660f48/1555847224.pdf
- https://anmimar.com/royal/userfiles/file/97897865137.pdf
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607fce5f3c57b---57292984426.pdf
- http://sjar-tech.com/uploadfile/file///2021060622472735.pdf
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b3100c98f---danakesifojerenene.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/dakagb9hbhj27grg576mf2c8r2/52885216272.pdf
- http://softwarefactory.nl/images/file/23480318084.pdf
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/46644fc09c6d080f4d449536ccd2dd54/53027034383.pdf
- https://autoandtruckrepair.net/nbloom/fckuploads/file/kukuxoloma.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/7q60mjdkdjcs8rfp3b7psu4t55/kewanulata.pdf
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/a3db4fad61d4b4a5efb4a6de3f439b48/15059021986.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/79681036d8d24005b5415ecc5be0a243/65597210631.pdf
- http://voszveszprem.hu/_user/file/50897261890.pdf
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/807713adb72e07189e8dea02ebfec636/66186762224.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf74c1e9b6---titulurojofiwepizu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=five+multiples+of+8
- 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_off0000f60a.bin90a545da22e369c2a3d0a9f8139b595a27619c9665bfa36a8194376af75aa4c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF60A | 16336 bytes |
font_01_sfnt_off0001204d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1204D | 16792 bytes |
font_02_sfnt_off00013864.bin6b460bd4ff43e849522445b5f3d225867d241e778effc03c37bd8f5261ed4088 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13864 | 10504 bytes |
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