MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external URLs, many hosted on disposable domains or compromised CMS sites, suggesting a link farm or phishing lure. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://crewmak.ru/uplcv?utm_term=top+10+ultra+graphics+games+for+android PDF link annotation
- https://investincarpathians.eu/app/webroot/media/files/jumobovijozuli.pdfIn PDF document text
- https://ap-qatar.com/userfiles/files/51349741454.pdfIn PDF document text
- http://friend5190.xyz/js/ckfinder/userfiles/files/8258502587.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/202522b9d24e7c8cd851cb79344ddc9a/78054048571.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1614731261f115---39208370076.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/fepubebixegujuwekomofura.pdfIn PDF document text
- https://termofriz.rs/files/senonumodokuwoxegibizuk.pdfIn PDF document text
- https://speakingparrot.com/upload/ckfinder/files/57658678351.pdfIn PDF document text
- http://sun-green.de/ckfinder/userfiles/files/85063681197.pdfIn PDF document text
- https://rovetco.com/userfiles/file/nukopav.pdfIn PDF document text
- https://profix.fr/ckfinder/userfiles/files/medobilodexazakan.pdfIn PDF document text
- https://dortmundpools.com/contents/files/34371285497.pdfIn PDF document text
- http://hatowo.com/app/webroot/uploads/files/36068372145.pdfIn PDF document text
- http://quaisetoiles.fr/img_pages/file/mabaviratami.pdfIn PDF document text
- http://umrllc.com/userfiles/files/78887376567.pdfIn PDF document text
- https://anakaygame.net/calisma2/files/uploads/22360920017.pdfIn PDF document text
- http://itemclinicchina.com/ckupload/files/zemipasofal.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/xabesirajowoxeb.pdfIn PDF document text
- https://360clothing.in/home/www360cl/public_html/uploads/images/files/42181130088.pdfIn PDF document text
- http://www.anapharmata.hu/ckfinder/core/connector/php/files/34423520655.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/161331d88b89c7---4358927288.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_off0000ad04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD04 | 16344 bytes |
SHA-256: e68992f54eb7a80689ca6284ee5209eb0f17e6e6daf00d4aeb117e278ff88323 |
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font_01_sfnt_off0000d65c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD65C | 11304 bytes |
SHA-256: c758b1638e930138d69a615f32d827b173643bd00522e713a6044bdcd7371577 |
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font_02_sfnt_off0000f093.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF093 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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