MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF sample was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains a link farm pointing to compromised websites, suggesting an attempt to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a likely phishing or malware distribution scheme, potentially leveraging exploits within the PDF reader.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/b1a967ca0bc0f19a175a4eadfe81526e/58702004728.pdf In PDF document text
- https://radmangroup-ye.com/rgfiles/file/mopenusolorivapivibimuroz.pdfIn PDF document text
- http://all-pass.com/folder/editor/file/58334254379.pdfIn PDF document text
- http://almar-bus.pl/userfiles/file/rikanuvef.pdfIn PDF document text
- https://stijsr.com/userfiles/file/78539476614.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ced9f1a52ff---9831793234.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/f0b6a85470a1e14a16016e8343b04845/rerivetepuno.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f17b532c0---soxuxojapojelezi.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608b2dd701dac---wetulus.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160864fb76c458---7808661423.pdfIn PDF document text
- http://ms-beauty.com/ckfinder/userfiles/files/sasajazubaxidapaxelefuxe.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/4c8fc086585dc0d67b4cfa0d2b9ec019/16259766380.pdfIn PDF document text
- http://beergolfers.com/blog/images/file/wamewifadotimalubavuke.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9afbe2dd7---2325958549.pdfIn PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd19debe3c---tomapukovisi.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/a4f5a2f43cad628b4a8122c8f0da0dba/79459495659.pdfIn PDF document text
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/c2f626077a26771d50e71d588f5d32b9/xuwezomedikawe.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/a59c7a7e8f3944085fc2802df87e9268/96730086405.pdfIn PDF document text
- http://www.kilincsweb.hu/fileok/file/87917184748.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609637131b7f2---19493695550.pdfIn PDF document text
- http://solyaris.pro/admin/ckfinder/userfiles/files/5972529238.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bb604592bf0---5267419836.pdfIn PDF document text
- http://studiolegaletrotta.eu/userfiles/files/sukakenikix.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=contemporary+sociological+theories+pdfPDF link annotation
- 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_off0000e3a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A2 | 16340 bytes |
SHA-256: e89f1ffcfcb0e03c236c93747d8cc633ae162266bcdee4dcb8c6c05662235d0b |
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font_01_sfnt_off00010de2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DE2 | 11212 bytes |
SHA-256: bab1c1cd911756822bf51da0d2bab04201ea8e712bf86b8b0e3c9b9d69aa021d |
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font_02_sfnt_off000127c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127C9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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