MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and ML classifiers indicated a high probability of maliciousness. The document contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. One prominent URL, 'https://infrive.ru/uplcv?utm_term=download+smart+iptv+app', indicates a phishing attempt related to software downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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=download+smart+iptv+app PDF link annotation
- http://elektromig.pl/userfiles/file/fakofevejudati.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/33690632845.pdfIn PDF document text
- http://planao.com/ckfinder/userfiles/files/95295328855.pdfIn PDF document text
- http://matsonconstruction.net/userfiles/file/retixar.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/161381cf006f0d---disuliwefelup.pdfIn PDF document text
- https://nhahangphongcanh.com/uploads/files/ribitezirokexifeteko.pdfIn PDF document text
- http://gimnazjum-krasiczyn.pl/img/userfiles/file/jolerijabukeresik.pdfIn PDF document text
- https://majubesar.net/contents/files/92276619128.pdfIn PDF document text
- https://intekcanada.com/ckfinder/userfiles/files/runitefezub.pdfIn PDF document text
- http://bbfrontedelmare.com/userfiles/files/pikudurudi.pdfIn PDF document text
- http://locthanhwindow.com/img_duhoc/files/20217586437.pdfIn PDF document text
- http://yummyschool.com/_UploadFile/Images/file/70071366025.pdfIn PDF document text
- http://airfa.it/userfiles/file/24813111466.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/161480781c9eb2---refer.pdfIn PDF document text
- http://joebalogh.ro/imagini_ws/33665425252.pdfIn PDF document text
- http://52963566.com/upload/file/202109011255540600.pdfIn PDF document text
- https://gizaviation.com/uploads/files/60516561654.pdfIn PDF document text
- http://acmemask.com/upfiles/editor/files/12345049189.pdfIn PDF document text
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/c9fc200057b239745dbd8d755fef83a7/59719868976.pdfIn PDF document text
- http://alvit-bk.ru/userfiles/file/livutufuxukunumizuxo.pdfIn PDF document text
- http://print-resource.co.uk/ckfinder/userfiles/files/pasuwurodepitawatujuj.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/jk1kheb23djj77kgi1j61r1ekd/66996360933.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_off0000ae30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE30 | 16804 bytes |
SHA-256: 4acfe6f42bcd6884dcf6acc8141022b0dae895492e05985253572c14c903eb70 |
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font_01_sfnt_off0000d96a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD96A | 10576 bytes |
SHA-256: 03a036654929ddf9ae5ed7ed184bb9e612d184554d8ab902eec32585cbee2dba |
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font_02_sfnt_off0000f189.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF189 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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