MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on disposable domains or compromised CMS uploads, indicating a link farm designed to redirect users to malicious content. The presence of 'utm_term' parameters suggests an attempt at tracking or SEO manipulation. ClamAV detection and ML classification confirm the malicious nature, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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=roblox+mod+apk+wallhack PDF link annotation
- http://firegallery.ru/img/upload/97491974457.pdfIn PDF document text
- https://sharks-cz.cz/images/file/lavikugibizosu.pdfIn PDF document text
- http://saltokisport.com/uploads/files/77004286772.pdfIn PDF document text
- http://shiokuda1.com/contents/files/57974081617.pdfIn PDF document text
- http://nkmate.com/FileData/ckfinder/files/20210925_F2379EEE07C04844.pdfIn PDF document text
- http://yule-sign.com/upload/editor/file/20210913234637.pdfIn PDF document text
- http://zl369.net/userfiles/file/72433600393.pdfIn PDF document text
- https://olterus.org/contents/files/10311578140.pdfIn PDF document text
- https://zhavezbozi.cz/data/file/kuwewo.pdfIn PDF document text
- http://profiklub.sanswiss.cz/files/file/dokuzalavalofemajalajavi.pdfIn PDF document text
- http://vibrobreaker.com/files/files/judala.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16139cab2de366---37033998006.pdfIn PDF document text
- https://www.truckersplantparts.co.uk/ckfinder/userfiles/files/bovowimikanodanatofe.pdfIn PDF document text
- http://wksystems.net/HotelEstimator/userfiles/file/gudifizezuweponitaneg.pdfIn PDF document text
- http://hitecds.com/userfiles/file/69233423501.pdfIn PDF document text
- http://baltic-rt.ru/ckfinder/userfiles/files/67818380793.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614e44a9d9c75---48737342623.pdfIn PDF document text
- http://augustaelectricalwork.com/editorData/file/40895769069.pdfIn PDF document text
- http://malerbetrieb-malanders.de/Webseite/pics/fotos/1/file/jujegosoretuz.pdfIn PDF document text
- http://www.childofafrica.org/media/userfiles/file/40625047453.pdfIn PDF document text
- https://facades-et-traditions.com/actualites/file/59828399725.pdfIn PDF document text
- http://zjgyuanhong.com/v15/Upload/file/202197225134420.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16145e72d050b7---fomewulidokerodokaranopal.pdfIn PDF document text
- http://hoya889.com/upfile/files/20210925182709.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_off0000af94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF94 | 16444 bytes |
SHA-256: b8c50ebb6aa4eba9754374f72d2768901cd78d78bddc6419af3e32c78dee146c |
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font_01_sfnt_off0000d92b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD92B | 10548 bytes |
SHA-256: c800d82fda25cc4381b557fb8e0d5fc822855da19e16cf89bdba95874f1332bf |
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font_02_sfnt_off0000f10d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF10D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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