MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF file that contains embedded JavaScript, indicating an attempt to exploit vulnerabilities or execute malicious code. The presence of numerous URLs, many hosted on compromised WordPress sites, suggests a link farm or phishing lure designed to redirect users to malicious content or download further malware. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. 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://medvor.ru/uplcv?utm_term=how+do+you+make+a+live+wallpaper+on+tiktok PDF link annotation
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1612f41bc1c586---wuvexug.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142c843a26d5---73742709817.pdfIn PDF document text
- http://pfmconsulting.org/survey/userfiles/files/banuxisafezedabewezafa.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614ac9e4cdaaa---82333620611.pdfIn PDF document text
- https://elperrocallejero.info/ckfinder/files/pukotukokorebakukomeve.pdfIn PDF document text
- http://nanopena.cz/upload/file/roxisaw.pdfIn PDF document text
- http://solee56.com/ckfinder/userfiles/files/duligimominuxujakonebuf.pdfIn PDF document text
- https://behbehaniprojects.com/uploads/files/subolubivo.pdfIn PDF document text
- https://telewebmarketing.com/FCKeditor/file/wifuvafanuvafik.pdfIn PDF document text
- http://fundacjaproartis.pl/javascript/ckfinder/userfiles/files/51086920842.pdfIn PDF document text
- http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/40197137574.pdfIn PDF document text
- http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/56703727965.pdfIn PDF document text
- http://ip-golubev.ru/ckfinder/userfiles/files/wulusepetemiro.pdfIn PDF document text
- https://mantyobras.com/userfiles/file/58470621546.pdfIn PDF document text
- http://etalentlink.com/uploadfile/file///2021091603232676.pdfIn PDF document text
- http://gniortho.com/files/Upload/file/niwenutogujexoruxit.pdfIn PDF document text
- http://matsusushionline.com/uploads/files/61305563397.pdfIn PDF document text
- https://dcmheavyequipment.com/admin/images/file/giruwaxogixafat.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161311e8bd6ea4---52555352778.pdfIn PDF document text
- http://music-saikung.com/ckfinder/userfiles/files/68878743411.pdfIn PDF document text
- http://zamdq.com/filespath/files/20210904012700.pdfIn PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/vizalesig.pdfIn PDF document text
- https://sharedsynergy.com/userfiles/file/53666285494.pdfIn PDF document text
- http://wonsakai.com/uploads/files/fijobigowafikuv.pdfIn PDF document text
- https://alcc.c-zentrix.com/ALCC/mail_attachments/multitenant-ws-01/1/1631805443.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_off0000c757.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC757 | 16956 bytes |
SHA-256: f794ddbcad246b6051e9748e81f17c8e553a6023dd36e8bf7e434f40f43f81df |
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font_01_sfnt_off0000f328.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF328 | 10832 bytes |
SHA-256: 128dc0ef8c2fcfefda650106668918cb859e11a1e4ec8c7410fce4b4c733c3b6 |
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font_02_sfnt_off00010c1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C1B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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