MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous links, many pointing to disposable hosting or compromised CMS upload directories, suggesting a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly indicate malicious intent. The embedded JavaScript likely serves to execute malicious code or redirect the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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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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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 http://studionegrelli.it/userfiles/files/92139143634.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/2915868928bb3ca12f0e78a6e3f0fb0d/61611237967.pdf
- http://varadimasszazs.hu/uploads/files/11330364267.pdf
- http://kimkhimientrung.com/uploads/image/files/girafijew.pdf
- http://shinies.ru/img/lib/file/rojupum.pdf
- http://azseal.net/uploads/userfiles/file/51705937539.pdf
- http://cameradungphat.com/uploads/files/46998641597.pdf
- http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/47427995569.pdf
- http://lpkgoodframeupvc.com/userfiles/files/91605122291.pdf
- http://finchamauto.com/pics/poxerekixakasajaveg.pdf
- https://sevenhillsgroup.net/ckfinder/userfiles/files/bidanodezodabufinatopubox.pdf
- http://longvu.vn/Images_upload/files/tapodopidewapegeva.pdf
- https://pragatitic.org/ckfinder/userfiles/files/fizekoridatijataviduzi.pdf
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/qsvpoqhu2ojq1caegciq6tgqmt/78160841286.pdf
- http://myphamlulanjina.com/upload/files/bovunawadejapubeku.pdf
- http://avalon-essenzen.at/userfiles/file/89584240385.pdf
- https://takarasushimn.com/userfiles/files/25603690191.pdf
- http://thegioioto.store/upload/files/minajonomuluv.pdf
- http://perechen-izdaniy.ru/js/ckfinder/userfiles/files/67264101776.pdf
- http://korsorlampang.net/user_img/files/daxinatitixijakofe.pdf
- http://cuoredicane.it/userfiles/files/tavitesaxirabetef.pdf
- http://sensor4you.com/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/vipigiwadi.pdf
- http://laiksmodalux.lt/app/webroot/uploads/userfiles/files/zuteburakarosavososiseg.pdf
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/493c6rrvbndau3up5scubac7m3/nogavedixuzug.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=gold+coast+hash+house+harriers
- 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_off0000d9b8.binf5f74b08d3f1e99f52936705bb75f9d2c3711d89252b9beed37442bcac8636e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9B8 | 10500 bytes |
font_01_sfnt_off0000f1c4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1C4 | 16792 bytes |
font_02_sfnt_off000109d6.bin39c589b0f028928bcbe25a8a10d83f0811dc4f5c85af844c491517bf5a3becb6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109D6 | 18360 bytes |
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