MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to external websites, many of which are hosted on disposable domains or compromised CMS uploads, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of multiple PDF-specific heuristics related to URI and link farms supports this conclusion.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://inwebjor.ru/uplcv?utm_term=zabbix+android+client PDF link annotation
- http://ohdiabo.net/images/ckeditor/files/gepewujibafedesoguzizawib.pdfIn PDF document text
- http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/nakuxi.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/ce8p00bo3p0a465dv9v4q8ul17/buwavitazosotu.pdfIn PDF document text
- http://timebymtm.com/upload/files/13828490783.pdfIn PDF document text
- http://twapp.freshkon.com/upload/files/vonux.pdfIn PDF document text
- http://gaia-onlus.org/userfiles/file/nadefaligim.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1613a024018439---tekemijofewofexitu.pdfIn PDF document text
- https://santehsevast.ru/userfiles/files/xigaxejuriz.pdfIn PDF document text
- https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/kabusejaxevimu.pdfIn PDF document text
- http://gardensyellowcab.com/admin/images/file/togofuto.pdfIn PDF document text
- https://buyafranchise.org/files/files/14985802910.pdfIn PDF document text
- https://agriturismoilcolle.org/userfiles/file/mezutowe.pdfIn PDF document text
- http://punaide.com/userfiles/files/wusadezemomafeluz.pdfIn PDF document text
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/9e4ce9717dcd12a9a3c5063068e06bb7/9291677400.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/3b45fc37426d39d5cafc4ab46d5291a0/pisotizo.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7791aeef5---6924125792.pdfIn PDF document text
- http://mindentudor.hu/userfiles/file/dejuxuvelufi.pdfIn PDF document text
- http://yjbiotech.cn/upload/files/83230516546.pdfIn PDF document text
- https://ksboutlet.com/file/files/74536944579.pdfIn PDF document text
- http://formel1vermietung.de/userfiles/file/bajakotoxuk.pdfIn PDF document text
- https://jpt.mysmartedu.com/uploadimages/files/lisikosoduzezofuludo.pdfIn PDF document text
- https://rmp-familienanzeigen.de/cms/files/zijomatamirikuvik.pdfIn PDF document text
- http://www.satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/banal.pdfIn PDF document text
- http://floridadressyourhome.com/uploaded_files/userfiles/files/98361164179.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_off0000aff9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFF9 | 10400 bytes |
SHA-256: b8bf3c37491536ecf89de321f10f77e233cbb73c9946a5d6b0cb0123f3b8135b |
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font_01_sfnt_off0000c7a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7A2 | 15876 bytes |
SHA-256: 1154a75ec75dcd312e693b83cf3048bf520255a1b38836451486aa5cbc1356fc |
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font_02_sfnt_off0000f045.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF045 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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