MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, with multiple embedded URLs. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://vico-domrep.com/ckfinder/userfiles/files/sorusujavilezowunugezuwed.pdf In PDF document text
- http://sklenicky-obchod.cz/web/admin/fckeditor/userfiles/file/75828203551.pdfIn PDF document text
- https://ethnicminorities.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/nalakarizejetasumaxazu.pdfIn PDF document text
- http://thankschicken.com/uploads/files/lazepagejawigivija.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c47ba8e3e5---80376119979.pdfIn PDF document text
- http://zzzwchem.com/upload/files/37147455493.pdfIn PDF document text
- http://meubelenindex.nl/images/uploads/tebijimifiwirudiw.pdfIn PDF document text
- http://clearspace-design.com/CKEdit/upload/files/vovufisod.pdfIn PDF document text
- https://xn--80aggmy8c6c.net/UserFiles/File/mozigomoxasufuxapabe.pdfIn PDF document text
- http://elistaprezentow.pl/userfiles/file/25621276113.pdfIn PDF document text
- http://asorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tevudexokapisuler.pdfIn PDF document text
- http://shesob.com/file/files/19979915629.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/161391dcf50f70---pixeperewigolabowuxub.pdfIn PDF document text
- http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/tarofugusol.pdfIn PDF document text
- http://gdlianyu.com/uploadfiles/file/76254412178.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7db9e9a97---titoseri.pdfIn PDF document text
- http://remaining-mc.de/userfiles/file/32494548726.pdfIn PDF document text
- http://123podkrovie.sk/editor_uploads/files/56189067665.pdfIn PDF document text
- https://korvioinfotech.com/ckfinder/userfiles/files/zitedevigukirugu.pdfIn PDF document text
- https://generalaudit.pl/eurostyl/photos/file/83769791979.pdfIn PDF document text
- https://piphoto.tw/uploads/files/202109030756343603.pdfIn PDF document text
- http://verkaufs-akademie.com/userfiles/file/rasumebafuretewevabusaki.pdfIn PDF document text
- http://pinxedien.net/upload/files/sosidarumesidazizebiwanos.pdfIn PDF document text
- https://mayxaydunghoangphuc.com/userfiles/files/vuwibajupi.pdfIn PDF document text
- http://imhyuk.com/imhyukeditor/userfile/file/98719595583.pdfIn PDF document text
- http://metabolizmusonline.hu/images/upload/file/98385668472.pdfIn PDF document text
- http://emiem.pl/public/upload/ckfinder/userfiles/files/87801017933.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=film+one+piece+strong+world+streamingPDF 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_off0000d828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD828 | 20156 bytes |
SHA-256: 5d3fc3031e9b0f0ae18810044b04545242132d4b11829bba0c78ad3218961fec |
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font_01_sfnt_off00010d4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D4F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012566.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12566 | 10920 bytes |
SHA-256: 92acce32a0fcdedda9bd95db4fc2d7580aec83da19e1e0a1f91302c25ae02844 |
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