MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
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 to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting it functions as a link farm for phishing or malware distribution. The embedded URLs and the document's structure point towards a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://smidgel.ru/uplcv?utm_term=ventajas+y+desventajas+del+modo+de+producci%25C3%25B3n+capitalista PDF link annotation
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/bca5ec06594a8d04e33b4de3d3a2269e/fesulojevuvajitawal.pdfIn PDF document text
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/16084979da7bdc---27187843065.pdfIn PDF document text
- https://securityguardsupply.org/php/uploads/file/livejifusere.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607caa171d531---88605032098.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ab9b65e632c---towezokenepotilo.pdfIn PDF document text
- http://arch-teh.com/pic/userfile/37852349598.pdfIn PDF document text
- https://ahha.az/userfiles/file/tijifoterixabe.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a94999a8afd---90515700009.pdfIn PDF document text
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a80105c45---lowobukakis.pdfIn PDF document text
- https://www.oneirishrover.com/wp-content/plugins/super-forms/uploads/php/files/c261ca42d2b6a1adf3fe2f69696dbed9/82762997347.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a938e3c5359---garipapi.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607f293c2db99---23741116273.pdfIn PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/8cb09825de79faa4a2b46295c63647ed/72893155724.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a5084055fc5---dadugokoxub.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/1029812d0496cabeb0480bcd9d450cbe/xajukeva.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607785848f267---33108881630.pdfIn PDF document text
- http://atut-biuro.com/uploaded/file/7520015015.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB2D | 5560 bytes |
SHA-256: 6b8772e138d9bcc4e5dfc5de80eaf922cfd0f0a26774970e0f3f9ac8a903f819 |
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font_01_sfnt_off0000edd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDD4 | 10764 bytes |
SHA-256: 817a71a856a2a938dabf631566645ec001a9133dce4ff4a4ae31f61205702456 |
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