MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS uploads or disposable hosting, forming a link farm. The embedded JavaScript likely facilitates redirection or further payload delivery, contributing to a phishing or malware distribution attack pattern.
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://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/74509343912.pdf In PDF document text
- https://asiquim.com/ckfinder/userfiles/files/16616705217.pdfIn PDF document text
- http://seabeachthailand.com/UserFiles/file/gimonujowumivesutak.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160804313ac708---kebukixuregefivez.pdfIn PDF document text
- http://carszana.com/image/upload/File/kafefejojivaxoru.pdfIn PDF document text
- https://cahayaapi1.com/contents//files/repigelexezonagebivufuwi.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c8dee3385dd---lopakuvixenem.pdfIn PDF document text
- https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/369c43782ce5547adc4f87029fbe98b5/matolawitigigemajorapemur.pdfIn PDF document text
- http://takeacode.net/user/d41d8cd98f00b204e9800998ecf8427e/file/18155950535.pdfIn PDF document text
- https://learn-atdi.com/uploads/files/vigifirujoweraju.pdfIn PDF document text
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/03b8d512b6592957bed46ab967990592/45359552253.pdfIn PDF document text
- https://lanna-flyingclub.com/ckfinder/userfiles/files/fexagijabudaburedemamum.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ee1d20e1756---vevekavoponawipeduxarif.pdfIn PDF document text
- https://vayoto.vn/userfiles/file/fadokekewo.pdfIn PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/80fbe84a967f851c33879110baecf777/xuwapapimurikon.pdfIn PDF document text
- https://bisnismedsos.com/userfiles/file/radifegasoboxupoxax.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9cc1cb4383---dagotesoxupunibepizivabi.pdfIn PDF document text
- http://cezanart.com/userfiles/file/xuxikilupabijaruv.pdfIn PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/94176717ab811fffe19512705bd3f542/voruseworifu.pdfIn PDF document text
- https://corumosmanlimakina.com/js/ckfinder/userfiles/files/buxab.pdfIn PDF document text
- https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/35579610122afc6225dccc1488474ded/boxenosuzoloxagewexeb.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/10da152e5c7d044d9ef8e293069f0778/40335541433.pdfIn PDF document text
- http://shengnabei.com/uploadfile/file///2021061021155671.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/6huq440l7ujfraohr5etboja80/napora.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=louise+lab%C3%A9+je+vis+je+meurs+deutschPDF link annotation
- 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_off0000e26f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE26F | 11080 bytes |
SHA-256: 5bc6bb2bd108ede1e17514ba826d16cd59b18e8b79d89d62a9d0702ea0f0394e |
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font_01_sfnt_off0000fbf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBF3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011405.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11405 | 17956 bytes |
SHA-256: 7115e323def64a8409d12351c8fb5e39e71832f9a1af63a048c0ec4765bb0ec3 |
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