MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure indicate an attempt to exploit users through deceptive redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608096771722e---19081025234.pdf In PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/igqk02knnavnrnbag4efai6mcg/29179639213.pdfIn PDF document text
- https://aftaplan.com/works/peepsparty/html/upload_files/file/33269538834.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fed71c4b60---15918873191.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/68489762617.pdfIn PDF document text
- https://mediaget.ru/userfiles/files/31396512703.pdfIn PDF document text
- https://najlepsze-w-polsce.pl/uploads/49080877343.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/5b695710d10cc43b0805a40c0d605818/35195917373.pdfIn PDF document text
- https://muzeumkonstancina.pl/attachments/file/65444405604.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16085091764a6d---fusorunijufupewewapun.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7922b2a1cf---63209653662.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/6228a0e361a898fdbc6f0ebdb384a22c/74499790096.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/kcempgursh60jmbjdu46jodkas/50333247838.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160b27d75bfcbd---dopaf.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/oo9e5fmi8ibi31jj57v3h25402/38891405232.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=buddhadeb+basu+kobita+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://scripts.sil.org/OFLIn PDF document text
- http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC67 | 5256 bytes |
SHA-256: c3807fded302149328b9375dfdea4d31f31a50c6d7b11c7667a390fee3a7f86d |
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font_01_sfnt_off0000fe3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE3F | 19308 bytes |
SHA-256: 7d2f8ad3a4ceed45042c07ffa281fabfe46bf60395de5f852f9beff59859cb71 |
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font_02_sfnt_off0001362e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1362E | 10780 bytes |
SHA-256: d05bcc82bda9ed8c01f569f2bb872f568da40782d7b772dfa86cf00e9cb6bda4 |
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