MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised WordPress sites, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or malware distribution intent. No scripts were extracted, but the heuristic firings clearly indicate the document's purpose is to leverage external links for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://chcial.ru/uplcv?utm_term=the+black+falcon+movie PDF link annotation
- http://msiutilities.biz/documents/guzegawakesavuvo.pdfIn PDF document text
- http://jyotiacademicpress.org/uploads/file/vumokefebadun.pdfIn PDF document text
- http://ksiclub.org/projects/achievemore/admin/upload/fckImages/file/sitipizevaredez.pdfIn PDF document text
- http://jjc-dev.com/userfiles/file/folozuzinoxugapurasaxiwim.pdfIn PDF document text
- https://ever-progress.com/upload/files/56245761269.pdfIn PDF document text
- http://polaryachts.com/res/wysiwyg/file/vusefojalamiwilavalalex.pdfIn PDF document text
- http://metisentry.net/ckfinder/userfiles/files/zuxeduzovapewalumojotem.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/5mbun5jmm5373mpjv6654vc2eh/67330916950.pdfIn PDF document text
- http://hongdacable.com/d/files/widozixitugi.pdfIn PDF document text
- http://alfavit.tv/userfiles/file/setamarawawimus.pdfIn PDF document text
- http://iwilldoit.ru/uploads/files/files/13496098777.pdfIn PDF document text
- http://akwarella.pl/user_uploads/file/jokido.pdfIn PDF document text
- http://cochemical.com/upload/files/65552822404.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161337b8e8ef2c---ximud.pdfIn PDF document text
- http://projecthouse.bg/uploads/CKfinder/files/81840394863.pdfIn PDF document text
- http://topmebli.com/content/xuploadimages/file/kipotowadopaxu.pdfIn PDF document text
- http://coquicart.com/ckeditor/ckfinder/core/connector/php/uploads/files/zovimegoj.pdfIn PDF document text
- http://schokoladenfontaene.de/idata/47379516221.pdfIn PDF document text
- http://altus.pl/userfiles/file/semevagimube.pdfIn PDF document text
- http://satthachkhe.vn/image/file/48319697061.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/32982070753.pdfIn PDF document text
- https://vnsteeldetailing.com/UserFiles/files/vidoxedutitisofo.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139c7f86cccb---2176845093.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_off0000e9ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010216.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10216 | 10496 bytes |
SHA-256: c55275cc19d15301f557cb900036e9f763ae9ebbdeb224981a809a3a4f53e56d |
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font_02_sfnt_off000119c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119C2 | 18172 bytes |
SHA-256: cc8ce1a03d8ac3cb9ad2f266958e361ee718b6c6f4edcbdf56b0f6d7f0f20a20 |
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