MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
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, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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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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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://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/81g87f7lvvvrvicsoh7kfn6kqm/kavalomebezevo.pdf In PDF document text
- http://monkey-do.net/userfiles/file/35345832738.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/jorirunisadajebodasopono.pdfIn PDF document text
- http://avandcie-energy.fr/ckfinder/userfiles/files/neruxesokuxawogoledimuxit.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094e7111b159---98010226299.pdfIn PDF document text
- https://combrooncom.com/contents//files/72274453545.pdfIn PDF document text
- http://unitec-egypt.net/userfiles/file/37154866734.pdfIn PDF document text
- https://csam-villepinte.org/uploads/images/file/mamiwefedaja.pdfIn PDF document text
- http://france-ex.com/images/blog//file/57242161444.pdfIn PDF document text
- https://cafepiolho.com/uploads/assets/64281150784.pdfIn PDF document text
- https://newtop-eg.com/userfiles/file/98042904792.pdfIn PDF document text
- https://marbellamohali.com/wp-content/plugins/super-forms/uploads/php/files/3a904be040d754c714b2c577401314be/12470963057.pdfIn PDF document text
- https://asset-books.com/userfiles/file/62860584393.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090872c495d1---20912009718.pdfIn PDF document text
- http://lso-msm.fr/userfiles/file/xovukamowisupit.pdfIn PDF document text
- http://mindentudor.hu/userfiles/file/zidiperuwegejidin.pdfIn PDF document text
- http://slsnn.ru/content/files/fapir.pdfIn PDF document text
- https://chinese-wall.tw/upload/files/9756096977.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/542c159a4b74404c5a73dd3b407175e2/xixofuxukunisa.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a28a16a743f---19669058052.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611027e12c838---89834215506.pdfIn PDF document text
- https://caribemed.com/userfiles/file/8097643285.pdfIn PDF document text
- https://etest.vn/app/webroot/uploads/files/17626129350.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/lokapipogifelitenaligof.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=mission+impossible+ghost+protocol+subtitlesPDF link annotation
- 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_off0000d523.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD523 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED35 | 18552 bytes |
SHA-256: 1eb9c407a735179e989aaba45a080d6725b5b3a4c2dee0943c29a419f6b999d7 |
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font_02_sfnt_off00011d3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D3C | 10892 bytes |
SHA-256: 6ccd04497d4c4d28b42c65558b02ca9d0306a62d38568ccf2c864c55b232010c |
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