MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The presence of these links, combined with the PDF_SEO_DISPOSABLE_LINK_FARM heuristic, indicates an attempt to direct users to potentially harmful external resources, possibly for phishing or SEO spam.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a610b6990d7---kutekidupojutetologu.pdf In PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9b234eff9---36926520258.pdfIn PDF document text
- http://itineraire-consulting.com/ckfinder/userfiles/files/kuvewifibafodusixulo.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/d0a6d0079374cb1da11c8c0aa55127a4/65584786280.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16120c1c107fea---varobakekenazoxu.pdfIn PDF document text
- http://dunakeszi.varosom.hu/userfiles/files/95468413235.pdfIn PDF document text
- http://tfh-filter.hu/_user/file/58974914857.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc4ca312363---wetuzafew.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16090c15c27627---varakekelurakir.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ee54c3a6d2---97546861136.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/837cc4112a6eee1c0b050b5d37cd7744/nedirutovemozoritufegut.pdfIn PDF document text
- http://podiummoda.ru/userfiles/file/xokiwakufozigejowu.pdfIn PDF document text
- https://stpeterscbs.ca/ckfinder/userfiles/files/3198206157.pdfIn PDF document text
- http://liveisagenix.com/ckfinder/userfiles/files/lodipo.pdfIn PDF document text
- http://sentezetutmerkezi.com/upload/ckfinder/files/radagagegen.pdfIn PDF document text
- https://www.aeap.com.br/ckfinder/userfiles/files/kajoza.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/r2i793tat709sbgk9fra881sgk/jizigosojegamo.pdfIn PDF document text
- http://funperm.ru/content/file/53277123693.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/e0f4mqufrp5f5o4uc9lpgf5bu6/nofisu.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ae66cfa0990---77889217302.pdfIn PDF document text
- https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/2ddad39eb685ea44f2d2034083c7199a/79626181202.pdfIn PDF document text
- https://yuss.it/file/gufizivatetixinobanedema.pdfIn PDF document text
- http://dd-eng.com/files/files/80746356253.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=a+level+biology+revision+notes+pdf+ocrPDF 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_off0000c21d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC21D | 10932 bytes |
SHA-256: 50a31904a4e49c46f365786dac3a30015b51965e8b49288a6fedef23fbe3b62f |
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font_01_sfnt_off0000db31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB31 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f343.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF343 | 16204 bytes |
SHA-256: afbb365423ba9a925833caa7738321230911f7d7b96ff8af311ef66e556a680a |
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