MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and multiple external URIs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to distribute malicious files. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://riskhedgetech.com/uploaded/file/14812374276132bc4530f1b.pdf In PDF document text
- http://mtkshop.com/images/uploads/file/wizerobosivenix.pdfIn PDF document text
- http://state-lithium.com/upload/files/gixusus.pdfIn PDF document text
- http://dentali.cz/files/files/bumokuruwotojibozadedu.pdfIn PDF document text
- http://ouhkpthaa.org/userfiles/xewabutasu.pdfIn PDF document text
- https://talaa-obour.com/webmisr/uploadwebmisr/file/bekapepib.pdfIn PDF document text
- https://resortweeks.pro/userfiles/file/32709657239.pdfIn PDF document text
- http://forter.vn/hinhanh/file/53837234422.pdfIn PDF document text
- https://lanhcongnghiepthinhphat.com/upload/files/bukedike.pdfIn PDF document text
- http://chinalabware.ru/d/files/72861329369.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/161327f24872ce---87135833720.pdfIn PDF document text
- http://elmbbq.com/uploads/files/8163132998.pdfIn PDF document text
- https://elsadaulte.com/ckfinder/userfiles/files/rufamimifowemoj.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/034b8d8e02a3e31b386900e1f6ae2646/73573699637.pdfIn PDF document text
- http://tsutae-f.com/js/upload/files/gidiketolixodadalaru.pdfIn PDF document text
- http://woykoff.hu/upload/file/niranewelisupopemap.pdfIn PDF document text
- https://thebillionbottom.com/business_school/uploads/file/74661138872.pdfIn PDF document text
- http://dakhoanhanai.com/images/files/16877923102.pdfIn PDF document text
- http://asid.rw/userfiles/file/32939226618.pdfIn PDF document text
- https://nsaimmigration.com/userfiles/file/94451061202.pdfIn PDF document text
- http://citescolairedeledit.com/include/file/gopezedajajunuwanikusoz.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9e65c2eaf1f67b40e05cd4bcd07fbd4e/pawivovorekobesugikener.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=expert+secrets+book+pdf+free+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_off000116a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012ebe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EBE | 10924 bytes |
SHA-256: 485b7aba75a117de8d012a5fd86a00295d0797ac734800159a676f75fdc5de23 |
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font_02_sfnt_off00014811.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14811 | 19208 bytes |
SHA-256: 02d6a5e09b5da0e9cb20590644ad826e011e3ec835801944f17f41c8f53ff0b4 |
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