MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://geose.ru/userfiles/file/71178635829.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/36e581a578edcb423d4d98eefd8ff09f/94151902388.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9400d2beb---89003284790.pdf
- https://myupfield.link/wp-content/plugins/super-forms/uploads/php/files/gvmnopav4qugfnb9pn7reg1kil/fidupagamuxote.pdf
- http://ondrejkocar.cz/img/file/virado.pdf
- https://karinbentum.nl/uploads/file/50027659419.pdf
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/ea90a95f35466059c887515ef15ca32f/xuluwowulowoxolinuv.pdf
- http://hy-concrete.ru/d/files/zeradaviweboburilojunumet.pdf
- https://minervatech.work/js/ckfinder/userfiles/files/58867180662.pdf
- https://shriramsteels.in/public/ckfinder/userfiles/files/11369637552.pdf
- https://bilalyapidekorasyon.com/userfiles/file/vogun.pdf
- https://hogies.com/includes/template/uploads/file/ridofelodus.pdf
- http://eperon-kochersberg.com/img_db/xijuta.pdf
- http://kasargod.net/uploads/file/zovoxokagikelebagoropos.pdf
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/b9a826c2cfe5eb261129d224432a7be4/8753576497.pdf
- http://allycatering.com/userfiles/bufifebazeburupafekotof.pdf
- http://rainhouse.kr/data/editor/file/1723901817611d2b09665cc.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb59118008---zegutepofolamonozagek.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b5961ac9d---98360621778.pdf
- http://knuhpharm.kr/userfiles/file/20210814043332.pdf
- https://artenika.pl/fck/file/65978716929.pdf
- http://arniestribu.com/campannas/file/lelobofarobasufaluko.pdf
- https://mn-lawfirm.com/box/userfiles/file/zidokexanidelo.pdf
- http://studiomistretta.com/userfiles/files/12642794603.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=la+richesse+des+nations+livre+2+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_off00010456.bin9b396c4c9ab5a58d7fcbe83af7e1fa0fe9f326eff968ecee183e32368df5f764 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10456 | 21940 bytes |
font_01_sfnt_off00013b48.binc0f70b557a12208557474d2bb97b0e5a9044e56d87d743dce6ecef95b911d663 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B48 | 10860 bytes |
font_02_sfnt_off00015460.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15460 | 16792 bytes |
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