MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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=how+to+make+a+live+tiktok+wallpaper PDF link annotation
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16135acb4be626---ruperipixoromoxewe.pdfIn PDF document text
- http://sghscsjamarai.org/guruhargobind/userfiles/file/jitefiwogaperedevuli.pdfIn PDF document text
- http://graphicyazd.com/ckfinder/userfiles/files/vepidivek.pdfIn PDF document text
- https://skiclubraonbaccarat.fr/pdf/89766634035.pdfIn PDF document text
- https://xn--49st2et51duvk.com/upload/files/kiwit.pdfIn PDF document text
- http://webinaris.training/ckfinder/userfiles/publics/files/mepakerivapovoxuloj.pdfIn PDF document text
- http://nt-module.ru/ckfinder/userfiles/files/lekaledepuw.pdfIn PDF document text
- https://pvcmikser.com/upload/files/duvenikibosopax.pdfIn PDF document text
- http://volkshilfe-vlbg.at/images/content/files/pojan.pdfIn PDF document text
- http://balalajka.nu/media/gejenibosud.pdfIn PDF document text
- http://leebyenghun.com/new/upload/board/files/67979959398.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/161333212c8fd9---56683717806.pdfIn PDF document text
- http://panziofabian.hu/fck_kepek/jivopunulunirupezefij.pdfIn PDF document text
- http://malovanesklomh.cz/images/file/gexudimujejepuvasup.pdfIn PDF document text
- http://thamcohoaian.com/webroot/img/files/dovuzipokapigekepat.pdfIn PDF document text
- https://virtrade.gr/userfiles_lybo/file/95557244259.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/zuvivujonixaweti.pdfIn PDF document text
- https://minjar.mebel18.com/uploads/files/dofijuwubikepikuvo.pdfIn PDF document text
- http://kredoteka.ru/uploads/file/9184891971.pdfIn PDF document text
- http://sevoir.hu/uploads/file/gibamidudomiregibijamis.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161304606e853d---47952064191.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa7be0f903---30506436598.pdfIn PDF document text
- http://www.heksan.com.pl/file/voridufaritaminukiba.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_off0000c604.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC604 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000de1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE1B | 10376 bytes |
SHA-256: a9b1af57acfdded7a70c95055b9d1c29ac6debdce34204f6aa11da4ee4a19b52 |
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font_02_sfnt_off0000f58a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF58A | 16956 bytes |
SHA-256: cba76ee901d66dcefe5428ecb5510dea9ae55dff12bcf6afecf2d8936999d535 |
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