MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. It contains numerous external links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm used for phishing or malware distribution. The document body is heavily obfuscated and unreadable, but the presence of external links and the overall detection profile strongly indicate a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://jeykrishnaclub.com/images/file/67885491254.pdf In PDF document text
- http://elateridae.com/images/FCKeditor/file/69038117177.pdfIn PDF document text
- http://mxag.com/upload/browse/file/45310347993.pdfIn PDF document text
- https://alves.bg/ckfinder/userfiles/files/8230879256.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/gixemoj.pdfIn PDF document text
- https://ontech.vn/images/ckeditor/files/sejavinunugixepabek.pdfIn PDF document text
- https://thietbixanh.net/uploads/files/batidajonolorewovebun.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/d9ab7ea64700ba27644aad707fc35307/96326163208.pdfIn PDF document text
- http://phrabat.net/UserFiles/File/gukurujaja.pdfIn PDF document text
- http://thaimassagemodel.com/ckfinder/userfiles/files/30372724422.pdfIn PDF document text
- https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/b112ec48776e08098f5a7c8532cec544.pdfIn PDF document text
- https://kapefashion.com/files/files/46938580262.pdfIn PDF document text
- https://igruppe.no/ckfinder/userfiles/files/80898959846.pdfIn PDF document text
- http://retailcop.ca/files/1873590153.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/35387f43a4c1c73cd1125613b8cd6bdb/50989151543.pdfIn PDF document text
- http://cck-brno.cz/ckfinder/userfiles/files/juzulesutuzudarimojibu.pdfIn PDF document text
- https://polresseluma.com/assets/ckfinder/core/connector/php/uploads/files/14372473742.pdfIn PDF document text
- http://printrun.nl/userfiles/files/6680654560.pdfIn PDF document text
- http://medicamarsala.it/userfiles/files/14777704577.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133c3a925121---juloraral.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/d4a29af2d6e89a74a09f7aaa99a390aa/sezasowowomewet.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/c88f254b401c8067160c35f04bb45794/58013415135.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=shakti+serial+160+episodePDF link annotation
- 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_off00010ad1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AD1 | 19596 bytes |
SHA-256: fc57de7aa8fb904e63fdc2bd0937c61c0feea817229857e718c6bd24f2e8a3bc |
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font_01_sfnt_off00013e38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E38 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001564f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1564F | 10896 bytes |
SHA-256: 65936e84dfdea89fb229d9ea7fbfc71a8a67ace5c75cc8a4345d03ab5ceb93c5 |
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