MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs that point to compromised websites and disposable hosting, forming a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The document body, though heavily obfuscated, contains metadata suggesting it is a disguised question paper, a common lure for phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/3t5drabpns9vpndpcfmukvmah1/figewuxudotaze.pdf In PDF document text
- http://caratow.eu/userfiles/file/61465216508.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/29162601299.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/5081129720.pdfIn PDF document text
- https://rkdestate.com/userfiles/file/39608936746.pdfIn PDF document text
- https://investmentskillsgroup.com/images/userfiles/file/56338060247.pdfIn PDF document text
- https://clove7.com/userfiles/file/45130622146.pdfIn PDF document text
- https://affordans.com/ckfinder/userfiles/files/gavezuvil.pdfIn PDF document text
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/4724c7198ff9a489698034a15b133564/28267231640.pdfIn PDF document text
- https://t2sc.me/userfiles/51964979790.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16080eb945897d---37028916490.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/26971790304.pdfIn PDF document text
- http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/83848864020.pdfIn PDF document text
- http://degrossier.nl/uploads/file/39118441587.pdfIn PDF document text
- http://giadinhlaurenso.org/upload/files/zerakupet.pdfIn PDF document text
- https://www.demetagras.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c35e3a1578---20326795007.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/u781l01pc92fm2394jccs9kqb7/ziwonulesamowurapazoxab.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/k00494vfr7tlshg19u2u3pa615/zubodoxibosijopawo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=army+tradesman+question+paper+2018+pdfPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d472.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD472 | 5892 bytes |
SHA-256: f07ec419b26529d414374f64eafd662504fa09bafd0977c568c0769a007d07e9 |
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font_01_sfnt_off0000e878.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE878 | 10904 bytes |
SHA-256: 7ac248773c8b292cc2f6ba42a4515a7024cf2f18d7fad658e14f15eb8f4dd761 |
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font_02_sfnt_off00010dcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DCD | 5132 bytes |
SHA-256: 3c5c9d9e78d881ff58b7054e00fb40cc6529073b353b6a644afcb3c378533de0 |
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