MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery via the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://coretry.ru/uplcv?utm_term=ghost+town+2008+film PDF link annotation
- https://serka.com/serka/upload/files/26333817256.pdfIn PDF document text
- https://sakesushimn.com/userfiles/files/xobukexenizurasidadavasu.pdfIn PDF document text
- https://egyiksem.hu/uploads/file/3345143870.pdfIn PDF document text
- http://sva-jeanroze.com/xmedia/file/85443576010.pdfIn PDF document text
- https://gizaviation.com/uploads/files/wemodeporixogirukepisax.pdfIn PDF document text
- http://www.guus.edu.mn/ckfinder/userfiles/files/jizireluj.pdfIn PDF document text
- http://amandatour.ru/js/ckfinder/userfiles/files/taburar.pdfIn PDF document text
- https://satellietgroep.nl/userfiles/files/gijumebapazot.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/h6jod6kc0viq8tc0h8bthafne1/25139362690.pdfIn PDF document text
- http://sumosushingrill.com/uploads/files/43313362069.pdfIn PDF document text
- http://preiss.at/upload_files/files/besegox.pdfIn PDF document text
- http://casaledellasignora.it/userfiles/files/mupakixumukixadesalevakiw.pdfIn PDF document text
- http://foodzipo.com/uploads/userfiles/files/vugiregowutagos.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/e0e1bca48cf1e657e9c4e0ba0b15c488/9376476137.pdfIn PDF document text
- http://tpdw.pl/userfiles/file/liwesikosasabomumetek.pdfIn PDF document text
- http://mobilenmr.com/files/files/wapigibelez.pdfIn PDF document text
- http://mientaytourist.com/uploads/files/susug.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b32c8cb150---71849937951.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613305265c2eb---norepir.pdfIn PDF document text
- http://chiangmai-clean.com/user_img/files/55453425733.pdfIn PDF document text
- https://rajatotogroup1.com/contents/files/terexerudozukolapixuko.pdfIn PDF document text
- http://style4.allwebeasy.com/userfiles/files/2543228443.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613210e970527---subefik.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_off0000d6b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6B5 | 10660 bytes |
SHA-256: 6a4f195b578fa18f0094f2f9841a9e9b40c7fe63da79a094a82cb7e41b7fbab7 |
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font_01_sfnt_off0000ef07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF07 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010719.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10719 | 18156 bytes |
SHA-256: 149046b404f36d4004c866d9127f54cee9c3c0b0b60be6fc5d85d0fbff54702f |
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