MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and numerous external links, some pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution attempt. The presence of embedded JavaScript indicates an attempt to execute code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://pantanalmsnews.com.br/ckfinder/userfiles/files/vizulisirixepiwavewir.pdf In PDF document text
- https://apaman.ti-am.jp/js/ckfinder/userfiles/files/zefajitiwepasagetefepe.pdfIn PDF document text
- http://thietbimaugiao.vn/Images_upload/files/8822762297.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130d11a0dd8a---luvirotereludegilebuw.pdfIn PDF document text
- https://worldpigment.com/image/upload/File/dalasabatowasetulok.pdfIn PDF document text
- http://perseverance.cyou/updatefiles/file/8798881771.pdfIn PDF document text
- http://crestviewshopping.abwingsmd.com/uploads/files/luravava.pdfIn PDF document text
- http://xedaptap.net/userfiles/file/fevomewodoxunifad.pdfIn PDF document text
- http://imaginove.eu/data/Files/lejisepizexopewaz.pdfIn PDF document text
- https://preprodpcb.com/userfiles/files/nutut.pdfIn PDF document text
- http://reanda.com/jingkelun/userfiles/files/20210906210317.pdfIn PDF document text
- http://sovaimm.it/userfiles/files/zalav.pdfIn PDF document text
- http://321eastern-thailand.com/userfiles/files/54294523306.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/efd8acc4d5ef0aace9da417f209106cd/gomedifaxipevobiderosip.pdfIn PDF document text
- http://hastensandbreakfast.nl/userfiles/file/xejadenozakokopigud.pdfIn PDF document text
- https://virtualpulse.eu/UserFiles/file/katogudonetoxigaz.pdfIn PDF document text
- http://www.serenissimaservizi.com/files/1608898505.pdfIn PDF document text
- https://cometsecurity.in/admin/userfiles/file/1393089146.pdfIn PDF document text
- http://meskerjager.nl/media/files/48122312520.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e288a9cf32---kogejesesuke.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9fed49cfe---buzaruxowejosavuzitofi.pdfIn PDF document text
- http://dakmoto.cz/obrazky/file/xagukezazufufoded.pdfIn PDF document text
- https://dormet.eu/web/uploads/files/simezoxojajur.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=unblock+me+premium+apkPDF 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_off0000b161.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB161 | 18632 bytes |
SHA-256: c18fd6ceb0dcb4e17a8f7785665afcefbc83fc9b85ab1f3d5f9285a8be5b612a |
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font_01_sfnt_off0000e1ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1AD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f9c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9C4 | 10608 bytes |
SHA-256: e1e3f94ff2962810addf84bb22063ac2cd953c066491de4cd75c8c2da9e94a8a |
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