MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which are hosted on compromised or disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document's primary purpose is to act as a link farm, directing users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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 https://philabc.ru/uplcv?utm_term=gta+vice+city+mod+unlimited+money PDF link annotation
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/cb93799d695bcc9eb2b09493ced5e814/15316743982.pdfIn PDF document text
- http://hizirferforje.com/admin/fckeditor/editor/images/file/37012263996.pdfIn PDF document text
- https://octvads.site/js/ckfinder/userfiles/files/60754751034.pdfIn PDF document text
- https://pushtypathshala.com/demo/aims/files/images/files/molidifejanopadatixot.pdfIn PDF document text
- https://myparrotfood.com/user_files/files/newanizuxoruwumonebel.pdfIn PDF document text
- https://praktijk.zorglink.nl/ckfinder/userfiles/files/mobejarizotavoduviwex.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147f1a2290e3---28915390313.pdfIn PDF document text
- https://sd-olimp.hr/files/xigavujogerulaki.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/21662015482.pdfIn PDF document text
- http://boldogelet.hu/media/24136582626.pdfIn PDF document text
- http://ziconiavip.com/uploadfck/file/fatanuxutewefakudoj.pdfIn PDF document text
- https://confidence-ist.mktechsol.com/ckfinder/userfiles/files/pujeluluw.pdfIn PDF document text
- http://misosmile.com/upload/editor/files/bosolepuboduzusu.pdfIn PDF document text
- http://travelport.pl/userfiles/file/bimubilodagufen.pdfIn PDF document text
- http://tikatalog.sk/_files/file/vupunikekolagoperewavuj.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/9bva897omtju6sjvt7jkl7s9bq/jipuzalinabivapalazugu.pdfIn PDF document text
- http://www.plain-pied.com/editeur/ckfinder/userfiles/files/51043073185.pdfIn PDF document text
- http://novichiha.ru/pic/file/36841630378.pdfIn PDF document text
- http://reklama-kemerovo.ru/files/files/segiwepa.pdfIn PDF document text
- https://ssmahavidyalaya.org/lion/uploadedfiles/fck/files/file/finoj.pdfIn PDF document text
- http://vititanon.com/user_img/files/finakus.pdfIn PDF document text
- http://geluidsadviesnederland.nl/ckfinder/userfiles/files/kemuw.pdfIn PDF document text
- https://fo-prefectures.com/pages/files/pevitu.pdfIn PDF document text
- https://eletmodguru.hu/files/files/fugopetakibutawakajeda.pdfIn PDF document text
- https://bandotrading.com/uploads/file/duzimumegonuf.pdfIn PDF document text
- https://www.spitalmoldovanoua.ro/ckfinder/userfiles/files/48533715627.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_off0000b3fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3FA | 14712 bytes |
SHA-256: c4fd3d743f3af5e76456f3e9e35b12385c7cdc6f834950c9706bad7843068847 |
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font_01_sfnt_off0000d91a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD91A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f131.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF131 | 10584 bytes |
SHA-256: 651452458023abbb738f131b7046572625e7b9760b7dba1c27db973d6ce38c55 |
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