MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised websites, suggesting a phishing or malware distribution scheme. The file's structure indicates it's designed to act as a link farm, likely to redirect users to malicious payloads or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://ketchas.ru/uplcv?utm_term=a+tiger+in+the+zoo+written+by PDF link annotation
- http://gsmontaggi.it/userfiles/files/vazivowix.pdfIn PDF document text
- http://theartofdesign.nl/ckfinder/userfiles/files/mivobufekimusonizu.pdfIn PDF document text
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076a9222284a---86679267105.pdfIn PDF document text
- http://intrinhgia.com/admin/webroot/upload/image/files/58324487112.pdfIn PDF document text
- http://copelandreunionla.com/clients/6/66/66f6f3de7053633686652f51c4c00696/File/sekutiwivozisusorojesa.pdfIn PDF document text
- http://paradisetourkorea.com/FileData/ckfinder/files/20210615_33387B05C62DE348.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16084305bccbc2---tiraxepive.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16094351e2fdb8---61329022612.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/lcelh6t3s3mjgt8l0pguakfomt/damesinizojuzu.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160809412a9dc5---wuxidebewuraz.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/f40f944c34be37b317ebcfb7cba4c1d8/jabunolopeg.pdfIn PDF document text
- https://nasselgrundet.se/anvandarbilder/156/files/92531914651.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/n426p6sbbah2m11h4ckdd0c805/laxovopatopomarotel.pdfIn PDF document text
- http://salon-urody-bellis.pl/images/file/55913991868.pdfIn PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/8a207074d867849e9b476388e1af9008/vurewuxosad.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/a7b836a0b14905c51e7ee131aa63eeb3/63736907927.pdfIn PDF document text
- https://mimpiindah2.com/contents//files/xirisetujemogu.pdfIn PDF document text
- http://aggengr.com/uploads/CMS/file/lotosomusemipavivanesu.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/33349556045.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/0dc1298265e368977aaf15b5e5fa6436/71347415626.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/ae5ecd2f2132bc887110399dda8a2453/pifejixos.pdfIn PDF document text
- https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608072de3b83f---68437384784.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609f99d24ab03---pusuzefarawalopanazi.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b94c9ef3897---zoxuv.pdfIn PDF document text
- http://fiumevivo.it/userfiles/files/35818005855.pdfIn 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://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_off0000e0f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0F0 | 10392 bytes |
SHA-256: 7e5257e35d755d039dedb250fb6217ad76489ded6431fd8206278fe9e14c3bbd |
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font_01_sfnt_off0000f874.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF874 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011086.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11086 | 16716 bytes |
SHA-256: f4b01b0c510750065b5732332a9ff6c66cd9b45f5fa11395d536bc151f819e97 |
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