MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as a malicious PDF by multiple heuristics and a machine learning classifier. It contains numerous external URLs, including links to compromised CMS uploads and disposable hosting, suggesting a link farm or phishing lure. The presence of PDF_URI and EMBEDDED_URL heuristics indicates the document's intent to redirect users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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=new+movie+online+watch+app PDF link annotation
- https://www.nstoplana.rs/ckfinder/userfiles/files/bivowetedupofo.pdfIn PDF document text
- http://bradzo-ep.com/uploads/files/fobezokedobo.pdfIn PDF document text
- http://nissanotogovap.vn/uploads/images/files/35647967738.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16136c985d0f91---5229649378.pdfIn PDF document text
- http://geoplan.su/userfiles/file/geweja.pdfIn PDF document text
- http://kaitosushisb.com/uploads/files/kevojunori.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133d448a8f3b---vujaj.pdfIn PDF document text
- http://busangh.com/attfile/fckimg/file///2021091644732_279599530.pdfIn PDF document text
- http://tnmetalworks.com/images/files/40137928168.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2d9550127---52436069660.pdfIn PDF document text
- https://santchavarabed.in/ckfinder/userfiles/files/21582481561.pdfIn PDF document text
- http://crescentcarpets.com/userfiles/file/mebatukeput.pdfIn PDF document text
- http://jubangh.com/Upload/FckUpload/20210919file///57957993501.pdfIn PDF document text
- http://tandprotheses.com/ckfinder/userfiles/files/42578737152.pdfIn PDF document text
- http://maketmaster.ru/admin/ckfinder/userfiles/files/11069697992.pdfIn PDF document text
- http://pastoret.it/userfiles/files/mubogorusida.pdfIn PDF document text
- https://lexcochoralsoc.org/demo/lccs/beta/userfiles/files/93832063898.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/b5993a4d05eae206d1eb81c3c40312a3/xirevaf.pdfIn PDF document text
- http://haphadoor.com/upload/files/tirazazisev.pdfIn PDF document text
- https://losaltos.com/wysiwygfiles/file/wopopizefemurebimoz.pdfIn PDF document text
- http://year-c.com/upload_fck/file/2021-9-12/20210912023018967586.pdfIn PDF document text
- http://stressmanagement-karriere.de/userfiles/file/77716385053.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_off0000ed22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED22 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010534.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10534 | 18192 bytes |
SHA-256: dcf48d1d4db4dec9860629257d21b4ae0a53fffb98a4dc5c29abc02bb3227804 |
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font_02_sfnt_off00013487.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13487 | 10500 bytes |
SHA-256: a056188ec7424c5c602d8c668250ca78e846511798f33402abf8cd27e114e957 |
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