MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users to malicious content. The primary attack pattern involves luring users through these links, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://cottonweb.net/userfiles/file/xazumupumusojojokoxi.pdf In PDF document text
- http://www.cbs-emballages.com/upload/file/farigotanitumotuvatug.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ff7bf6c8aa9---dudonodofupuziwakafupok.pdfIn PDF document text
- https://ka-base.no/images_content/file/jujisolaxafumibimam.pdfIn PDF document text
- http://mlsy.cz/images/file/files/fadagibikesutosesogep.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b0db9d933da---54692574948.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609cdde85c3e4---filobutugi.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/31fea7e55420d37bbaeaedbdfd7e5a72/60972279885.pdfIn PDF document text
- http://sriagasthiyarastro.com/FCKeditor/userfiles/file/9150188768.pdfIn PDF document text
- https://ahha.az/userfiles/file/boxolifavudilef.pdfIn PDF document text
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607678ab9ef2c---55923719814.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/e475729e461514ef4ab8055ce509ae46/14996088212.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160949e1d7dc94---genisidaxatuzawuken.pdfIn PDF document text
- https://go2germany.ru/files/file/xarafigipirix.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160771ff54612b---xorugonujona.pdfIn PDF document text
- https://luxm.pl/userfiles/file/xepiwudabilerozaxawezij.pdfIn PDF document text
- http://copy2d.com/ftp/image/file/34699222143.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/f7ae6qg7e6ppmm2fv3vjp06vov/wunisi.pdfIn PDF document text
- http://studiovalentini.eu/userfiles/files/gukusavedibowopokoro.pdfIn PDF document text
- http://kondicionery-dolgoprudny.ru/upload_picture/file/21679389559.pdfIn PDF document text
- https://crpm.ch/ck/ckfinder/userfiles/files/53664159800.pdfIn PDF document text
- http://choinka4x4.org/cms/files/file/remododafefoduwavozaxik.pdfIn PDF document text
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1608448433627c---begesoze.pdfIn PDF document text
- http://ufnk.fr/app/webroot/files/file/86097873350.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160cba67614f93---pamawoluzegasa.pdfIn PDF document text
- http://amajyuku.com/files/files/simodegamifivarazadotulem.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=sketchup+pro+2016+upgradePDF 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_off000108c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108C2 | 11112 bytes |
SHA-256: adb5e8f5ef94cb948fa8bc68d739f0f9a9b71e9a416d0dc0aafb4a08a09f1a02 |
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font_01_sfnt_off000122c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122C0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013ad2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AD2 | 18140 bytes |
SHA-256: b81284c3c21f32f3ca2396e9a7d61faa14eb883d12b4a9a1ac334979c80347f5 |
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