MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The primary purpose appears to be directing users to external, potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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 https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16097bfca88ac8---volepobesememajexerido.pdf In PDF document text
- http://dailygiasi.com/uploads/userfiles/file/10596177428.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160730bc3d8351---57518997381.pdfIn PDF document text
- https://saikekanglun.com/filespath/files/20210820143537.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/t9d08hafbjtrelk0919t7kach7/daguzeruvalekutize.pdfIn PDF document text
- https://mpksieradz.pl/upload/file/33856713816.pdfIn PDF document text
- http://sreema.org/FCKeditor/file/gixululiluzasovapuk.pdfIn PDF document text
- http://geasit.it/userfiles/files/58216860743.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/gezelajatikap.pdfIn PDF document text
- https://majubesar.info/contents//files/42460482683.pdfIn PDF document text
- http://rothemtour.com/FileData/ckfinder/files/20210721_1D8F783EB854C53C.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609473c18a338---nomawapiziwurom.pdfIn PDF document text
- http://norilskgu.ru/userfiles/file/govume.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/kn6c2n3nv7cbme284bvket6gl2/dulakazabakibu.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c5561e091---vulidovakeguvatunob.pdfIn PDF document text
- https://turismo-galicia.es/ckfinder/userfiles/files/41852714047.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/adfdffb39afa1a6b0b1b76be37ef87d5/86907960911.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/775fc27ba652f92a92d3afc7754892da/mojuti.pdfIn PDF document text
- http://zentrumok.com/userfile/files/tobakifelas.pdfIn PDF document text
- http://schroniskoorzechowce.pl/ckfinder/userfiles/files/32707182907.pdfIn PDF document text
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/tmo3d87lei50hco6cl8ibtqck9/61429430159.pdfIn PDF document text
- http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/15552919327.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/9b765a8fe87a4c07581342251b4e5bbb/40709740213.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=you+raise+me+up+song+lyrics+pdfPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off0000ea62.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xEA62 | 17484 bytes |
SHA-256: 72a2f8f33fa92deefb915f3090073ab0998710f9ad3a75610d16e8a13f10e54a |
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font_00_sfnt_off0000d251.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD251 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000104ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104EF | 17720 bytes |
SHA-256: 511ce532b9ed616f5b9b48e9f0438f1621aed4658c8b64cef6d2ca8fffed0a2d |
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font_03_sfnt_off00013264.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13264 | 11060 bytes |
SHA-256: f42548239b76eca1175e6583e1939a27f9f3f1ba6df3161585f2e9e9bfd2e04f |
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