MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as a link farm and a potential phishing or malware distribution vector. The presence of numerous external URLs, many hosted on compromised or disposable domains, strongly suggests a malicious intent to redirect users. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with techniques used to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://nomylo.ru/uplcv?utm_term=shoora+vpn+apk+download+for+pc PDF link annotation
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/372195b48d75626a3610fb8a08a7c5c2/11766591819.pdfIn PDF document text
- http://heatherjansch.com/ckfinder/userfiles/files/bukevunebumakabi.pdfIn PDF document text
- http://kolaykanal.com/userfiles/files/tetajadiriketajili.pdfIn PDF document text
- https://agrimal.pl/userfiles/file/96702205796.pdfIn PDF document text
- http://gidromall.ru/img/uploads/file/95711719218.pdfIn PDF document text
- http://grafiport.com/userfiles/file/sizunozafupulorikasov.pdfIn PDF document text
- http://we2meeting.com/ckfinder/userfiles/publics/files/rogafu.pdfIn PDF document text
- http://webinaris.biz/ckfinder/userfiles/publics/files/55772760440.pdfIn PDF document text
- http://www.singchai.co.th/ckfinder/userfiles/files/nabogitevinutegenisi.pdfIn PDF document text
- http://nsk-nalogov.net/upload/files/71946163631.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/63f2ffe5d0dc454c6eefb034f8e49c72/vitexubixipelejuxuki.pdfIn PDF document text
- http://paulabenveniste.com/UserFiles/file/62120428540.pdfIn PDF document text
- https://elemental-ia.com/userfiles/file/difitamasuxenopi.pdfIn PDF document text
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210919045228.pdfIn PDF document text
- http://union-montage.pl/userfiles/file/risokiba.pdfIn PDF document text
- https://bursakaynak.com/userfiles/file/34817486493.pdfIn PDF document text
- http://haozuowenwang.com/imagefiles/file/timefugaxiwutaxagu.pdfIn PDF document text
- http://stonebreaker.at/10166495630.pdfIn PDF document text
- http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/404362361.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f438965e9a---52989702565.pdfIn PDF document text
- http://libertyquad72.fr/userfiles/file/lativuxekukupusafufepuke.pdfIn PDF document text
- http://sushibelovo.ru/files/lexuwosuwopisepomot.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_off0000b8d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8D4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d0e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0E6 | 16708 bytes |
SHA-256: 771a74c417da8f8f4f20cba105303780b4ba988e013367f55f4b76591226fd82 |
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font_02_sfnt_off0000fca7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCA7 | 10548 bytes |
SHA-256: 95323f23cded95bb0cc034889ed4c002b8259bb3ea6b0b7a66a99120dccd776c |
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