MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external URIs and link farms hosted on disposable or compromised domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites via the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://chcial.ru/uplcv?utm_term=rivers+and+civilizations
- http://abcbyspu.com/ckfinder/images_store/files/fibonolifodokizipelu.pdf
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/dbc8f02f6a4e95d0f3faed88c5852e85/65518382155.pdf
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/6bebf9028554859ad63933921a3cd6fa/pozefiguzixugumikovojif.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b068672f562---wekofelikud.pdf
- http://greenplanetnepal.com/userfiles/file/selolijixesanaletugo.pdf
- https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/57476ab1e5ac92232c7f8cf6e62e2e85/rafiv.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160bdf4871f602---9438627594.pdf
- http://naturabliskociebie.pl/userfiles/file/suxaronugewuzotolu.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac521a0405---xumesunupaxo.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5f6912fe5---godavejetewaruresonawotuf.pdf
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/a42ed7b2ba0071023a898177bf339363/34079127111.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16088c806039af---rogofufo.pdf
- http://africareview.in/userfiles/file/44261417343.pdf
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/f07411950a562913c6f3a079b2ea4462/57596302548.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608862683740a---86192265480.pdf
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/46751190309.pdf
- http://nitexprofi.cz/userfiles/file/35081029370.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a0cedaeb54b---7815411997.pdf
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/954f592ef9f15d97cb0753d01190d416/dodusolofufelodoxujetob.pdf
- https://africanresearchcenter.com/userfiles/file/deruvudopumik.pdf
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160baaa0f6561a---42250434005.pdf
- http://growlink.biz/userfiles/file/wokovepi.pdf
- http://optykglowacki.pl/obrazki/files/felevufexigikamakokun.pdf
- https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/fe448646fa47a7cc5846078d1cb45c22/zijati.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_off00011ca1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CA1 | 16792 bytes |
font_01_sfnt_off000134b8.bin6fba57757433311fe6afe9fb95bb5a0e3cf3dae964a662cebbb6acef8a7fdce0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134B8 | 10536 bytes |
font_02_sfnt_off00014ce9.binac6564703c915df612543bdb2a71e80257d0299304600e081c2e835342a9afd6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CE9 | 16928 bytes |
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