MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, with one heuristic specifically identifying it as a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely facilitates the redirection to malicious sites, contributing to a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 6
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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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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://crimesla.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/80359700580.pdf In PDF document text
- https://cncostruzioni.com/userfiles/file/porufujafalav.pdfIn PDF document text
- https://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/44118030293.pdfIn PDF document text
- http://surmounttravel.com/userfiles/files/11918276256.pdfIn PDF document text
- http://landroverbh.com/ckfinder/userfiles/files/22210345024.pdfIn PDF document text
- http://rpsbchamber.org/editorData/file/kupevutazikipepe.pdfIn PDF document text
- https://evabizz.com/userfiles/file/32146273250.pdfIn PDF document text
- http://tksvolga.ru/userfiles/file/68908954327.pdfIn PDF document text
- http://ballarioarchitetti.eu/userfiles/files/jikevosi.pdfIn PDF document text
- http://hdurmuslar.com/images_upload/files/22917548186.pdfIn PDF document text
- http://ombs.ru/uploads/files/39863685430.pdfIn PDF document text
- https://galaxytraining.examinationonline.com/files/luxijomizeguxi.pdfIn PDF document text
- http://abwnickersonplaza.com/uploads/files/febususepep.pdfIn PDF document text
- http://pass38.com/images/contentimages/files/80820522365.pdfIn PDF document text
- http://twsl.mingann.info/upload/ckfinder_temp/files/20210910162326.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-14/20210914005532566642.pdfIn PDF document text
- http://ventss.ru/userfiles/files/dopiketuxenodomofupituvu.pdfIn PDF document text
- http://kingswaytyres.com/project/kingsway/uploads/file/6127854827.pdfIn PDF document text
- http://uran-berlin.com/userfiles/file/67729174667.pdfIn PDF document text
- http://hocikto.info/userfiles/file/8604157970.pdfIn PDF document text
- https://dintek.eu/uploads/file/nexor.pdfIn PDF document text
- http://shangyi-pump.com/uploads/file/071046486468.pdfIn PDF document text
- http://axi-hohenstein.de/userfiles/file/17149009462.pdfIn PDF document text
- http://mrcubezpieczenia.pl/app/webroot/media/files/zusak.pdfIn PDF document text
- https://simplehome.ro/ckfinder/userfiles/files/tiwesalawibaratogulugo.pdfIn PDF document text
- http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sazol.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=which+is+the+best+browser+for+android+phonesPDF 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_off0000eb4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB4C | 10892 bytes |
SHA-256: 756986ba6c9a27389ff34ed1b5b899d007ce80cdfda0313b00075612d7acd924 |
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font_01_sfnt_off00010450.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10450 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C62 | 17620 bytes |
SHA-256: df865b0a82127b6e688091652588a547a7a7bd585ac6b9c448a4fc0d55acea9f |
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