MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS upload storage or are part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely facilitates the redirection to malicious sites, contributing to a phishing or SEO poisoning attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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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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 http://holidayinntorino.com/userfiles/files/perawikuvitumulujebo.pdf In PDF document text
- https://ausztriasi.spawellness.hu/upload/hirlevel/files/torakamifojodubip.pdfIn PDF document text
- https://www.autopsrus.com/ckfinder/userfiles/files/26446762117.pdfIn PDF document text
- https://truckforceone.com/upload/editor/file/ragabojotijureterofif.pdfIn PDF document text
- http://mudrberanova.cz/userfiles/file/65499723931.pdfIn PDF document text
- http://creatinglifeoptions.com/userfiles/files/43289794516.pdfIn PDF document text
- http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/23449614624.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2334ce019---24998020499.pdfIn PDF document text
- https://goodluckfishing.com/ckfinder/userfiles/files/xesezabimomozizutanule.pdfIn PDF document text
- http://stroyindustry.com/userfiles/file/55106004233.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141196789014---xuwodobiregewogezuli.pdfIn PDF document text
- http://baove24h.info/upload/files/sifiketegogurezik.pdfIn PDF document text
- http://yuli-china.ru/d/files/tukugutime.pdfIn PDF document text
- http://vetranhtuong.info/luutru/files/ninabakenok.pdfIn PDF document text
- http://sentezetutmerkezi.com/upload/ckfinder/files/91461188883.pdfIn PDF document text
- https://glozor.com/userfiles/file/18551345658.pdfIn PDF document text
- http://viethanit.vn/hinhanh/file/95389451201.pdfIn PDF document text
- http://langmoon.jp/js/upload/files/92441511294.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613d91622118f---pulepebepubamar.pdfIn PDF document text
- http://agriturismoilnoceto.com/userfiles/files/90761097850.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef2b3b6d61---vezegajobilozufosofi.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/161387b2a108a4---81250474309.pdfIn PDF document text
- https://mannerfeltdesignteam.se/ckfinder/userfiles/files/bowigazusa.pdfIn PDF document text
- http://tekizolasyon.com/ckfinder/userfiles/files/72954719032.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/dcgv42tvfc7mcm9atelt0q51u2/43253076845.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=pes+2013+ppsspp+android+downloadPDF 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_off0000c266.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC266 | 10840 bytes |
SHA-256: 48c915af09d1c46b4bdb2ef37cc4f834a19ff45c97b20ab13f0cb10995c2ff53 |
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font_01_sfnt_off0000dba8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBA8 | 17108 bytes |
SHA-256: 6ce6f164837dc7127536504fab23fd126b4dc8c934c78993291a50b22348da26 |
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font_02_sfnt_off0001083d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1083D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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