MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to external sites hosted on potentially compromised WordPress installations or disposable domains, characteristic of a link farm used to distribute malicious content or phish for credentials. No scripts were extracted, but the structure and URL analysis strongly suggest a phishing or malware distribution attempt.
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://enjoy.sk/editor_uploads/system/files/94567765604.pdf In PDF document text
- https://fanaf.org/article_ressources/file/26158650067.pdfIn PDF document text
- http://eros-arena.de/eros/userfiles/file/97950378457.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/161608b5a0cbcb---50467276630.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cca8f65516---96997628955.pdfIn PDF document text
- https://tkquiz.com/userfiles/file/supida.pdfIn PDF document text
- http://simpelms.nl/userfiles/files/39818051369.pdfIn PDF document text
- http://demenagements-remond.fr/userfiles/file/20210902085000.pdfIn PDF document text
- http://xy-interior.com/uploads/files/202109070336026233.pdfIn PDF document text
- https://ikuseikyokai.jp/ckmedia/files/33841565742.pdfIn PDF document text
- http://datong-travel.tw/upload/ckeditor/files/20211005144339.pdfIn PDF document text
- https://total-sport.pl/img/upload/files/mejonanuw.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/1a01hi389ge05323bqafmj176s/27797306019.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16151eb52ce39b---wawem.pdfIn PDF document text
- http://colafranceschi.it/userfiles/files/xunalokowi.pdfIn PDF document text
- https://cooperadora.grupocreartel.com/documentos/archivos/96840126225.pdfIn PDF document text
- http://fcraregistration.com/UploadedData/file/nekida.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/mobowakemugajexowep.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/161590fd00f3ed---kufusuzuzuzoteraxilogato.pdfIn PDF document text
- https://movimientofamiliadejesus.com/images/uploaded/file/42672348233.pdfIn PDF document text
- http://redactron.com/userfiles/file/mopuxutuwumef.pdfIn PDF document text
- http://3asoft.vn/img/files/1051470843.pdfIn PDF document text
- http://www.grupoaccs.net/ckfinder/userfiles/files/wazutarufawapugi.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/1gvr2cn15ilj53l53q20rr6r23/66006519548.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16153b02dde827---33170081893.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=as+i+walk+through+the+valley+of+the+shadow+of+death+quotePDF 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_off0000e970.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE970 | 11112 bytes |
SHA-256: f35da42db996174279631f9b8fd7232beefac4455bf6c0a683cf10796cc780ba |
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font_01_sfnt_off0001031d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1031D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011b2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B2F | 19768 bytes |
SHA-256: bcd79d0c552ffc0e6c8d782bdd14ce2ec7d59857f2eeb70d8c2e69fb1652d365 |
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