MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which are hosted on compromised CMS platforms or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URI heuristics further supports the attack pattern of luring users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://drafthe.ru/uplcv?utm_term=archon+emulator+chrome PDF link annotation
- http://bajajsports.com/userfiles/file/dofirozowafe.pdfIn PDF document text
- http://eyela.kr/uploadfile/fckeditor/file/gogapofaxumeganowivevudi.pdfIn PDF document text
- http://biomehl.com/images/content/files/2554060342.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/3bc74eac13cde13cf83cd7cdeae1dc5e/73114844879.pdfIn PDF document text
- http://sreema.org/FCKeditor/file/digelobivowem.pdfIn PDF document text
- https://thietkeweblongan.com/upload/files/79656673932.pdfIn PDF document text
- http://buyyoutubecomments.com/ci/userfiles/files/dudevugosamenurunesejupuz.pdfIn PDF document text
- https://zoorichi.com/temp/fckeditor/file/gamafin.pdfIn PDF document text
- http://baocaosuhoatoc.com/luutru/files/kisuranibe.pdfIn PDF document text
- http://ngnjl.com/userfiles/files/71764398185.pdfIn PDF document text
- http://servmed.net/userfiles/file/17205509401.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/1bvgtn88qfsvj4q537eu32ln8c/gekojomuvube.pdfIn PDF document text
- http://shimamura-mail-order.com/userfiles/file/gigujotofesadezajoporisir.pdfIn PDF document text
- http://picassogift.com/Uploadfiles/files/55808785442.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/f091884378be59ef25620d37f0151dfa/10013734202.pdfIn PDF document text
- http://alwaditrading.com/userfiles/files/ripoforoledexamaregan.pdfIn PDF document text
- https://ooobelkom.ru/ckfinder/userfiles/files/7388450430.pdfIn PDF document text
- http://es-manzokudou.com/yamituki-n/uploads/files/gukukamaxur.pdfIn PDF document text
- http://hysansam.com/fckeditor/userfiles/image/55792683531.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/b8kgcbed6lni6moellpbq3gm9d/tafigebikidi.pdfIn PDF document text
- http://schroniskoorzechowce.pl/ckfinder/userfiles/files/81650860536.pdfIn PDF document text
- https://e-motorcycle.tw/upload/emotorcycle/files/96760874686.pdfIn PDF document text
- http://masterkontroll.hu/ckfinder/userfiles/files/kiwajavenedezele.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_off0000b199.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB199 | 10316 bytes |
SHA-256: 9472a9a636c101d14e21e2ae434186485136264ea6294e2c2a71569f345f6f53 |
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font_01_sfnt_off0000c8af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e0c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0C1 | 17656 bytes |
SHA-256: a2ef6391c38ed3bc30eb4f808276cacd1406c6c287c9640bc3113e32417ef13c |
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