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 embedded URLs pointing to compromised WordPress sites and other domains, suggesting it's designed to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for link farms, further supporting the phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://medvor.ru/uplcv?utm_term=nandini+bangla+serial+2020 PDF link annotation
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160890562e883e---foninamemo.pdfIn PDF document text
- http://shethof.ch/cgi-bin/dynamisch/file/53934515377.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2af9aeb4b5---vuporurumedeluxa.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160838921a876f---nupomibagutu.pdfIn PDF document text
- http://alemotta.com/resources/original/file/kazufelano.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/4bb72040cec952934f2ad2d05adeaa97/wopenalox.pdfIn PDF document text
- http://staresecurity.com/userfiles/file/96134811491.pdfIn PDF document text
- http://apartmaji-zunicmile.com/uporabnik/file/junuv.pdfIn PDF document text
- https://jagominum.com/contents//files/sanofer.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/e31f8e204e74106251ed82c015c52ff7/pezupatuxabifani.pdfIn PDF document text
- http://auxerretv.com/content/public/file/92152413494.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/2b7fbd505a399bd2dbef54050c85b2bb/88942612366.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609aca083f1bd---85580377547.pdfIn PDF document text
- https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/d8bc3d49120f7c23f9378d71fb432d1e/89182418946.pdfIn PDF document text
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/c7822499f4942c72d54c08b950807024/gutafil.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://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_off0000d887.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD887 | 5376 bytes |
SHA-256: 99442ddd51ef9c91c291a5993d3d5b491549b651a550360c33738c842f148b36 |
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font_01_sfnt_off0000ead5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAD5 | 10352 bytes |
SHA-256: b1ff722a66776462757297650481743bd5b9bcc7c083908d7886c5807b4fff3e |
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font_02_sfnt_off00010b22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B22 | 13436 bytes |
SHA-256: 6df0700408c0de084dad73c786ebdd91b893d5528b9c12d9f540f78a734fe7e2 |
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