MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous external links, many pointing to compromised websites or disposable hosting, suggesting a link farm or phishing lure. The document body, though heavily obfuscated, contains a title related to connecting a Bluetooth soundbar, which is likely a pretext to drive traffic to these malicious URLs. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://queure.ru/uplcv?utm_term=how+to+connect+onn+bluetooth+soundbar+to+phone PDF link annotation
- http://sklepjola.pl/userfiles/file/2887607086.pdfIn PDF document text
- http://bugaboo-buffalo.eu/UserFiles/File/57910710097.pdfIn PDF document text
- http://bsa.by/ckfinder/userfiles/files/28387607066.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/f6c5b7c22277271217d5dc7f2810abe1/fuwavexaragalizamal.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/08d04ba25d2cb2287d6679e94a6700d7/29814476852.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/46928602737.pdfIn PDF document text
- http://birzebbugastpetersfc.com/files/file/guvunukiwamimeradezor.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/4d93057189eb9ae0f94d6b8a1702576f/xovorazirobatajupama.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a931ccce6f---xewim.pdfIn PDF document text
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/58058016674.pdfIn PDF document text
- http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/37vpsp93mei69qk1546jpp42j6/femuzupotope.pdfIn PDF document text
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e85c0382c5---gonipuxizifavivusul.pdfIn PDF document text
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/guxewoxujebilanujukap.pdfIn PDF document text
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073bbf9e9edf---bipifebe.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a8c2e17be---81120143695.pdfIn PDF document text
- https://chpcentre.com/files/file/87516872521.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d729.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD729 | 5356 bytes |
SHA-256: 63e8736ad3119ac84e24c0dc79e500fa6e485e01ebd38fa0261a56b8f6c0574a |
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font_01_sfnt_off0000e95d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE95D | 10920 bytes |
SHA-256: a89e532877b562c7508e9b50b6b6995322d3adeff355689698bf4fbad3eb70f5 |
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