MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. The heuristics indicate the PDF is a link farm on compromised CMS uploads and disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://ippon.lv/uploads/File/98598840201.pdf In PDF document text
- https://rafaellopezehijo.com/upload/files/80913420454.pdfIn PDF document text
- http://lapawan15.com/shop/fck_file/file/ragakatobasujuw.pdfIn PDF document text
- https://membermimpi.com/contents/files/48059662771.pdfIn PDF document text
- http://ajk-opakowania.eu/upload/fck/file/ripaxopatode.pdfIn PDF document text
- http://bctlorraine.org/userfiles/file/92217773341.pdfIn PDF document text
- https://eldorado777.ro/upload/editor/file/61771274883.pdfIn PDF document text
- https://kungfuclasshongkong.com/louis/taichi/ckfinder/userfiles/files/mirasunimulisizasu.pdfIn PDF document text
- http://greenlivinggarden.com/htdocs/UserFiles/file/34073106205.pdfIn PDF document text
- https://bedandbreakfastholten.nl/userfiles/file/49851856297.pdfIn PDF document text
- http://chapaconoticias.com/assets/ckfinder/core/connector/php/uploads/files/78520782127.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/ucdsn3kb80j7lrs5jfk282uj66/57410156034.pdfIn PDF document text
- http://focalthai.com/file_media/file_image/file/8743974640.pdfIn PDF document text
- https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/pujelirodurubutotilosas.pdfIn PDF document text
- https://jamuiboe.com/webroot/upload_media/zobogawofodejikugog.pdfIn PDF document text
- http://inteko-tula.ru/f/file/48208312971.pdfIn PDF document text
- https://maydangson.com/vietkiendo/upload/file/57264402239.pdfIn PDF document text
- http://leeharringtonhomes.com/userfiles/file/80764131468.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/db1ue1iicbvmok1ou7ukhismv4/nukotizas.pdfIn PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/161323e7a392a6---zivubimotebetez.pdfIn PDF document text
- http://solyaris.pro/admin/ckfinder/userfiles/files/kamubitorobabukiji.pdfIn PDF document text
- http://moriefrusca.com/userfiles/files/tonukefekokifezebu.pdfIn PDF document text
- http://studioturina.com/userfiles/files/12153022803.pdfIn PDF document text
- https://songhong-thudo.com/img/files/84764185628.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=unturned+bookshelf+idPDF 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_off0000e939.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE939 | 18288 bytes |
SHA-256: 7c98f5c065d93f2dbbbd42f22dfcf7fbed547c09440436e30f2de0ffd5b30432 |
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font_01_sfnt_off00011903.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11903 | 10628 bytes |
SHA-256: e86339d66ec6044df5d92f58da15c55c0a9420042c4d4ef6099ef7683879ede2 |
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font_02_sfnt_off00013137.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13137 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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