MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to potentially compromised websites, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The embedded URLs are designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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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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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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://thepainter.asia/upload/files/desatakilazujilunajo.pdf
- http://diamant-x.sk/UserFiles/file/62724269711.pdf
- http://fc-junajted.com/upload/datoteke/padozudusiminasokesige.pdf
- http://nfc-lampang.com/user_img/files/bezakerasus.pdf
- http://iweldbot.com/ckfinder/pho/files/81861132162.pdf
- http://www.optimizecost.com/admin/ficheros_fckedit_subidos/lamakobo.pdf
- http://englandmatchshirts.com/assets/file/49502168448.pdf
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/1b6f43282865d3dc2a21f68b61314907/rudazawuvasobasisopori.pdf
- https://martabaktelor.com/contents/files/tuwumavot.pdf
- http://cathyknightwaite.com/ckfinder/userfiles/files/13442086630.pdf
- http://aweibel.com/Photo/file/82585740356.pdf
- https://saikekanglun.com/filespath/files/20210914135546.pdf
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/4ca23a6d69f590b9a582c70882caa4a0/letijuxavuxuguluparir.pdf
- http://isystemlab.com/admin/ckfinder/userfiles/files/lasejazato.pdf
- http://namngonviet.vn/user-/files/xatawawan.pdf
- https://chuyennhakienvangvn.net/upload/files/77396421427.pdf
- https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/ruzasilagix.pdf
- https://cafesca.mx/ckfinder/userfiles/files/79088411852.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/161394363b64c8---43271542115.pdf
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb41eb544b---neladuseraxokin.pdf
- http://idrogastermoclima.it/Utentifile/FCKPage/file/61690865668.pdf
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16135d8e87c66e---vusuzumopoxujifilemitipe.pdf
- http://keralatravelpath.com/uploads/file/romuwelixeputim.pdf
- https://tamphuctriland.vn/upload/files/23973397845.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/d78c3e4cac98fd57ed906b4bb7df5681/vufiwat.pdf
- https://fiscalonline.eu/app/webroot/files/userfiles/files/ruzekavi.pdf
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614184d15506d---20214651888.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=jassi+gill+song+download+mp4
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d562.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD562 | 16792 bytes |
font_01_sfnt_off0000ed74.bin4ef7f63a154a040412f53be1073ba39adb2938e59a737f7f0d8d5c3843204bca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED74 | 18236 bytes |
font_02_sfnt_off00011d3a.bin01ebc35eabd8700da0d125bc7380cc9c328b17539d2a1722153dd902b6f88b44 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D3A | 10560 bytes |
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