MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs that point to various domains, many of which appear to be part of a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of URLs with 'utm_term' parameters suggest a phishing or scamming attempt. The ClamAV detection and ML classifier further confirm its malicious nature, likely as a phishing document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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://ketchas.ru/uplcv?utm_term=download+the+latest+version+of+facebook+for+android PDF link annotation
- http://delannahotel.com/user_img/file/dowikekikotezodejozapoju.pdfIn PDF document text
- http://www.sauminandy.com/fckimages/file/mibereperokezekojo.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135610119811.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161300943e1f8e---mefafeperadubivasom.pdfIn PDF document text
- https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/80653095873.pdfIn PDF document text
- http://ji-tien.com/userfiles/file/68461520833.pdfIn PDF document text
- http://tipsclubcr.com/campannas/file/74602603795.pdfIn PDF document text
- https://resulgame.com/calisma2/files/uploads/gedalimazomufafokudo.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bfafa5125---22191395027.pdfIn PDF document text
- http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/nisudoxamovavojarado.pdfIn PDF document text
- http://kiddeefire.com/media/userfiles/files/36102149809.pdfIn PDF document text
- http://sentezetutmerkezi.com/upload/ckfinder/files/44688666492.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/5ei08ia6lttqime1i1ror9akbl/5456643083.pdfIn PDF document text
- https://koparieshorvathbusz.hu/files/file/kujituvuveta.pdfIn PDF document text
- http://www.hzkontejnery.cz/ckfinder/userfiles/files/46380380586.pdfIn PDF document text
- http://shopcode.ru/uploads/file/pofigoror.pdfIn PDF document text
- https://fengshan-zhennangong.org/upload/ckfinder/files/bawupi.pdfIn PDF document text
- http://yao-cheng.com/uploadfiles/20210917175012.pdfIn PDF document text
- http://skybuildinfraprojects.com/uploads/butuvux.pdfIn PDF document text
- http://vinaaquachem.com/uploads/files/72283050972.pdfIn PDF document text
- https://coil.hk/upload/files/54872698031.pdfIn PDF document text
- http://www.hydro-tg.pro/upload/file/58822125096.pdfIn PDF document text
- https://rwd.webseo.tw/upload/files/58129190359.pdfIn PDF document text
- https://drivetripper.com/userfiles2020/files/21162666057.pdfIn PDF document text
- http://yao-cheng.com/uploadfiles/20210910023052.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_off0000b128.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB128 | 14732 bytes |
SHA-256: 1a6cbbe6d37213a9539b226915218c0a616f5198b3a3d4c111d57b7fb6c8b8be |
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font_01_sfnt_off0000d5c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5C7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000edde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDDE | 10960 bytes |
SHA-256: 319ddd2a008c2d42a9b07c4ba1df5aa4e4463c65caaac7290f614046bfe77eca |
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