MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ClamAV with a 'Pdf.Phishing.Trojan' signature. Static analysis reveals it functions as a link farm, containing numerous URLs pointing to compromised WordPress sites. These links are likely intended to lure users to phishing pages or download further malicious content.
Machine Learning
- Nyx PDF Classifier suspicious score 0.2573
Heuristics 5
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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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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://technok.cz/wp-content/plugins/super-forms/uploads/php/files/35729619b747e4e5387611edc1b35a7a/28210949810.pdf In PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/8a1lis4sj8brevnr8ctdiursp5/soxukelunerexugafufet.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/9mhnm753ohbua7q5tqjkiq3rgu/dijagodu.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9bec89a3a---79433477604.pdfIn PDF document text
- http://www.moyekolodin.com/files/50482251762.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f684241c1d5---vaxozamen.pdfIn PDF document text
- https://jotekonybakterium.hu/userfiles/files/76775967706.pdfIn PDF document text
- http://mini-garden.ru/userfiles/file/41615020156.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/e7f8a9124281ff0e36a9ffdebfba0185/mekijowabikatifoxile.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/gm43cu1u9u8988j0ht5v5vn1b0/19647829418.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e41f505fd1---mowidewixosivuj.pdfIn PDF document text
- http://steps4cancer.org/clients/a/a7/a78c374070a178914b502abaf3db82b8/File/51239313922.pdfIn PDF document text
- https://smartcirclegroup.com/userfiles/file/8592796376.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/kubegoxere.pdfIn PDF document text
- http://abwpetersburg.com/uploads/files/jewut.pdfIn PDF document text
- https://tranduongauto.com/app/webroot/files/images/pages/files/laxedado.pdfIn PDF document text
- http://nicenpos.com/userData/board/file/78678271222.pdfIn PDF document text
- http://pamatudarbai.lt/ckfinder/userfiles/files/93156259165.pdfIn PDF document text
- https://pmcp-avac.com/files/upload-ckfinder/files/judaw.pdfIn PDF document text
- http://unseretochter.com/images/file/51167064566.pdfIn PDF document text
- http://morard-mcf.fr/data/Files/82744436890.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa7041a889---88042484927.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/4425574f3b88e64218219bb36870ab9f/mizozirupoluj.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf5ef8b89a---86732617785.pdfIn PDF document text
- https://argentinaproduct.com/ckfinder/userfiles/files/fetuwi.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608f808443423---75490877735.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=add+text+into+pdf+filePDF link annotation
- 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_off0000d7e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E6 | 10144 bytes |
SHA-256: f7ed2a99e6b42121a36ac2527dbbcd82c20d2caf9408b6d75948fc1bb32e0155 |
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font_01_sfnt_off0000eea7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000106b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106B9 | 17776 bytes |
SHA-256: 79f138bb2c4a488a734433fe23de76d38075f9e71c42af5b2bfefbb5cdb0f78b |
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