MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple links to compromised WordPress sites, suggesting a link farm designed to host malicious files. The presence of a 'download button' heuristic and ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicates a phishing or malware distribution attempt. The ML classifier also flagged this PDF with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e760b0f13---jozawubetonejeduzuzovufop.pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160740cff08969---nutevudunotapoz.pdf
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/1f939911a183c55a9eccab4f725738f7/botunesiwivorufawinunem.pdf
- https://rockdental.co.uk/wp-content/plugins/super-forms/uploads/php/files/875f636fa9da976ec70a7b7419bc13b1/3234902337.pdf
- https://ruiguoex.com/upfile/files/2021/06/02/97470820168.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6143d51781---nowunilagogobigizavonozo.pdf
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/afeb3bd041939c1f912bd65ffe6f5416/pijakuraxepufolitanotigiw.pdf
- https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077a922b636a---69937387157.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/7806d26d0ff0a638f81bc39f289f44ef/93853856148.pdf
- http://aite-materials.com/upfiles/file/lavada.pdf
- http://aldo-ins.com/userfiles/file/71762462383.pdf
- http://botosani.ro/img/uploads/file/64473716172.pdf
- https://www.anandtirth.com/wp-content/plugins/super-forms/uploads/php/files/3m6v07jlv7ad3atl0vuvn5p7r6/vulexufidori.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/794f5db9ca723973511fb7b7a46cba82/pigexedabovegunowig.pdf
- https://abugfreemind.com/userfiles/file/74623488109.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d6de0a356---gisozenugitoxigasofelamu.pdf
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/ae77e0fed77a6eedf2fbdae2e685a4d1/ponuzokisujiwerurovunezut.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=adjective+worksheets+for+1st+graders
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c539.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC539 | 16792 bytes |
font_01_sfnt_off0000dd50.binc7eaadf5b2e32bdf48fb9ddec83763850d22e7270584c71aa46224e55cdbeca0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD50 | 11012 bytes |
font_02_sfnt_off0000f6f7.bina4ca1252b9897ed490930a45655473bf223e9b76f737787adad67f903ead9c91 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6F7 | 16700 bytes |
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