MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous links to compromised WordPress upload directories and other disposable hosting, suggesting it functions as a link farm to distribute further malicious content or phish users. The presence of external URIs and link farm heuristics indicates a clear intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://coretry.ru/uplcv?utm_term=unlimited+car+driving+simulator PDF link annotation
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613101bb28ea2---zulatum.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/f37346c186106b7ad2ccfdafb66c3200/50798403584.pdfIn PDF document text
- https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/lulepifalixoj.pdfIn PDF document text
- https://sukienmiennam.com/userupload/files/tefubapunulogavunonorax.pdfIn PDF document text
- http://bukvoznaika.ru/ckfinder/userfiles/files/87537926041.pdfIn PDF document text
- http://spain-ex.com/images/blog/file/korafoxuvatiger.pdfIn PDF document text
- http://taxfreepoint.com/file/47056589169.pdfIn PDF document text
- https://dulsuc.cl/userfiles/file/rebemiso.pdfIn PDF document text
- http://atmaircenter.com/lb/userfiles/files/xugimo.pdfIn PDF document text
- https://tmtteks.com/files/25295346200.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac387e7dca---zinoji.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/93303247416.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161355f8d97523---65383454513.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/161450ef5e47b2---24725094673.pdfIn PDF document text
- http://mansiya.com/uploadfile/files/pumepilakimefekimad.pdfIn PDF document text
- https://consultingexpert.eu/fckeditor/userfiles/file/43278601698.pdfIn PDF document text
- http://www.como-grup.ro/fisiere/file/lowisupisejara.pdfIn PDF document text
- http://gardensyellowcab.com/admin/images/file/15820503579.pdfIn PDF document text
- http://gulfcoastlist.com/userfiles/file/bipojugixabobijakuxufuj.pdfIn PDF document text
- http://kinel-hunter.ru/upfiles/file/84757802379.pdfIn PDF document text
- https://stdtekstil.com/upload/ckfinder/files/wudagufusod.pdfIn PDF document text
- https://stvorki.ru/files/file/98809542407.pdfIn PDF document text
- https://tumsad.org/img/editor/image/file/jubugiki.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_off0000b6b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6B3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ceca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCECA | 10888 bytes |
SHA-256: bcaa044c9f586b61cc09035c3a0bc306e43b8a6dd01bd52d12262c12dbdbffc6 |
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font_02_sfnt_off0000e7b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7B9 | 14768 bytes |
SHA-256: d3d66f3533ee09b685807a424f6fbca34632af47859c61d8f436e320a3f0e840 |
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