MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains an embedded JavaScript stream and a high-confidence heuristic indicates it is a malicious phishing lure. The document body is heavily obfuscated, but the presence of a link farm pointing to compromised WordPress upload storage and a redirector URL suggests an attempt to deliver a malicious payload. The ClamAV detection further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.8404
Heuristics 7
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://lazav.co.za/XSRYdR1H?utm_term=forrester+report+robotic+process+automation PDF link annotation
- https://thermaltrailrace.com/imagini_ws/64647902912.pdfIn PDF document text
- http://saoz.sk/assets/kcfinder/upload/files/zudosejoxi.pdfIn PDF document text
- http://look.bio/kcfinder/upload/files/87440437345.pdfIn PDF document text
- http://elma-itc.ru/!upload/files/99972855680.pdfIn PDF document text
- http://oppedisanorobertosrl.com/userfiles/files/42124106742.pdfIn PDF document text
- http://avandcie-automation.com/ckfinder/userfiles/files/zupuruwu.pdfIn PDF document text
- http://dioblina.eu/userfiles/file/lefiteragogijijoki.pdfIn PDF document text
- https://akemi.ro/hirek/file/zigoxineposevaf.pdfIn PDF document text
- https://chinatupai.com/web/js/ckfinder/userfiles/files/89556332175.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/b140f53affc979ee085700bc620d4448/nugavilesibes.pdfIn PDF document text
- https://felicityokolo.com/file/pexoz.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16208d64336853---suniv.pdfIn PDF document text
- http://spellenindex.nl/images/uploads/senevosaderoxijenut.pdfIn PDF document text
- https://crawfordpoint-ca.seeninherd.com/files/70830625633.pdfIn PDF document text
- https://patriciogaete.com/upload/file/pawimifujobamilumefiv.pdfIn PDF document text
- http://honderhotel.com/UploadFiles/FCKeditor/20220213220128.pdfIn PDF document text
- https://trungtamchonggia.vn/kcfinder/upload/files/89684041800.pdfIn PDF document text
- https://soyana.de/js/ckfinder/userfiles/files/rozawupilobinasu.pdfIn PDF document text
- http://learningkey.org/userfiles/87608066266.pdfIn PDF document text
- http://xn--80aaaaadfwa5aftjhxrkcrg8iwc.xn--p1ai/pict/file/kabek.pdfIn PDF document text
- https://behbehaniprojects.com/uploads/files/20276446284.pdfIn PDF document text
- http://niuwa6.com/userfiles/file/26377529390.pdfIn PDF document text
- https://aqua2go.pl/galeria/file/tixetumamuzab.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1621097300075f---mupibivapolipotos.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_off00032736.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x32736 | 16560 bytes |
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9 |
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font_01_sfnt_off00033e51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x33E51 | 18732 bytes |
SHA-256: 285511344ae695aa6bb6c81a1067ca24a0b6a3ec4e65829af4e261ae71ee78ad |
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font_02_sfnt_off00036f8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x36F8C | 10708 bytes |
SHA-256: 010fbb4ee58e6191b00773172df0948e4d19d114498b6877f44b132c1ed7a3f2 |
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