MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains or compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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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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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 https://27061010.com/uploads/files/202109242345351589.pdf In PDF document text
- http://benedictinoselrosal.org/ckfinder/userfiles/files/54312984215.pdfIn PDF document text
- https://afra24.com/basefile/afra24/files/damobulamusopagujatunugos.pdfIn PDF document text
- http://rivebistro.net/ckfinder/userfiles/files/dedanalobetefeler.pdfIn PDF document text
- http://simpelms.nl/userfiles/files/80585370587.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/agta3et67nhgo7tpthd8num3j0/kitonunafakivujujo.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148708908d2c---gorafinux.pdfIn PDF document text
- http://garage-ys.info/js/upload/files/89538500883.pdfIn PDF document text
- http://1day2night.com/UserFiles/file/59589431795.pdfIn PDF document text
- http://leprofit.ee/cmsfile/contentfiles/81638802555.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b348cf332d---gisisabituse.pdfIn PDF document text
- http://cosonhuath.com/hinhanh_fckeditor/file/mirag.pdfIn PDF document text
- http://intelekt.biz/uploads/pages/files/sumileromiwi.pdfIn PDF document text
- http://denda.co.kr/ckfinder/userfiles/files/24545264246.pdfIn PDF document text
- http://naturallabs.fr/userfiles/file/31201692066.pdfIn PDF document text
- http://cn-biyoute.com/d/files/35111376623.pdfIn PDF document text
- http://studiomalpocher.it/userfiles/files/32024807514.pdfIn PDF document text
- http://xn--b1amishc2fb.xn--p1ai/ckfinder/userfiles/files/42546729307.pdfIn PDF document text
- https://phoenixturkey.com/upload/ckfinder/files/58932253367.pdfIn PDF document text
- https://ags-car.60km.com/upload/files/vopuwuzixifuzezifiv.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=graphic+novel+pdf+downloadPDF 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_off0000aba6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABA6 | 16480 bytes |
SHA-256: db1e307778255684903bc9ffcc13dffeff0d17ca3aad274de0ddce7b187f6ce5 |
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font_01_sfnt_off0000d5d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5D7 | 10640 bytes |
SHA-256: 809470cca4f8b37ea8f1bbb2188378b082791d8a58726145a547584383e5db3a |
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font_02_sfnt_off0000ee28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE28 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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