MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream, which is a common technique for executing malicious code within documents. The presence of numerous external links, many pointing to compromised WordPress sites, suggests a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely involving the redirection of users to malicious sites via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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 https://queure.ru/uplcv?utm_term=woodworking+vocabulary+pdf
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/2891af9dcdac98aeced477723842fd87/pedasegexilimo.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/85a9f6f5973c417d6663bd5e9fb12ba8/pawefululusemujaledag.pdf
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f50b9b151a---ropazonefavizox.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/1per9atmd0hcs0q88krio3a7tm/35746121546.pdf
- http://rorolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/21886188552.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607d089fc85f3---vitulozewilovinuxelimuvet.pdf
- https://greenline.bg/userfiles/file/taputojo.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160743ce2f3eff---55657703027.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16094435431ce4---kuxiloxevij.pdf
- http://one9five.com/userfiles/files/20366411433.pdf
- http://grupopiscis.com/upload/files/42972323093.pdf
- http://studiovalentini.eu/userfiles/files/12946369918.pdf
- http://clubesquilacoma.com/uploads/files/xigelokusunesupinitorevop.pdf
- http://kingsauto-bar.com/js/upload/files/baxor.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606dc845860d9---befavovu.pdf
- http://anandtouristcorporation.com/uploads/34411463653.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0c0875a9b---47915885121.pdf
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd645fbb15f---19741822912.pdf
- https://motelandratecuci.ro/userfiles/file/mujowupivapames.pdf
- http://azizolace.cz/images/file/11359793066.pdf
- http://boxerdapolenta.com/cmsimple/images/file/putimuxudawugugalod.pdf
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a164d39b5ff---waboniribowefibufidezi.pdf
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609becea905be---43897304630.pdf
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/6a9a14760d3f5ae464fc0dfa796355d5/21738766184.pdf
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/1ifqbp1acl1orhmrofncndrhg0/88363130232.pdf
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b9eba2ef9d6---3191320575.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_off0000ea77.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA77 | 16792 bytes |
font_01_sfnt_off0001028e.bin776d579c9bb26583d6eb3e73190237f75a7d2c05f890dd94ce866e241363ce56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1028E | 10988 bytes |
font_02_sfnt_off00011bc4.bind2a2b3461611940d68edf711d51432afaba7b7481ba0116d5e8cd3e835b31d53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC4 | 16864 bytes |
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