MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to compromised or disposable domains, indicating a link farm designed to redirect users to malicious sites. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. ClamAV detection further confirms its malicious nature, classifying it as 'Pdf.Phishing.Trojan'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://smidgel.ru/uplcv?utm_term=text+to+speech+on+android+tablet PDF link annotation
- http://coumert.com/images/file/jowokosedasukeruwe.pdfIn PDF document text
- http://www.leposeur.fr/site/upload/ckfinder/files/sefuja.pdfIn PDF document text
- http://xn--jt2b56wn0ap2a.com/upload/file/202109151559213404.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6f7180482---8417096474.pdfIn PDF document text
- https://vieclamlaocai.vn/webroot/img/files/74134047040.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161395bac7fa9e---83004482812.pdfIn PDF document text
- http://jucal.es/images/file/bibapudo.pdfIn PDF document text
- http://cyc.cz/pictures/clanky/files/8207775501.pdfIn PDF document text
- http://nilesk.com/userfiles/file/60704440798.pdfIn PDF document text
- https://volnynaklad.cz/data/file/xuriseza.pdfIn PDF document text
- http://zae.me/datafiles/file/66846314022.pdfIn PDF document text
- http://nationalherbo.com/userfiles/file/daropesedunasibukali.pdfIn PDF document text
- https://aramlasmerok.hu/uploads/file/67409845828.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613efd7a99481---45714855372.pdfIn PDF document text
- https://onsale.social-push.cc/data/fckeditor/files/69560407166.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613695b6cdab5---bukuvogu.pdfIn PDF document text
- https://benmoonpharma.com/userfiles/file/veradogode.pdfIn PDF document text
- http://nyitotthaz.hu/userfiles/files/20341254858.pdfIn PDF document text
- https://kungfuclasshongkong.com/louis/taichi/ckfinder/userfiles/files/wosamadarusi.pdfIn PDF document text
- https://floridainvestment.cz/files/file/zezasatewivajejapuvera.pdfIn PDF document text
- https://dellrein.ru/content/file/vebazirojimusinatigifo.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/161363daa95159---duzisipupa.pdfIn PDF document text
- http://perevodvnegiloifond.ru/pict/file/duzolo.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_off0000da90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA90 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2A2 | 17636 bytes |
SHA-256: 178546872ffa785bfc6f299787cd78d34d96bc288ad78b1fe04a0699cdcc00ae |
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font_02_sfnt_off00012058.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12058 | 10816 bytes |
SHA-256: b9084f47cdd44f80756f08bb5835cbc7bcd22ca2183d3d79b59803dd03e70573 |
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