MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm or redirection scheme. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the structure and URL patterns indicate a malicious intent to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 5
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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://irlanc.ru/uplcv?utm_term=drishti+ias+history+optional+notes+pdf PDF link annotation
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec71f749ee---8477907108.pdfIn PDF document text
- https://agrimal.pl/userfiles/file/vemivilexuzinujemaxoju.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b982b005be0---kikakixowonovas.pdfIn PDF document text
- http://eternoohydro.com/d/files/monodinazazudiginarex.pdfIn PDF document text
- http://thietkeweblongan.com/upload/files/xijuja.pdfIn PDF document text
- http://www.gyndoktors.de/ckfinder/userfiles/files/40148217779.pdfIn PDF document text
- http://thaoduocquyhiem.com/userfiles/image/file/10670463758.pdfIn PDF document text
- https://tskrea.com/userfiles/file/84868387446.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf8b24bae8---93394433998.pdfIn PDF document text
- http://cyc.cz/pictures/clanky/files/8207775501.pdfIn PDF document text
- https://hsse.cl/files/93011053838.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1611eb43130932---nowepojunuze.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607701484948f---lanubadejunikuzigejej.pdfIn PDF document text
- http://nitexprofi.cz/userfiles/file/pixikusuk.pdfIn PDF document text
- http://cephedanismani.com/images/pages/file/dofebetopopiwesaratepoluv.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609609cfcf554---10190724665.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/mutogesobuge.pdfIn PDF document text
- https://ivanda-commerce.hr/userfiles/file/13924447070.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/cd31b4885a452947a0435e70d5c70fe0/fokupodugulodojezedi.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/76a791dd4e44f4b723526525a5954558/gexisututoxugeta.pdfIn PDF document text
- https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/2b68f88c47824669fea84fd64f01eccb/66429203176.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/fa5moh5gmp6f825vvf4mq95a0e/79095776553.pdfIn PDF document text
- http://accessprecision.com/userfiles/file/11054162141.pdfIn PDF document text
- http://autoshiftbid.com/fckeditor/userfiles/file/12211348101.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_off0000c6c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dedd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEDD | 10708 bytes |
SHA-256: a3416b3fcddfeabf74597d0d9a26be70776e60b5e1d1c1e5df15b04242c37a5e |
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font_02_sfnt_off0000f766.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF766 | 19584 bytes |
SHA-256: f8a8d121967dcbfa30da1fac66353e59105dfb5544e7f547e44069605945c848 |
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