MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, indicating a malicious intent to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests a large number of links pointing to disposable hosting, reinforcing the phishing or malware distribution vector. The ML classifier and ClamAV detection strongly support the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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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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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://allytemp.ru/uplcv?utm_term=como+instalar+whatsapp+plus+para+android PDF link annotation
- https://dalnoboy.com/data/filestorage/upload/files/56090253801.pdfIn PDF document text
- https://lexcochoralsoc.org/demo/lccs/beta/userfiles/files/9116531940.pdfIn PDF document text
- http://chaukitchen.com/uploads/files/tesalunamarifurupetowu.pdfIn PDF document text
- http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/nadimuverisoduterove.pdfIn PDF document text
- http://futimisdev.com/userfiles/file/vasurozonudaxilosetibo.pdfIn PDF document text
- http://porpora.group/imagenes/imagenes_contenidos///xuzabakaw.pdfIn PDF document text
- http://newgatedesign.com/Images_upload/files/nutisupalerib.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137e26b943e9---42707417426.pdfIn PDF document text
- http://indcms.testingmachines.com/images/file/13335721384.pdfIn PDF document text
- https://pabxlg.com/userfiles/file/72638117796.pdfIn PDF document text
- http://borneneskontor-landsforening.dk/userfiles/file/renepeloxovapamud.pdfIn PDF document text
- https://readandenjoy.ae/userfiles/files/niliwarulutevuz.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139f70751df3---zefenarewuriposun.pdfIn PDF document text
- http://bobiniauto.com/userfiles/file/7236465591.pdfIn PDF document text
- http://around-sicily.net/userfiles/file/lilajopotaparowilaxanede.pdfIn PDF document text
- http://heatexchangersolution.com/upload_fck/file/2021-9-7/20210907160322885675.pdfIn PDF document text
- http://angelcabrera.com/FCKfiles/file/83037298516.pdfIn PDF document text
- https://rent-1.es/ckfinder/userfiles/files/78735213114.pdfIn PDF document text
- http://geriatriccarenewjersey.com/userfiles/files/wifizejiguxepuz.pdfIn PDF document text
- http://tko.wavedev.net/img/files/files/8729464645.pdfIn PDF document text
- https://majubesar.org/contents/files/907430840.pdfIn PDF document text
- https://tempegaring.com/contents/files/11989235505.pdfIn PDF document text
- http://bkht.vn/userfiles/file/xekomex.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_off0000d937.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD937 | 10740 bytes |
SHA-256: b9813a4ac921679d9783029b2946264dd542c349e39507de7dca2f6da305cda9 |
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font_01_sfnt_off0000f1b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1B6 | 19892 bytes |
SHA-256: 1b279dfdf7e6d6411ec14717d214dca037dfcf279756289fe31d61f3c83b900d |
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font_02_sfnt_off0001238f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1238F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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