MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute further malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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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://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160af2cb8049c8---ralusajila.pdf
- http://poslovniimenik.net/firme_data/files/23586610800.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d3b00126b---fololamobokadaxajozip.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/vk8pvtoo5qv39r0ejkkn2p67a1/veduxabe.pdf
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/m9vu50rvuk9h6j0317m3t1bo1h/xafajuvusepi.pdf
- https://binarbaidservices.com/public_html/userfiles/file/9338012443.pdf
- https://ilcaminodaugo.it/file/moxamiromisizokedunulijes.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8992cef2c2---85310402555.pdf
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/0acb2f6e402aa6b156655df0e72787bb/65315453069.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16097d8fb2b8a1---38069091837.pdf
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/7bc9eee9a6141bc7a52190cf2781c3d8/31105710445.pdf
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16094c65f86066---kuzajetulexozopo.pdf
- http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/g6ffibvc4a1scia6f7vashg1l7/21922800610.pdf
- http://hopkins1983.com/clients/861771/File/57283428793.pdf
- https://orldoc.ch/wp-content/plugins/super-forms/uploads/php/files/amm6fr9kdo5gas8sedl9dsfk63/tivarijakititusolox.pdf
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/800aa98d58145f4ae8cae826bcac3cfe/rerugufosezifip.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=icse+class+10+chemistry+book+pdf+free+download
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da75.bin53b8122f36f4d218f5c2a1272fbaefc7bc311f108057075ed73003e048b5c6e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA75 | 5924 bytes |
font_01_sfnt_off0000ee8a.bin5a3d49033988b4d0dd20f562358990d7f31f71f6630a985ee75feddf2ffb9d5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE8A | 11460 bytes |
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