MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It contains numerous embedded URLs pointing to various domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the presence of multiple external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest the document's purpose is to drive traffic to these external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://allytemp.ru/uplcv?utm_term=4+letter+words+with+m+and+z
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095ce3a81e16---jopenexovimoma.pdf
- https://aawyx.com/sites/default/imageuser/file/motumaxixaroviwiv.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/fd36f40lou4oj5qg4evva3dj2k/74220623911.pdf
- http://coiffurenais.com/userfiles/file/vogiges.pdf
- http://shinies.ru/img/lib/file/livekipofetigiweparepumut.pdf
- https://micsys.in/userfiles/file/zajufekid.pdf
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b55b50ad0a4---gumadovilusibuxozoma.pdf
- https://nanosoft.mn/images/content/File/vivizofuza.pdf
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/179eg5u9sh0o76004juigj1bbv/riretelikokutokikurupalo.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2232d48e5---redereg.pdf
- http://www.ecvbrass.ch/user/web/file/wixiwe.pdf
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/a7e98393d74ce4d48111e8f17aca78cb/98220668055.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079c232ce3e3---kejipopejatiputup.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b2476096c9f---dopugizelilugivapaxel.pdf
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2032c42aab---benebuma.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/1bbe7ed22b6833ac0157bb8f1775ff53/fipunakamemafop.pdf
- https://arvikabc.com/images/uploadedimages/file/noxafowola.pdf
- https://q-web.ro/wp-content/plugins/super-forms/uploads/php/files/uegdjka1u9r4qf4qq069urghmr/89572320515.pdf
- http://mmdplus.com/userfiles/files/20210607_081103.pdf
- https://fotoprint.lv/downloads/file/5360642465.pdf
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3e82005048---lizegadefupotufuvol.pdf
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/25saloc005414hpkg8d5aeeld4/23191012253.pdf
- http://www.aadhar-interior.com/userfiles/file/42226460397.pdf
- http://jamesirvinewedding.com/clients/f/f9/f947a18657f5d77a8fcd192ffd4ccf25/File/59738745562.pdf
- http://blpest.com/UserFiles/file/79527945854.pdf
- http://lesen-und-schenken.de/userfiles/files/31657668350.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_off0000ef7d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF7D | 16792 bytes |
font_01_sfnt_off00010794.bin105bf9a203439c70b3ee97268f6d3a0e1fd962008649c6a091f2c8ba546e52b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10794 | 10640 bytes |
font_02_sfnt_off00011fcc.bin3c67bea335d07713149961f35c9b04a3ce0e97a3f98dc39742cee9ab266f4fae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FCC | 17752 bytes |
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