MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to trick users into downloading a secondary payload disguised as a document. No scripts were extracted, but the structure and URLs point to a phishing lure.
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://catamma.ru/uplcv?utm_term=download+word+document+as+pdf
- http://ottotech.center/userfiles/file/5178586299.pdf
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/424b4232477f3beb41c31acb40eee679/3554398755.pdf
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/887f4323de2dfe787cc72ec75dcb8ad6/78091476574.pdf
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3fbf973e2c---gojozoginopulatodajo.pdf
- http://greenplanetnepal.com/userfiles/file/zapesunetafe.pdf
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609845a4304dd---jigajusomoxegujevewubo.pdf
- https://senhewood.com/d/files/zaretiwakazono.pdf
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983dfe6cf94---95138180004.pdf
- https://holocaustresearch.pl/nowy/photo/file/sojiv.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acfaf9407f1---purodagetu.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16083db4e31fdf---telanitevonunane.pdf
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/fawube.pdf
- http://augustaelectricalwork.com/editorData/file/10302526345.pdf
- http://oreade-breche.fr/userfiles/file/wifapidexadodes.pdf
- http://highendschmiede.de/highendfiles/file/liwesifaroxilopadarav.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7325f421b---59536233521.pdf
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/49c58648b80ca14d7038bd4c9f38c4c9/96445396732.pdf
- http://teckim.it/themes/userfiles//files/43470022616.pdf
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/e68dc37117d7cdbb60079c9e346c693e/18661880351.pdf
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/d69f623126dbbf8e3fc233ef63128787/marogosoj.pdf
- http://abpaluso.com/upload/file/sojubularuxigelobidujiwuf.pdf
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/622h06vfbnuh75g4h6onof5ilp/luxizilefawila.pdf
- https://adtw1.com/ckfinder/userfiles/files/wovipurivilojalowulevepan.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aabc86de8af---10506634341.pdf
- https://euroroma-bg.org/files/file/gadarigozazetil.pdf
- https://aravlicraft.com/cmsCart//upload/file/80547677267.pdf
- http://s292376414.onlinehome.fr/datas/imgmail/file/23421761865.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_off0000ef3a.bina90d48b5a32cdbb7e87e21f2b7089aeb194d3a6c4f8517994366ae6749274110 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF3A | 10876 bytes |
font_01_sfnt_off00010876.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10876 | 16792 bytes |
font_02_sfnt_off00012088.bincbcf774f20ea83d84cec2bccdb0906213d9154d3fc66a876a1ccea9c64afcba4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12088 | 16648 bytes |
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