MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of external URIs and link farms indicates an attempt to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://nomylo.ru/uplcv?utm_term=learn+tang+soo+do+online PDF link annotation
- http://iaestedresden.de/userfiles/file/sesuvupevu.pdfIn PDF document text
- http://timeyear-v.com/userfiles/file/40818933760.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a91f2923a80---ribijejuxalobujopufedu.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160abe65aea875---34391821030.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/2d3d0cf669d6f33b1e13539077113f14/wifuwemugunixix.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa58333377---864174726.pdfIn PDF document text
- http://cungcapbaoduongcuanhatban.com/upload/files/97866274333.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/dd174e42d12b39ad3aca8ad03c9312ae/73046083157.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/253b0cf4fec5f87e0fc9b2f72483e2d5/87347299301.pdfIn PDF document text
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/ec6c5673cf1e6efb82b3badea0fc2e7a/ritikalalejuxemu.pdfIn PDF document text
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/qn994v2cb7vbmpejoqdsemt8f3/ratoxuzof.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160785c802ea5b---64729921393.pdfIn PDF document text
- http://krevue.cz/UserFiles/File/mafuzeratijezuxoxatiwop.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ebfc2ec508---fobetemawuzejujawudolo.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/62ej7gdapfqifadmss0s1cac9e/11670796275.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/ffbbb7286bc9aa75332f3e3af767b509/76606688458.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609acdf7a7c27---61200065282.pdfIn PDF document text
- http://asfalon.com/__files/file/96564706798.pdfIn PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16070ccaa71437---34111504511.pdfIn PDF document text
- http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/lotalekowedaxe.pdfIn PDF document text
- http://heldermusic.nl/ckfinder/userfiles/files/97241765396.pdfIn PDF document text
- http://barudan.hk/UploadFile/file/20210519084356296.pdfIn PDF document text
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/16099de52b9411---31578654588.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/kiwib.pdfIn PDF document text
- https://nbtele.com/en/cache/fck_files/file/rofusigejijanejusufer.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_off0000dc17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC17 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f42e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF42E | 10380 bytes |
SHA-256: 7fb35c6bc54d50c95384815e88d327731f4f1d469987b69fc90bc735592b491a |
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font_02_sfnt_off00010b86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B86 | 17536 bytes |
SHA-256: 6400a2beb539c42b2fa0ddd1144212b157fd46435e4eedbe8c62de7c21293184 |
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