MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external links, many of which point to potentially compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm on disposable hosting, and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' suggests links to compromised WordPress upload storage. The embedded JavaScript likely facilitates the redirection to these malicious URLs, which are used to distribute further payloads or conduct phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://xn----ftbkdcamitb5h.xn--p1acf/files/fck/file/kawufemorepikabudeku.pdf In PDF document text
- https://belretail.by/ckfinder/userfiles/files/85760782520.pdfIn PDF document text
- http://classiccar-jp.com/js/upload/files/pudawukidojilix.pdfIn PDF document text
- https://blueparadise.pl/userfiles/file/denug.pdfIn PDF document text
- http://ciskmv.com/css/file/dasatepupumi.pdfIn PDF document text
- http://air-con.ru/upload/files/51886582299.pdfIn PDF document text
- http://altera.ukrstroyka.com/content/xuploadimages/file/fefewamuzenadeduzan.pdfIn PDF document text
- http://020tzs.com/baige/images/userfiles/file/sabosuloponewupex.pdfIn PDF document text
- http://xycrusher.com/d/files/xagatojupagedobatexigigi.pdfIn PDF document text
- https://rjpexport.com/files/94577394007.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe011c3323---9473032048.pdfIn PDF document text
- http://www.verneteco.com/ckfinder/userfiles/files/sojunewaveno.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9fa05ada9---37476593244.pdfIn PDF document text
- https://argumentua.com/i/file/71325490456.pdfIn PDF document text
- http://nuovartea.eu/userfiles/files/xezetumanapaponulodimewe.pdfIn PDF document text
- http://edeins.com/userfiles/file/3108075950.pdfIn PDF document text
- http://cerritos.songhakbbq.com/uploads/files/73446305018.pdfIn PDF document text
- http://ausafe.net/images/art/files/85522532281.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/5pc6j3lm2mnlc1o9500l0brvk4/tusevopererofoxorasovaj.pdfIn PDF document text
- https://chiuman-hk.com/images/file/73794294785.pdfIn PDF document text
- https://autoroman-service.ro/imagini_ws/30677651766.pdfIn PDF document text
- http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sigevejel.pdfIn PDF document text
- http://getvisa.ru/images/File/jukitubatilakovid.pdfIn PDF document text
- http://artechq8.com/beta/uploads/files/38343500691.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021091820204898.pdfIn PDF document text
- https://aordonez.com/images/contenidos/files/nozelisatamogex.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=facecam+app+for+androidPDF 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_off0000f403.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF403 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010c15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C15 | 17640 bytes |
SHA-256: c983e7374fffebd097d338b01d760ebe9612a22d69024e36a02234992f5e0a4b |
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font_02_sfnt_off00013a15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A15 | 10448 bytes |
SHA-256: c320f8011bf0273714b860846945eab2906200858257068f76e15e6268633495 |
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