MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. It also features numerous external links, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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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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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://daearesort.com/FileData/ckfinder/files/20210728_B8DB1AFFF19E095C.pdf
- http://savvyais.com/userfiles/file/pizatabigamudapefajud.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098b3d33c153---moxesiseg.pdf
- http://soft-pro.hr/upload/datoteke/57511215091.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/n5ohoaup3p81a6ig72v6qhhps1/24914680919.pdf
- http://alexlunacoach.com/img/editor/file/loxuserewegejita.pdf
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/a61bc62e661b5ae013890026f487098c/muwafoduwewoxeki.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607593a0b67d2---zokosegoworisam.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607182aca1bcd---pusamuliri.pdf
- http://kaizousha.com/js/upload/files/25124047452.pdf
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/13ae745c12ebe559ecc0373ad3633c42/xanufalonutabokojawije.pdf
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/80ae3ff80bc54212cb21b91f696826f4/vavugezewexavenapijaxofe.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c54e6030f91---lavubujamir.pdf
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/e9610b573bf0a94678ceb915342ac936/48943770564.pdf
- http://casaperferiesantamariagoretti.com/writable/public/userfiles/file/bubisixulekexereruzenufa.pdf
- http://infrabud.eu/fckpliki/file/25564268787.pdf
- http://bannails.com/fckeditor_userfiles/file/xodamodifabizadejopevoj.pdf
- https://cgeminfos.ma/upload/file/bozetusolusofosifaj.pdf
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/n09mchpubhrcr72f8sml1fvu8r/lefaper.pdf
- https://motelandratecuci.ro/userfiles/file/29491239400.pdf
- https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/160dab511bfe22---70869312488.pdf
- http://bwc.lt/i/26126946204.pdf
- http://motorlustor.net/userfiles/file/vakubitaz.pdf
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d167c6fc3---dudunejegikadiwa.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=how+to+be+a+3+percent+man+audiobook+download
- 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_off0000f5d0.binb1fe521091a4288259c1de41a794ff75e28950c3bd40ba4d7a5c0aab66cb38a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5D0 | 18252 bytes |
font_01_sfnt_off000125e9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125E9 | 16792 bytes |
font_02_sfnt_off00013e00.bin6079567c13731c18eacc7dc8053c1f8987bfc27e04bb6ee7bc459f05592397d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E00 | 11088 bytes |
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