MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains a link farm pointing to multiple disposable hosting sites, likely intended to host malicious payloads or phishing pages. The presence of external URIs and a link farm on disposable hosting suggests an attempt to distribute malware or conduct phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://huntic.ru/uplcv?utm_term=kitchen+scramble+download+for+android PDF link annotation
- http://china-guolin.com/filespath/files/20210908154545.pdfIn PDF document text
- https://penzion-palice.cz/content/26662489146.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5b85c0c61---malitusesepipogotine.pdfIn PDF document text
- http://koreanhotpot.com/uploads/files/20972945607.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/b562be775f858639245610dd86816532/wexujabeseze.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613105dcaf535---31244115284.pdfIn PDF document text
- http://studiodrago.eu/userfiles/files/wisubijefamiritu.pdfIn PDF document text
- http://bscsaoner.in/ckfinder/userfiles/files/33525369845.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613d9d266d6e9---pumuv.pdfIn PDF document text
- https://peiitw.com/Upload/ckeditor/files/sipasojipadivivurudulineb.pdfIn PDF document text
- http://nfc.soo.jp/file/kokumekutekividotidege.pdfIn PDF document text
- https://a2designbg.com/userfiles/file/15566620558.pdfIn PDF document text
- https://siroyensao.com/upload/files/29561819592.pdfIn PDF document text
- http://dxczx.com/ckfinder/userfiles/files/20210904_045311.pdfIn PDF document text
- http://imobiliariaimperio.com/files/files/vojuxigudujeregaf.pdfIn PDF document text
- http://dichvutot99.com/webroot/img/files/parilunediwinazixudebez.pdfIn PDF document text
- https://suprastoc.ro/userfiles/file/mulumexenitefut.pdfIn PDF document text
- http://nifaelectronics.com/userfiles/file/vogujagidiganilepovizej.pdfIn PDF document text
- http://trungtinjsc.vn/upload/FCK/file/22323739091.pdfIn PDF document text
- http://compow.net/ckfinder/userfiles/files/67531096725.pdfIn PDF document text
- http://www.coverseg.com/uploads/ckfinder/files/70958558071.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161367591a6105---94594731966.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fee27de10e---99845794752.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_off0000af5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF5A | 15876 bytes |
SHA-256: 4c95f5fb7b8d471c5718d82fae96110a5c3f43e8ea678f6c22cb45a73a30cf86 |
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font_01_sfnt_off0000d819.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD819 | 10956 bytes |
SHA-256: 7bded67574f01da5492b2759f0e8c7f86214d9a609b4f4de1b975686c28be492 |
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font_02_sfnt_off0000f15f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF15F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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