MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution lure. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body is heavily obfuscated and unreadable, providing no direct user-facing content, but the presence of link farms and compromised hosting is a strong indicator of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9945
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://huntic.ru/uplcv?utm_term=how+to+make+toast+in+advantium+oven
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f16d63436d3---lodupebunow.pdf
- https://ubk-sad.de/azubi/userfiles/files/72690982087.pdf
- http://aerotechgroup.ru/img/outer/files/xipimakanotapinomutati.pdf
- https://serviceservice.eu/userfiles/file/16562469378.pdf
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cc386bceace---lolabawade.pdf
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071238b32c43---dudexatu.pdf
- http://aelma.com/sites/default/userfiles/file/dowososad.pdf
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/8510161a41c275c7880ea1d8b5651ef3/84161067847.pdf
- http://www.aluvascientific.com/UserFiles/file/34771435382.pdf
- http://abnicum.com/files/file/fevepefajonekakololexojo.pdf
- https://prestinieurope.ch/userfiles/files/58471457817.pdf
- https://getracemirates.com/userfiles/files/38472556960.pdf
- https://wrd13.com/force/file/ruguwudizatetininav.pdf
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/j9j65rtq92j1k75ul3bntf9dsf/8449239762.pdf
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/pqh6us8lr64db7drohrnrsfl11/9371475025.pdf
- http://polipadel.com/userfiles/file/33330203976.pdf
- http://eviljoy.com/UserFiles/File/bogudaxurikem.pdf
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16096c02d99c0b---ritixalilikeguguwezixosut.pdf
- http://sictombbi.fr/ckfinder/userfiles/files/13842816087.pdf
- http://market-oborudovanie.ru/upload/file/votiruzajatu.pdf
- http://tznjl.com/userfiles/files/jujur.pdf
- https://aplusadvance.com/naver_editor/data/file/pekevatagebilu.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/ae5n2kb095og92gphrrci1p8u7/vizakulaxa.pdf
- http://iccarrentals.com/files/file/sujopopozawerewimuk.pdf
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160e32b894aed2---bukogagokebu.pdf
- http://epmachine.ru/d/files/16796243722.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a08ab0df522---dubaxukonola.pdf
- http://stylekd.ru/files/nelulev.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_off0000fa96.bin588641362fbff930e264905930c93db318f1c1835edc6bc99cd5dd1622ea899e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA96 | 16868 bytes |
font_01_sfnt_off0001263e.binee9ee800619cc0de69bbb00b1820bcafb74200668b6b95824abbfcf537f71bb4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1263E | 10600 bytes |
font_02_sfnt_off00013e7d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E7D | 16792 bytes |
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