MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, presents a deceptive download button and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 7
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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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://crewmak.ru/uplcv?utm_term=guitar+hero+live+apk PDF link annotation
- https://afmiletisim.afmiletisimajansi.info/resimler/files/duminen.pdfIn PDF document text
- https://mb-classic-service.de/userfiles/file/jewabe.pdfIn PDF document text
- http://strahyi.ru/images/file/vebizobibedojebijini.pdfIn PDF document text
- http://119pump.net/d/files/xigofofejenatesigum.pdfIn PDF document text
- http://jiendurancecoaching.com/ckfinder/userfiles/files/2674454684.pdfIn PDF document text
- http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/7347140757.pdfIn PDF document text
- http://ibconsulting.it/userfiles/files/mokepevafalux.pdfIn PDF document text
- http://wdnederland.nl/file/59432304406.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/xaziso.pdfIn PDF document text
- http://propertiesforrent.com/userfiles/file///60146920680.pdfIn PDF document text
- http://www.idukkidiocese.org/files/js/ckfinder/userfiles/files/sukuzuxi.pdfIn PDF document text
- https://hantverkarenisandby.se/UserFiles/files/vavudi.pdfIn PDF document text
- https://priscar.com/documents/files/78183543096.pdfIn PDF document text
- http://podlahyadvere.sk/editor_uploads/system/files/14964685964.pdfIn PDF document text
- https://contact-house.com/fckeditor/upload/file/junumedodixafapaxekoj.pdfIn PDF document text
- http://robertwestlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/2393504863.pdfIn PDF document text
- https://krygina40.ru/UserFiles/File/mirapenijokufexotapi.pdfIn PDF document text
- http://diadiemvui.com/upload/files/52427088178.pdfIn PDF document text
- http://factory-01.com/js/upload/files/26526578095.pdfIn PDF document text
- http://suliaok.com/v15/Upload/file/202192527451122.pdfIn PDF document text
- http://aow.infogestnet.it/ckfinder/userfiles/files/figokijilofoziwelupobuz.pdfIn PDF document text
- https://fengshan-zhennangong.org/upload/ckfinder/files/zoturenirupo.pdfIn PDF document text
- http://csc0516.com/userfiles/file/20210910113428_x03y18.pdfIn PDF document text
- http://bjsddesign.com/filespath/files/20210905075440.pdfIn PDF document text
- http://graviroz.hu/ckfinder/userfiles/files/12638513485.pdfIn PDF document text
- https://grupo.iberia.com/js/ckfinder/userfiles/files/39691734571.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_off0000d74e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD74E | 19704 bytes |
SHA-256: 88abbbb9e73842bffaa28faad712e10308753d039a4f432859a0d09d079fe50b |
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font_01_sfnt_off00010ba6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BA6 | 10372 bytes |
SHA-256: 914bfded7ebe314256248b828ead5447ea92442bebf84a4a031f1d829848d70d |
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font_02_sfnt_off00012344.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12344 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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