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 0.9980
Heuristics 7
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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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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://footballsod.com/images/ck-uploads/files/61667657729.pdf In PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/cji62a51d91mh2khapjuv70bm7/gunupokejowu.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/dfbc593ba7af0c18903e9b68f5a047a9/34847248092.pdfIn PDF document text
- https://stef-nancy.fr/upload/document/sukubova.pdfIn PDF document text
- http://paykaaluminiya.ru/ckfinder/userfiles/files/87277873320.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071cc835ec80---91316984652.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/s7cn5a8ot110f1ns20e4g5mdu3/52240889258.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a25720a65---56877625894.pdfIn PDF document text
- http://glastergroup.ru/userfiles/file/36602360451.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/30816265934.pdfIn PDF document text
- https://mimpiindah168.com/contents/files/75871728992.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f830730be---fevozes.pdfIn PDF document text
- http://perles-del-beya.com/userfiles/file/zixazikizaveped.pdfIn PDF document text
- http://conelser.hu/fck_uploads/file/bavipifulenijimabusivo.pdfIn PDF document text
- https://zlato-eu.sk/upload/files/mavoz.pdfIn PDF document text
- https://datawire.gr/files/files/rupoluzibelufuzok.pdfIn PDF document text
- http://jeremypourstarlight.com/clients/5/53/539822683240d2210db56c0084569a8b/File/gekaxutulog.pdfIn PDF document text
- http://magicfood-cn.com/files/20210723173633.pdfIn PDF document text
- https://lesfeesdelhetre.fr/upload/files/54554554949.pdfIn PDF document text
- http://bbpcosmetics.com/admin/upFiles/2021-7/file/birobakodegawe.pdfIn PDF document text
- http://ingmarcofaedi.com/userfiles/files/gexilagegin.pdfIn PDF document text
- https://comobrew.com/newsite/images/user_uploads/file/16205483043.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=reasoning+shortcut+tricks+book+pdf+downloadPDF 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_off0000c1af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d9c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9C6 | 11364 bytes |
SHA-256: 489068096f548b3d29ce6c347ab666b96476a545f79c6347b1a5f983526820db |
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font_02_sfnt_off0000f41e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF41E | 17284 bytes |
SHA-256: 09ad056965a0566f031bdfcd6a5c61979a69a8cbbeb762dfa323e85508122f1f |
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