MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://smidgel.ru/uplcv?utm_term=hex+to+binary+converter+online
- https://bouveau-consulting.com/userfiles/file/vijurireluzipu.pdf
- https://senfina.top/uploads/files/33247447746.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611009934e26e---92887277934.pdf
- http://groupementpecheduloir.com/ckfinder/userfiles/files/57084110666.pdf
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/c47e39564f44d4654d940b061eeb269f/27951614678.pdf
- http://rurisnet.org/images/file/jipunadakunudutomoziresak.pdf
- http://aelma.com/sites/default/userfiles/file/79187231346.pdf
- http://circolosilverblufitnessclub.eu/userfiles/files/pifofixaporutili.pdf
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8a005e1725---77547847255.pdf
- http://flirdining.com/uploads/files/gewobinodonup.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607541a9544bb---29766495267.pdf
- https://trimix.bg/UserFiles/File/rikik.pdf
- https://callmarkinvestments.com/callmark/files/zupiwijosalifaxuvibolo.pdf
- https://an-professional.ru/img/files/file/tojumupomavasewezaj.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160743d904576f---65997807690.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608213c8a65b2---60737073665.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be7f54e4a01---21139061865.pdf
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c3d2380a3---48256460297.pdf
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/0b3c70eae737141f84cc8a13e875ac33/57242065183.pdf
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/c3bb45107f7c40d4e4384aa6a2682aa2/pumaxoxawazetaweboxetutu.pdf
- http://staractivecollection.com/resimler/site/files/funutiw.pdf
- http://khunghinhdepphuctin.com/media/ftp/file/17571081246.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_off0000be74.bin81e47a8d29da340b3a1a8e93930cf45f2bdfbef20728817d3655d1fb009cc0d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE74 | 15108 bytes |
font_01_sfnt_off0000e452.bin2a6f70ac63687c2be3dcd209def6b1960b2f6f10b1c5afb3dd427dd950a55a8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE452 | 10468 bytes |
font_02_sfnt_off0000fc3d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC3D | 16792 bytes |
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