MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://oniceh.ru/uplcv?utm_term=torrentvilla+lite+mod+apk PDF link annotation
- http://magendans.com/imagefiles/file/ziniwaxubewus.pdfIn PDF document text
- https://envida-nieuws.nl/bsb_website/upload_fck/file/watokawuni.pdfIn PDF document text
- https://interconformity.ro/images/file/63859763805.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021091214452083.pdfIn PDF document text
- http://agriturismocorteerbatici.it/userfiles/files/69300568760.pdfIn PDF document text
- http://twfindia.in/userfiles/files/gigurirawaxubaserixinuvit.pdfIn PDF document text
- http://aqcorth.specialty-match.com/upload/files/moxoled.pdfIn PDF document text
- http://electronicaindex.nl/images/uploads/fufuwasoxagoruwudi.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613c22b46bdf6---bakoloduj.pdfIn PDF document text
- http://docando.es/js/ckfinder/userfiles/files/zununiniveme.pdfIn PDF document text
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/365ijck9ht99rf1dm55fc51uik/42591259585.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/161450306ab5fc---94040739407.pdfIn PDF document text
- http://www.farmaciabergua.com/userfiles/files/gararinawufelewewuki.pdfIn PDF document text
- http://zhfangyuan.com/uploadfiles/files/zetisuruga.pdfIn PDF document text
- https://aldapa.eus/files/galeria/files/juvukuva.pdfIn PDF document text
- http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/54427494722.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/738772908cf14ceb5bb032bb42f9e62c/zijisegotada.pdfIn PDF document text
- http://happyland-nsk.net/ckfinder/userfiles/files/wutobazazujitobubage.pdfIn PDF document text
- https://www.aledrukujemy.pl/ckfinder/userfiles/files/bokosotifoxi.pdfIn PDF document text
- http://marinaxaraes.com.br/ckfinder/userfiles/files/97339294829.pdfIn PDF document text
- http://mevlanaasm.com/resimler/files/forebisuba.pdfIn PDF document text
- http://magooferta.pl/uploads/fck/file/43542071604.pdfIn PDF document text
- https://vpmemorial.net/images/file/faluzexitofesapele.pdfIn PDF document text
- http://satakantaresort.com/user_img/files/74570523011.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_off0000d59e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD59E | 10508 bytes |
SHA-256: 9863d3805055ca3d63a31e04193933d3a13032c8d6d0e28c42b0180707b89bb0 |
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font_01_sfnt_off0000ed7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED7B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001058d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1058D | 17532 bytes |
SHA-256: c0bae627e5e0f0e9389e2d3b9abbbc753f55f1cf2a5452f8bcd809213b7e6fb8 |
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