MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicative of a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or malware distribution intent. No scripts were extracted, but the structure and URL patterns are consistent with a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://medvor.ru/uplcv?utm_term=recyclerview+with+cardview PDF link annotation
- https://tiemhoamo.com/data/dulieu/files/33647118447.pdfIn PDF document text
- https://niboparis.com/upload/fckeditor/file/1630633419_1.pdfIn PDF document text
- https://mai-avto.ru/upload_files/file/gazagogumapikomifefural.pdfIn PDF document text
- http://swancentive.com/cote_dor_import/admin/ckfinder/userfiles/files/28333796936.pdfIn PDF document text
- https://krzczonowice.pl/gfx/file/gixagupebedob.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16141132d5a126---sarasapo.pdfIn PDF document text
- https://feltshoe.com/userfiles/file/99659538700.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1613d15efa3cfc---jifar.pdfIn PDF document text
- http://coeb.eu/userfiles/files/jagudazetefogasu.pdfIn PDF document text
- https://hankilfood.com/upfile/files/53760599023.pdfIn PDF document text
- http://namlinhchisapa.com/userfiles/image/file/somojegig.pdfIn PDF document text
- http://h-n-s.net/userfiles/file/92774892785.pdfIn PDF document text
- https://berbagiangka.com/contents/files/zupifisogimizumopelip.pdfIn PDF document text
- http://lnyuanzong.com/uploads/files/20210923151847.pdfIn PDF document text
- http://infas.cz/images/wiswig/file/99869266891.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c58ef9c9e2---55136854688.pdfIn PDF document text
- http://dental-forum.ru/userfiles/file/17201617502.pdfIn PDF document text
- https://tsafar.ir/basefile/tsafarir/files/fexud.pdfIn PDF document text
- https://mayxaydungdailong.com/media/ftp/file/kazunimoletewonufujek.pdfIn PDF document text
- http://yuemeism.com/uploadfiles/files/26006282886.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_off0000af64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF64 | 15140 bytes |
SHA-256: e4d7426cf611c0c1983c055c6ba6b36c4620934f7095f46d7fda98f066e0d2d3 |
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font_01_sfnt_off0000d63c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD63C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ee53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE53 | 10384 bytes |
SHA-256: 2ed2e02e9a42d8e2a470854969d217aa9ecdbf1cb3cb21502642e218d199b4c5 |
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