MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://infrive.ru/uplcv?utm_term=dnd+phb+pdf PDF link annotation
- http://le-nora.com/userfiles/file/69257566522.pdfIn PDF document text
- http://jpind.pl/userfiles/file/tibutosoz.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/387cabe77ce6be35db110ac52e24cfb7/2510019584.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134353a18574---sazexomedamajipomigojepuk.pdfIn PDF document text
- http://www.fishandcosolicitors.com/uploads/files/79076089597.pdfIn PDF document text
- https://tempatpasang.com/contents/files/muposidepejitevuxomob.pdfIn PDF document text
- http://chip-chup.hu/upload/file/22005166329.pdfIn PDF document text
- http://heatexchangersolution.com/upload_fck/file/2021-9-8/20210908060605800464.pdfIn PDF document text
- http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/lijazufagamomitenaroduz.pdfIn PDF document text
- https://ijacr.net/assets_admin/ckfinder/core/connector/php/uploads/files/76058238941.pdfIn PDF document text
- https://megacook.pt/site/upload/file/97932027056.pdfIn PDF document text
- http://americasbestwingspa.iorderfoods.com/uploads/files/1715688420.pdfIn PDF document text
- http://yourbuilding.ru/userfiles/files/16763394655.pdfIn PDF document text
- https://fallsplat.se/bildbank/file/jokinigiga.pdfIn PDF document text
- https://hiddencliff.kr/FileData/ckfinder/files/20210909_2E0DFD684ECBEB13.pdfIn PDF document text
- https://cuichi177.com/uploads/files/202109061000067631.pdfIn PDF document text
- http://baaningdoi.com/file_media/file_image/file/magupimaves.pdfIn PDF document text
- http://techscreening.com/userfiles/files/zerivele.pdfIn PDF document text
- http://dataprint.ie/uploads/file/93932958489.pdfIn PDF document text
- https://thailonghoang.vn/upload/files/zibidalosikopabas.pdfIn PDF document text
- http://smenergy.kr/uploaded/file/168842769613310691e6c5.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/aa1cd546cfdf5f1b9dc9bfc34ea9083a/62646411289.pdfIn PDF document text
- http://zekejozsef.eu/FCKfeltoltott/file/88834209785.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_off0000e99a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE99A | 9816 bytes |
SHA-256: 941af86577d5c5b96534bcc2a1b8fe5068a423567a90ebb2dfcf03e710e23ca5 |
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font_01_sfnt_off0000feac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEAC | 18384 bytes |
SHA-256: c19afe4e123e6a6bc8344bf2b626d41896b0f7f9455cfa76f1e80b3f837a171f |
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font_02_sfnt_off00012e55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E55 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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