MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs pointing to other PDF files hosted on compromised websites, indicating a link farm designed to redirect users. The ClamAV heuristic specifically flags this as 'Pdf.Phishing.Trojan', suggesting a malicious intent behind these redirects. The presence of multiple compromised CMS upload links further supports the malicious nature of the hosted content.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3686
Heuristics 5
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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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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://crysiq.ru/uplcv?utm_term=manual+bookkeeping+supplies PDF link annotation
- http://hzbmsj.net/images/upload/File/vewizu.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/57e42f82484222ebf81a6938f5fa6289/990283554.pdfIn PDF document text
- http://mp-journal.com/media/file/pawufunarudesolarudot.pdfIn PDF document text
- http://sugarfree-gelato.com/upload/file/fevokotakiwifujesigotodi.pdfIn PDF document text
- https://wrd13.com/force/file/tugofibamezeduta.pdfIn PDF document text
- http://skazka76.ru/pic/userfile/nuvemavifasifaz.pdfIn PDF document text
- http://soft-pro.hr/upload/datoteke/81225429147.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/gui27uv7ef923qn2s6sgdbj2as/mixef.pdfIn PDF document text
- http://xinyuemu.net/assets/202108/files/20210807004437442851.pdfIn PDF document text
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/e4d5dc7e6cdab0fa397de7b2fa376f99/5600807043.pdfIn PDF document text
- https://foulardfotografando.it/file/42441421676.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/59143b4130d3a7cdb53106583f4a453d/715129365.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8e6252a4a---27601060289.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16107e0f7f0eb3---savut.pdfIn PDF document text
- https://areicon.com/images/file/10606084093.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16104745e0d6b0---pebezaxapinuv.pdfIn PDF document text
- http://ghrnightinwhite.com/clients/7/72/721f26fb9237119891afe8d29dbdfc29/File/pagusu.pdfIn PDF document text
- https://qualityroofinnandsuites.com/nbloom/fckuploads/file/jewidejowoz.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607759dbbbae4---minifaz.pdfIn PDF document text
- http://interel-rus.ru/test/sites/default/files/file/mirifirowujokovaxap.pdfIn PDF document text
- http://seamcc.com/UserFiles/files/pifewokixa.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf0163f451---45344062620.pdfIn PDF document text
- http://kqcme.yiaiwang.com.cn/upload/files/xejojakesezoluboru.pdfIn PDF document text
- https://ruiguoex.com/upfile/files/2021/07/31/gevizepobodevefisu.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a8ff6bd6e---37766295952.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/ebadf3bcb97b7612e48f8d07c661a698/sajufunuruxi.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dcd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCD8 | 16800 bytes |
SHA-256: 3ad8bead9ec8e1a86f21db49c0239985afaab06390cd27c91d96c1da144513be |
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font_01_sfnt_off0001086c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1086C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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