MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious or phishing sites. The presence of external URIs and link farm heuristics indicates a primary goal of directing users to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://ketchas.ru/uplcv?utm_term=suplicame+que+pare+waru+pdf+descargar+gratis PDF link annotation
- http://gfhs1978reunion.com/clients/56625/File/54766925952.pdfIn PDF document text
- http://malopolskiszlakwinny.pl/upload/File/16716099008.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b6f306dfd4a---dusewimotasokelimo.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9da96b60f3---98839732235.pdfIn PDF document text
- https://khogiaydantuonghanquoc.com/images/news/file/xasanux.pdfIn PDF document text
- http://petraifevronii.ru/ckfinder/userfiles/files/87669534988.pdfIn PDF document text
- http://hanasushipickup.com/uploads/files/pigaduwubasafokul.pdfIn PDF document text
- http://equipelec.fr/ckfinder/userfiles/files/pevaleratepuzadinip.pdfIn PDF document text
- http://infrabud.eu/fckpliki/file/52183980410.pdfIn PDF document text
- http://donghobaoan.com/uploads/files/85202065954.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/81a35b2d86631e145ff1fe44b3748ba2/39421114464.pdfIn PDF document text
- http://clase86marista.com/clients/25276/File/25667333076.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/7b04580fe063e9cb82481fe5cb765b79/8333121785.pdfIn PDF document text
- https://cmoretv.com/userfiles/88700163201.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/552d36826eb26b7ce433a23164be6557/tugunojapadurazor.pdfIn PDF document text
- https://parklanehotel.asia/userfiles/file/84860654262.pdfIn PDF document text
- http://greenworx.eu/images/uploads/files/rugivirufop.pdfIn PDF document text
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0686980e1---gelukilaw.pdfIn PDF document text
- http://centralgiving.com/media/userfiles/file/xafosovixadiguvodipo.pdfIn PDF document text
- http://daedukgs.com/admin/fckeditor/data/file/20210601052339.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/ms231k8bl11eiu4fegai90ilfc/zujololopimidikidaba.pdfIn PDF document text
- https://wfbulgaria.com/uploads/wysiwyg/files/galufalupubolinim.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb4cd0d039---donasabosif.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebebbc65cc---81019280192.pdfIn PDF document text
- https://avela.md/userfiles/file/75563473019.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_off0000dc16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC16 | 11144 bytes |
SHA-256: e9c186a3385b9a94cd37dccfa6aa709eab9cdfe892d4f853b51daba3c3e2a215 |
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font_01_sfnt_off0000f5b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B1 | 18860 bytes |
SHA-256: d499efef631abea1ff43984a09e4c427ee50ed14638d38592611cc959d3816cb |
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font_02_sfnt_off000125b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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