MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous external links, many of which point to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
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://chcial.ru/uplcv?utm_term=bmw+8+series+manual+for+sale
- https://skvely-kup.cz/files/file/55330194887.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160be40efba111---38131488698.pdf
- http://bukharasuwanee.com/sites/default/files/file/24680957919.pdf
- http://smit-electronic.hr/upload/datoteke/70754200603.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/f3hkisn7f8g3kvrg8clvqsimb6/wigusijusepijaradekon.pdf
- https://isleo.com/i_photos/file/soleseven.pdf
- http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/44958561964.pdf
- http://www.anclupnapoli.it/userfiles/file/4973266897.pdf
- https://almuhja.net/ckfinder/userfiles/files/79068493979.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/65e3a3184e49a9acf9d2aa116fd2e12f/75970620312.pdf
- http://allprintusa.com/admin/images/file/gixuzufiwuvomaxelew.pdf
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160752aa5690e0---rerolaroxudugi.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608274c89a500---32059853044.pdf
- http://bioident.pl/photos_fck/file/21797582975.pdf
- http://muszempilla.com/files/file/74402768713.pdf
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/plr7rvsablu6vup62jvh54hjg7/fegetusa.pdf
- http://haustechnik-hagenauer.at/zovogam.pdf
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/613ccc60f70a2b760656eaf2229d46f2/65174872995.pdf
- http://stromzeleny.cz/file/54533606052.pdf
- https://club-sports.net/uploads/products/files/petalitaz.pdf
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/1964085338609ddb1224a72.pdf
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/8e6963173408dc3565cbd027f276f221/gawapowavulejulilopo.pdf
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090801f1c583---59737976152.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607cec0ccc71b---marolidozifuzefuz.pdf
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/ecb407b16f6fa7a661669c2a226f6734/ledapatizub.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076bb50de82a---10376797167.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_off0000f072.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF072 | 16792 bytes |
font_01_sfnt_off00010884.bin906db12283ec9a22d8ec6e487e7c8ec36c4f648b1fb6848f2535fc443dfc302f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10884 | 17988 bytes |
font_02_sfnt_off00013793.bin895885fe139ed35435f9377bec2bbe113c568b3babad71566d56282c5e7adb8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13793 | 10724 bytes |
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