MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within a PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://santchavarabed.in/ckfinder/userfiles/files/22754267493.pdf In PDF document text
- http://pantryscan.com/123cars/imagefck/file/55206536627.pdfIn PDF document text
- http://nagakuratrading.com/js/upload/files/fizogakikuwuki.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/161391663396e6---24158856144.pdfIn PDF document text
- http://thegioixedap.net/upload/files/38805215714.pdfIn PDF document text
- https://watertorens.nl/userfiles/file/vizefaduxegopagaw.pdfIn PDF document text
- http://anninh247.info/upload/files/8930844750.pdfIn PDF document text
- http://pp-aqua.com/userfiles/files/wisoturilupumanopoxak.pdfIn PDF document text
- http://maschimaurizio.it/userfiles/files/kuxepelapodasetatarore.pdfIn PDF document text
- https://stonebuild.bg/f/uploads/files/lojabim.pdfIn PDF document text
- http://cesnek-vysocina.cz/UserFiles/File/bisegexorepavefoxukiwopoz.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139e67955506---ziwisuma.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b8618ad84a---jatugovapibizisonewu.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/1u6i71k4fu0nprp8n4rltas4pn/4884295570.pdfIn PDF document text
- http://csa.china-led.net/static/editor/ckeditor/ckfinder/upfile/files/lijesejurukizozew.pdfIn PDF document text
- http://wellnesszeewolde.nl/site/data/ws/files/pabuxafob.pdfIn PDF document text
- https://nilsahost.com/calisma2/files/uploads/29893005817.pdfIn PDF document text
- http://vitalbafitnessclub.eu/userfiles/files/63759702959.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b947999bed---17188155210.pdfIn PDF document text
- http://www.injamal.es/nueva/ckfinder/userfiles/files/wawabinazosisi.pdfIn PDF document text
- http://domusanna.it/userfiles/files/jezasufujewofarujola.pdfIn PDF document text
- http://makrostal.pl/user_images/file/75125889481.pdfIn PDF document text
- https://hw-power.com/uploads/ckfiles/files/613c9e92d1c2f.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=proxy+vpn+apk+modPDF 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_off0000d5a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5A3 | 21328 bytes |
SHA-256: e21931a87459b14d61ec15d44f6d4f75645665dfb2f18bc7feac46d3a13d959e |
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font_01_sfnt_off00010e14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E14 | 10392 bytes |
SHA-256: f3c0b0eadfde7bc1abe10b60c1d20fd0af8b168e09354652a0a29ab2487adc6b |
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font_02_sfnt_off00012590.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12590 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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