MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that function as a link farm, directing users to potentially compromised or malicious websites. The presence of multiple PDF link farm heuristics indicates a deliberate attempt to obscure the final destination and increase the chances of a successful lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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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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 http://cs-golfclub.com/ckupload/files/bifodoroxexo.pdf In PDF document text
- http://finadev-groupe.com/userfiles/file/19758283773.pdfIn PDF document text
- http://mega-stainlesssteel.com/uploads/image/files/fisaritete.pdfIn PDF document text
- https://xtrafitcoaching.com/www/images/files/kawiko.pdfIn PDF document text
- http://szzxwx.com/Upload/Upload/file/2021914130209727.pdfIn PDF document text
- http://interiorsexpress.biz/dayafter/uploadimages/newsimages/file/mofalixetinumamaxuwex.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/5aq06c4c9onjc1174jo5tcpjj4/sovemadumelofigafivinaka.pdfIn PDF document text
- https://247christianity.org/fckeditor/userfiles/file/844511904741631337350.pdfIn PDF document text
- https://naves.cz/res/file/winufemomokijezisetuk.pdfIn PDF document text
- http://boilerservis.ru/uploads/files/pijiniselogesuzetuwikulo.pdfIn PDF document text
- https://www.dogandemir.av.tr/paketler/ckfinder/dosyalar/files/59818884025.pdfIn PDF document text
- https://webbsoil.com/home/webb/public_html/ckfinder/userfiles/files/zaxipogu.pdfIn PDF document text
- http://fantasymusic.it/userfiles/files/dudalatuzobesapokat.pdfIn PDF document text
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/161366c99792ce---84151012237.pdfIn PDF document text
- http://articolo17.it/siti/usr/foto/files/53268482974.pdfIn PDF document text
- https://wct.goldcrownresort.com/magazine_files/files/96257012230.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/161413f365e0dc---34206561711.pdfIn PDF document text
- http://tndgdemo2.com/ckfinder/userfiles/files/vixerebijulukonudoje.pdfIn PDF document text
- https://noihoithanhtuan.com/media/ftp/file/wapugobemop.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/00ccd5bdb87ab93596befc17747d2a26/46239858336.pdfIn PDF document text
- https://encoyun.com/calisma2/files/uploads/fitusegikesofi.pdfIn PDF document text
- http://xn--jt2b56wn0ap2a.com/upload/file/202109060108559426.pdfIn PDF document text
- http://www.amedna.com/userfiles/files/82586971841.pdfIn PDF document text
- http://giasudaihocsupham.com/Images_upload/files/27045110894.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=nova+dark+icon+pack+apk+downloadPDF 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_off0000b009.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB009 | 10328 bytes |
SHA-256: 540528867a584e895484df13b843152470b110e014c5263108a8a9868792688b |
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font_01_sfnt_off0000c771.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC771 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000df83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF83 | 15364 bytes |
SHA-256: f50a70d7e9fa12664ff4901fb069a45181800af43d0ec80fa126787dc6948c62 |
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