MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links, many pointing to compromised WordPress upload directories, suggesting it functions as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded URLs are the primary indicators of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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=ielts+fever+reading+practice+test+11+answers PDF link annotation
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074180f67307---74638246847.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a13e2c3c2f2---lopubuxipekimawipe.pdfIn PDF document text
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/713046f706897c1f9f507268d832590f/92988824081.pdfIn PDF document text
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/160719079bc5cc---vagilarabeg.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/n739qdk3j179e78jr5cpt3jer7/jetafiwevuduzogezudozexa.pdfIn PDF document text
- https://condominiovillage.com/userfiles/file/benezezuritetefukalefa.pdfIn PDF document text
- https://himalayanwanderer.com/himalayan/userfiles/files/pisuwogesinajavakotop.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b144e9ccc22---tatuxewamixozosed.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/e8haqk9voa8kr8jlcsjs1r5h54/54867043652.pdfIn PDF document text
- http://iphysiology.ru/upload/1076131839.pdfIn PDF document text
- http://littlepearlbooks.in/data/eimages/file/bomimizewat.pdfIn PDF document text
- https://calmoinc.com/upload/editor/file/51124953686.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160796be773449---82628422161.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c674fe7c41a---pisikivetafutuworimi.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c2f92be9a71---legexogovofig.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/desamemivexomufidukuf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC5B | 5140 bytes |
SHA-256: 7d2ac5d8c480e5ee39c2d5539a74b051cac759fbd8d06b6ebf52f958e8962deb |
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font_01_sfnt_off0000fdfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDFC | 11420 bytes |
SHA-256: f102b429691fb5b2ef8250e5638886eead52ba99c04f531db38aa9e0c8e3f916 |
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font_02_sfnt_off00012489.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12489 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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