MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as a phishing trojan. The document contains numerous links to external websites, many hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly indicate an attempt to facilitate phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9934
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=how+to+start+home+bakery+business PDF link annotation
- http://hongdanhaudio.com/luutru/files/xogan.pdfIn PDF document text
- https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/c0d1520e661e87c1cd7f6b3f53129a58/viwejimovefagitidajezuxaj.pdfIn PDF document text
- http://rosswellbulldogs.com/clients/b/be/bee1e50a814ad4ba40998340b8964064/File/82243751103.pdfIn PDF document text
- http://blackwingsexpress.com/upload/userfiles/files/degimi.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bda5535ac2c---dupagiwidamopabu.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/mokagejelo.pdfIn PDF document text
- https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/berifi.pdfIn PDF document text
- http://spreewaldatelier.de/img/editor/file/nipatu.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/5asf9mo400mqpteb2ud6jblf4q/39666566306.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dddfaf4ea21---3860494017.pdfIn PDF document text
- https://kozhikodedeaf.org/admin/my_files/file/wizesadaxezud.pdfIn PDF document text
- https://sealordhotels.com/ckfinder/userfiles/files/79960366316.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/lkuh8d9vpsn2e72l8vkmn5pva3/16370788244.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609c93879814e---fimatopijazimek.pdfIn PDF document text
- http://toeicspeaking.net/_UploadFile/Images/file/24964254076.pdfIn PDF document text
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/842495373939f88360b7895984252ce1/15741578570.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/7bdb9cb93feb624e4325cdbd1144bb1b/96944175642.pdfIn PDF document text
- http://easternsheep.by/app/upload/file/dudawuxevusupokivo.pdfIn PDF document text
- http://brainbond.ro/userfiles/file/retizefunekeb.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/loluduru.pdfIn PDF document text
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609114f1e4cc0---rapukunanez.pdfIn PDF document text
- https://rocksoliddesigns.biz/userfiles/file/87535386949.pdfIn PDF document text
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607397d06771b---viravo.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/fpquc8uebj20l8huks4ecknl92/gufoviwabutagusapifamo.pdfIn PDF document text
- https://hantverksakuten.se/ckfinder/userfiles/files/48707170960.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/d69ee822d26dd4abc9275d0ea4cdbbe5/zafeluremumofodirijak.pdfIn PDF document text
- http://architettodrabeni.it/userfiles/files/88032705887.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_off0000e562.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE562 | 10852 bytes |
SHA-256: 861dfc4a197abb0f5514c3ab2ef0a5622dbd34124aea3c8f98b400b61b6dfcac |
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font_01_sfnt_off0000fe57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE57 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011669.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11669 | 17096 bytes |
SHA-256: 13e45700e542640b64b9a8e8b98ceaa1d7e54118d7d46f8f8e9d87f626413408 |
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