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 point to disposable hosting and are structured as a link farm. This suggests an attempt to redirect users to potentially malicious content or phishing sites. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://praconsulgroup.ru/pict/file/wupavokoguw.pdf In PDF document text
- http://alrehabourhome.com/userfiles/files/63345388004.pdfIn PDF document text
- http://vigen12.com/userfiles/file/54557406711.pdfIn PDF document text
- http://goref.ru/files/file/nobinokeribotukoribex.pdfIn PDF document text
- http://pointerboards.com/uploads/admin/files/gonixubedifukagisaxidaso.pdfIn PDF document text
- https://thegmsbihta.in/userfiles/file/pebovoni.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/118a9014fef8f7feb85929f1d6e7775d/34145735967.pdfIn PDF document text
- https://termoformat.md/img/files/mujakilarogufivikevodet.pdfIn PDF document text
- http://1utilaje.ro/mm/file/wefumatogaju.pdfIn PDF document text
- http://biswasi.com/userfiles/files/murekow.pdfIn PDF document text
- https://aynadakikemalizm.com/resimler/files/97761633547.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/161527f0d00256---41551655576.pdfIn PDF document text
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1614a380cbf187---93103519765.pdfIn PDF document text
- http://herfon-machinery.com/images/ckfinder/files/20210912111004.pdfIn PDF document text
- http://ideviceplus.nl/app/webroot/files/userfiles/files/sojawibulusa.pdfIn PDF document text
- http://xn--38-mlcqjbufcz6h.xn--p1ai/userfiles/file/nevisujibom.pdfIn PDF document text
- https://cepatdaftargroup2.com/contents/files/moxipajugepe.pdfIn PDF document text
- https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/pewiranidirarisujovulodoj.pdfIn PDF document text
- http://2016.letnifestiwal.pl/ckfinder/userfiles/files/81194287960.pdfIn PDF document text
- http://cheapmarkt.com/userfiles/file/popowujidulunuvi.pdfIn PDF document text
- http://henzefashion.com/userfiles/file/kimimudobasomorideboj.pdfIn PDF document text
- http://sz-frp.com/pic/20210920165445171.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=gta+san+andreas+windows+7PDF 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_off0000b124.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB124 | 10372 bytes |
SHA-256: a981c55b0fc0ef8a01590e6d3d4ac6148caebe513527ea1b49470a55d5e1b56d |
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font_01_sfnt_off0000c8de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8DE | 16856 bytes |
SHA-256: 85c38bc77fdcd0324ec2d98b0cffe9cc870cc257ef292a50094e57b82926cae6 |
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font_02_sfnt_off0000f3c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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