MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and link farms pointing to potentially compromised WordPress sites and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://catamma.ru/uplcv?utm_term=video+editor+for+pc+windows+7 PDF link annotation
- http://macautemple.com/userfiles/file/gowil.pdfIn PDF document text
- https://cv-vezouze.fr/media/file/31157814759.pdfIn PDF document text
- https://euforbiabulgaria.gbinvest.net/uploads/pages/files/zuduvusibexezutivof.pdfIn PDF document text
- http://xn----8sbfhu6ab4bqv.xn--p1ai/userfiles/file/joxopanojebisafenu.pdfIn PDF document text
- http://mdsalon.ru/img/lib/file/68629831996.pdfIn PDF document text
- http://cleangroupbd.com/ck/upload/files/23658395341.pdfIn PDF document text
- http://pomocnaukowa.net/Upload/file/95833889066.pdfIn PDF document text
- https://totspotdaynursery.co.uk/ckfinder/userfiles/files/xilowob.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139cb1f7b9e2---36053047196.pdfIn PDF document text
- http://papierplus.pl/userfiles/file/digukitugegumimovakirixi.pdfIn PDF document text
- http://kimhoatra.com/upload/fckimagesfile/ketokup.pdfIn PDF document text
- https://bhiringisamsankalimandir.org/ckfinder/userfiles/files/70032253332.pdfIn PDF document text
- http://korea-seals.com/ckfinder/userfiles/files/sosagadisogati.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/16138a6c48d32b---benuwis.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/39207584d974593f84c3797224bc3e96/lukokogewumunisisopilup.pdfIn PDF document text
- http://joeun-it.com/userData/board/file/44052779550.pdfIn PDF document text
- https://toolsatool.com/userfiles/files/lobukatutojakibuzopubalo.pdfIn PDF document text
- http://medrea.ru/upload/files/jolonefofepofokinoka.pdfIn PDF document text
- https://printjet.pl/pliki_user/File/nisituzedabotokedi.pdfIn PDF document text
- http://musikpark-live.de/userfiles/file/89246566377.pdfIn PDF document text
- http://dade666.com/userfiles/202109file/2021091214540170554.pdfIn PDF document text
- https://viettincapital.vn/upload/files/migokesixawelosijijilulov.pdfIn PDF document text
- http://boilerservis.ru/uploads/files/togemitupikaxaxoto.pdfIn PDF document text
- http://circuitvietnamcambodge.com/hinhanh/file/romumebovegofin.pdfIn PDF document text
- http://standartbio.com/fckfiles/file/35948541282.pdfIn PDF document text
- http://www.biogreeno.com/cms/ckfinder/userfiles/files/47804958764.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_off0000c3d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3D7 | 17264 bytes |
SHA-256: a21d484c0391bf9d99097f0e0910ff22be9c4a2743a1d948cd05ff5c40a149e9 |
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font_01_sfnt_off0000f040.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF040 | 10512 bytes |
SHA-256: eb067a629707afa91c8dd82fe3a8aa4c4eff0878d044a1d530ea8e2767f348d6 |
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font_02_sfnt_off00010867.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10867 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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