MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains a link farm with numerous URLs pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to distribute malicious content. The presence of a URL with 'download hack version' in its query parameters further indicates a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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 http://rayer.cn/d/files/14306551625.pdf In PDF document text
- http://curry-box-deluxe.de/userfiles/file/befosuxekujanofakogudoko.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/e6b6e7ee013c8aa3e5f7222a17b012a2/rivevow.pdfIn PDF document text
- http://apartmany.cucoriedka.sk/data/files/46559150137.pdfIn PDF document text
- https://eminentland.com/admin/userfiles/files/25084083874.pdfIn PDF document text
- https://groupunsur3.com/contents/files/87556249204.pdfIn PDF document text
- http://decaiyun.com/upload/file/210910054525517845ws67d56fsb9p.pdfIn PDF document text
- https://www.jaegeraviation.com/ckfinder/userfiles/files/8776361972.pdfIn PDF document text
- http://decorstore.eu/upload/file/79340557926.pdfIn PDF document text
- http://postelezmasivu-olomouc.cz/ckfinder/userfiles/files/fobekubilevavuvoxa.pdfIn PDF document text
- http://cartonwrappingmachine.com/userfiles/file/84210517009.pdfIn PDF document text
- http://ydyb.com/filespath/files/20210908040820.pdfIn PDF document text
- https://clubkdo.fr/img/pics/files/9506820798.pdfIn PDF document text
- http://urgentcarepb.com/userfiles/file/dikinibepezalegowezevonud.pdfIn PDF document text
- http://seoulmenu.com/uploads/files/63019223471.pdfIn PDF document text
- http://gidaero.com/upload/fckeditor/file/manavozakalokonakegupakof.pdfIn PDF document text
- https://thibiditrading.com/public/userupload/files/40706897602.pdfIn PDF document text
- http://tasteofruraleurope.eu/upload/File/8471595444.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/0a0487ba2d173f5257f3c816cec2ed4a/67019229238.pdfIn PDF document text
- http://angarakshaksecurity.com/userfiles/file/96323220485.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139357c179e9---92232840919.pdfIn PDF document text
- http://zae.me/datafiles/file/betobudogulazirudema.pdfIn PDF document text
- http://cold.lt/userfiles/file/9737971876.pdfIn PDF document text
- https://chorland-dining.com/webroot/editor-uploads/files/wubajetejifabuto.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=download+hack+version+of+kick+the+buddyPDF 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_off0000d7ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7BA | 17344 bytes |
SHA-256: 06f58a134db7fa0a7865e558590428fdc371d7487051fe7623aa35e3959bbc83 |
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font_01_sfnt_off0001040d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1040D | 11172 bytes |
SHA-256: 2af95d73a0ae2d9e43be68302427dff8951b3f7081c2f8cbc9e4ffb0031aa7d5 |
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font_02_sfnt_off00011e36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E36 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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