MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as a phishing trojan. It contains numerous links pointing to compromised WordPress upload directories and other potentially malicious sites, indicating a likely phishing or malware distribution scheme. The document body is unreadable, but the presence of these links strongly suggests an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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 http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607bee9692753---pibivegolusajijetefuvaf.pdf In PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/ef8ed66bf4730418b55227661cb4317e/59841852800.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082cfd6c9ab6---wulosu.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/c254affde217bcee28fb8c82b7baa555/30900703374.pdfIn PDF document text
- https://foodphotoshop.com/userfiles/files/71220980409.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160833d53870fd---nolukuresuk.pdfIn PDF document text
- http://dataction.org/demo/dataction/media/39349984518.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/5406094960.pdfIn PDF document text
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/2a6dd892caab99d30140932e6f695928/90349050729.pdfIn PDF document text
- http://ecofincas.net/ckfinder/userfiles/files/muxutetedutorosemaje.pdfIn PDF document text
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/079fc9b135b8bdd5c2fa88df348d8c3e/91921643494.pdfIn PDF document text
- http://staropolski.net/Upload/file/38386817519.pdfIn PDF document text
- http://energo-market.ru/sadm_files/solukesifojos.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/els17p68lo8tsgpp0mte4mdqv2/21681794660.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b236c5dae6f---xixevejaxosiwixodurokumu.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/lnjj3oi47m6qu0666vud5vf1g2/87492582682.pdfIn PDF document text
- http://wearebryants.com/clients/3/3b/3bb22ab34fb8fe691aabc4d0498f9caa/File/luzedizafedituvorij.pdfIn PDF document text
- http://zhodnoceni-penez.cz/is/images/FCKeditor/File/badimodivubusoguzevomo.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16123beff089d2---guzaxi.pdfIn PDF document text
- http://nessie-vinylcare.com/file/14597558478.pdfIn PDF document text
- http://glamour-nsk.ru/ckfinder/userfiles/files/zaxusojojikukumupiwul.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/35272f5982d0a3b006166463d1c91ffb/famumumaxawawozux.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=ready+up+player+onePDF link annotation
- http://s292376414.onlinehome.fr/datas/imgmail/file/9174300445.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010d18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D18 | 17312 bytes |
SHA-256: 086bb6a5f187718b53986c94c58068b2e4986da7ce7ae749310f182667b2ca4c |
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font_01_sfnt_off00013a6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A6D | 10284 bytes |
SHA-256: 47c1178e0dd12def78dc0243cd744fa468b433caa0bbb7aaf1c59887c4f236d9 |
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font_02_sfnt_off000151a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151A4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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