MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which point to disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely a phishing or malware distribution scheme disguised as a download link. The embedded JavaScript is likely used to facilitate the redirection or download process.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://chcial.ru/uplcv?utm_term=minecraft+download+pdf PDF link annotation
- http://custom-mugs-factory.com/uploadfile/files/5155493686.pdfIn PDF document text
- https://beldapromosyon.com/calisma2/files/uploads/vifemadabezorefiviw.pdfIn PDF document text
- http://gfb.it/upload/fck/file/papegawupepuvitefaj.pdfIn PDF document text
- https://liepasmuiza.lv/userfiles/library/zerukowidonazowojema.pdfIn PDF document text
- http://villacappuccina.com/userfiles/files/14285258007.pdfIn PDF document text
- https://panegovernance.com/ourprojects/chowki/UserFiles/file/73893030720.pdfIn PDF document text
- https://polaria.cz/images/file/27823909010.pdfIn PDF document text
- https://hlj-vibration.com/uploads/image/20210904/files/20210904043551.pdfIn PDF document text
- http://buyyoutubelikes.com/ci/userfiles/files/70017212360.pdfIn PDF document text
- https://mmoxx.mn/userfiles/files/20333752576.pdfIn PDF document text
- https://bienenaktuell.com/sites/bienenaktuell.com/files/file/82726883108.pdfIn PDF document text
- https://u-spot.biz/js/ckfinder/userfiles/files/vorotanabozixulizalin.pdfIn PDF document text
- https://andana.us/files/files/98959359118.pdfIn PDF document text
- http://piemonteforyou.it/userfiles/file/6014037994.pdfIn PDF document text
- http://barahi.com/assets/userfiles/files/42323836276.pdfIn PDF document text
- http://thekitchendesignstudio.org/uploads/files/zapozufogilutitebabiva.pdfIn PDF document text
- http://tostonet.cl/ckfinder/userfiles/files/lilidizenametidefowar.pdfIn PDF document text
- https://www.opsclown.it/ckfinder/userfiles/files/nakaxidagepusofopugezomu.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161325fdbbf3af---sinogupixofome.pdfIn PDF document text
- https://ezastupitelstvo.sk/editor_uploads/system/files/74682733388.pdfIn PDF document text
- http://naturalmis.com/userfiles/file/81724964300.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/22903446494.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161363d58f3200---33151283414.pdfIn PDF document text
- http://rioairporttransfer.com/ckfinder/userfiles/files/sujilolikafatatepapotatem.pdfIn PDF document text
- http://kondicionery-himki.ru/upload_picture/file/5847323194.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_off0000bf0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF0D | 16004 bytes |
SHA-256: 6dfa40b107f793db44dc46ac72a6ec778533522a92508f231b70d9110ea09c95 |
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font_01_sfnt_off0000e7f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7F1 | 10524 bytes |
SHA-256: a188025e0fcea8dab90fc21b473772ef698d62afa195bdc076ab1eadb8cb5c3b |
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font_02_sfnt_off00010015.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10015 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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