MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple URLs, many hosted on compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The heuristic 'SE_QR_LURE' indicates the document instructs users to scan a QR code, a common tactic for phishing or malware delivery. ClamAV detection and ML classification strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 8
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://philabc.ru/uplcv?utm_term=qr+scanner+iphone+x
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1613f8bd817527---71305636849.pdf
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/4d5d87c33efb8de2211a7b1005bd975b/69318476737.pdf
- http://tw-echen.com/uploads/files/202109180222372848.pdf
- https://giaphutelecom.com/tctt/sites/aaa/file/kobexafi.pdf
- https://huuphongplastic.vn/uploads/images/files/kepesup.pdf
- http://varosom.hu/userfiles/files/tetawisofuwerasuja.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/25443181875.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161383226914f0.pdf
- http://ylpqzl.com/ckfinder/userfiles/files/tuposufimedugajojavuvob.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/6f1475c2be0d907f885c0eefaac323c4/lotigowumox.pdf
- http://irinaburmistrova.ru/files/karekodusunovezalijab.pdf
- https://landbar.com/app/webroot/js/ckfinder/core/connector/upload/files/wisolid.pdf
- http://lube-stc.com/ckfinder/userfiles/files/77660912595.pdf
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/d17788084ba147ce70d8ae345c046d8f/rimilanaxijebugudisupiwum.pdf
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/77bf86b1bcd9e1851d9d062f79a2b8a2/leron.pdf
- http://izumrud38.com/ckfinder/userfiles/files/zomojogapurane.pdf
- http://hoadondientu-ptp.vn/images/ckeditor/files/luwemebi.pdf
- http://library.nesdb.go.th/ic/admin/ckfinder/userfiles/files/62029283891.pdf
- https://sanipro.ma/app/webroot/uploaderfiles/35712138837.pdf
- http://schubert-hh.de/image/file/23398538647.pdf
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139f649e6f23---41448983611.pdf
- https://gamepinleri.com/calisma2/files/uploads/81561121996.pdf
- https://duragloss.pl/userfiles/file/suzezoxuwizev.pdf
- http://vinabomi.com/uploads/userfiles/file/pijojilowonujelusobeze.pdf
- http://elektrostroy.kz/ckfinder/userfiles/files/dupex.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f8b3.bin9cf221d6620de21de2893d29a77b60559e4bcf590a6566d67e0eb63bc1ac12ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8B3 | 18944 bytes |
font_01_sfnt_off00012997.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12997 | 16792 bytes |
font_02_sfnt_off000141ae.bin5aa64f58d98955a3c29f5360c05c124ac9a12738d55df2fe7de54f7694a63fa8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141AE | 10488 bytes |
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