MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting vulnerabilities or initiating malicious actions. Additionally, it features a link farm with multiple URLs pointing to other PDF files, some hosted on compromised WordPress sites, indicating a potential distribution mechanism for further payloads or phishing content. The ClamAV detection and ML classifier strongly support a malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/68557194358.pdf In PDF document text
- http://cosmikkino.ru/sadm_files/jarodokaxamalegob.pdfIn PDF document text
- http://cjpharmtech.com/upload/files/63587004130.pdfIn PDF document text
- http://worldcar.jp/userfiles/files/28456316022.pdfIn PDF document text
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160984360438f0---ganaxaru.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/5b4570893e5ae75d0f1d6dbaa8cc0b73/jobuluneg.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/vurajejuvufiwatadeb.pdfIn PDF document text
- https://sukhayurveda.in/userfiles/file/11774407782.pdfIn PDF document text
- https://rzfmuhasebe.com/userfiles/file/41161495009.pdfIn PDF document text
- http://bigcool.net/webroot/img/files/pesunowuzojogoranenipamug.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/j7ms5ga7qregv439qsgfflant3/sipod.pdfIn PDF document text
- http://yasaitogo.com/uploads/files/83652570964.pdfIn PDF document text
- https://fultoys.com/userfiles/64777167286.pdfIn PDF document text
- https://eucolait.eu/userfiles/files/69784525080.pdfIn PDF document text
- http://cmuniontravel.com/userfiles/file/55297949878.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/2b7c5picdo7asq8vrvm0lngl9l/gapifatovaj.pdfIn PDF document text
- http://golden-candies.ru/webroot/files/files/gasevuwizigefub.pdfIn PDF document text
- http://rideco.hu/upload/file/feroxibolukusowutoge.pdfIn PDF document text
- http://zaun-produzent.de/userfiles/file/56334649965.pdfIn PDF document text
- http://banquat.com/userfiles/files/popir.pdfIn PDF document text
- https://balaji-technology.com/userfiles/file/39591229422.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=electrolux+dryer+parts+manualPDF 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_off0000bca9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCA9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d4c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4C0 | 10884 bytes |
SHA-256: 832f1469f7a3ae1e39da518901aad77de2ef70b711b8c98cdfc9fb47330d8a84 |
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font_02_sfnt_off0000edf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF4 | 16584 bytes |
SHA-256: e0739d7001bae47388f2bf36e26b6b155004353fdfdb041367ff3441f01ba136 |
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