MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF contains a link farm pointing to compromised websites, suggesting it's used to redirect users to malicious content. The presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM firings supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://zibarajabi.com/cache/fck_files/file/bidofofi.pdf In PDF document text
- http://artpolyclinic.com/file/files/ruwisezos.pdfIn PDF document text
- http://mintaialuminum.com/d/files/47628041417.pdfIn PDF document text
- https://gbp.dropship-online.com/userfiles/files/95550934317.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/de6e69993fda14e47cf00ee4045d65cf/17410942595.pdfIn PDF document text
- http://wajl.net/img/file/202198194237.pdfIn PDF document text
- https://www.supremecaravans.com.au/application/third_party/ckfinder/userfiles/files/nuwanewunuwixadusipipe.pdfIn PDF document text
- https://marlin-aquarium.ru/ckfinder/userfiles/files/jaliki.pdfIn PDF document text
- http://jinyezi.cn/upload/16789084822.pdfIn PDF document text
- http://klemanpince.hu/files/file/xovabukumedawe.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eaf7269dc8---51424463504.pdfIn PDF document text
- https://bunianco.com/other_files/File/gesetovoniziwopi.pdfIn PDF document text
- http://www.shjkyq.com/up_files/FCK/file/xaraboberutexivopirixaw.pdfIn PDF document text
- http://aftp.bg/userfiles/file/vogilotikovuwoka.pdfIn PDF document text
- http://spprp.pl/userfiles/file/34076309096.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16134a872507ff---80411461417.pdfIn PDF document text
- https://condicionamentofisico.com/arquivos/file/pisafabetedukitil.pdfIn PDF document text
- http://phubozena.pl/userfiles/file/wukarigigaje.pdfIn PDF document text
- http://flooroverstock.com/admin/userfiles/file/27674795204.pdfIn PDF document text
- http://graphicyazd.com/ckfinder/userfiles/files/wibisifemugotavalixavo.pdfIn PDF document text
- http://npxbyy.com/wang3_3_10_27/Upload/Upload/file/202194160396792.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d0506a0162---27423629402.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=the+legend+of+zelda+link%27s+awakening+gameboy+romPDF 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_off0000ccc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCC8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e4da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4DA | 17468 bytes |
SHA-256: 3efeb34db8a04d0e250b4c36b612da2bde9d484228e8f0821a14688dedb60b26 |
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font_02_sfnt_off0001123e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1123E | 11192 bytes |
SHA-256: 4df58e4a8d72118ac22d4104bf2e374a0984c41a144daf9a837b2c0f91188f45 |
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