MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML and ClamAV as malicious, with heuristics indicating it functions as a link farm pointing to compromised CMS uploads. The document body is unreadable binary data, but the presence of numerous URLs, many hosted on compromised WordPress sites, strongly suggests a phishing or malware distribution attempt. The primary attack pattern involves luring users to click on these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f72efccf56.pdf In PDF document text
- http://moscow-vernisage.com/files/files/pimov.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/96bf7235104a8c007c33be9b72f04337/tasiwijijopomibeka.pdfIn PDF document text
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/auupctdl0ca91p1n9fgi27k7at/17308388564.pdfIn PDF document text
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/d41705f4448e68435cd24716a39e2ce5/rifabizuxiterefinatibepan.pdfIn PDF document text
- http://rustproofingottawa.com/userfiles/file/votokuketupibodefi.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16080097920de4---35036573343.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160798c6fb89e2---puxefik.pdfIn PDF document text
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/86ba75f48d042a0ef82986c438490c4e/pipenimatunix.pdfIn PDF document text
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/4092c1b94008cac65ef2e9c0450b2090/71769912792.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/698189f68bb799fe51708e0dd1278cf7/mofewowajipa.pdfIn PDF document text
- http://growlink.biz/userfiles/file/22405228434.pdfIn PDF document text
- https://tolgyesvolgy.hu/userfiles/file/mixon.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095535cdf035---236278975.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=kant+and+schopenhauerPDF 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_off0000edcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDCB | 10564 bytes |
SHA-256: e6b40a51a677000b48aa06364a298abedf2e5812c23ba65fa75be75168831f01 |
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font_01_sfnt_off000105de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105DE | 16876 bytes |
SHA-256: 47b7834c2ee4a475598444af685b3c87d121144be35df1952e01c132b018af34 |
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font_02_sfnt_off000131ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131EC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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