MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The presence of numerous external URIs, many pointing to disposable domains and forming a link farm, suggests a phishing or redirection attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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 http://yacpa.org/yacpafiles/file/97262524900.pdf In PDF document text
- http://restauraceeverest.cz/userfiles/file/33705824732.pdfIn PDF document text
- https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/litaxuleriluwa.pdfIn PDF document text
- http://gaishachuukobuhin.com/js/upload/files/befivujujag.pdfIn PDF document text
- https://luatsuavina.com/userfiles/file/ledopulatibipoxunine.pdfIn PDF document text
- https://tradegateindia.com/userfiles/file/wulapinonokegizaliwemunid.pdfIn PDF document text
- http://fkhd.cz/data/img/vulubuwulikuwiv.pdfIn PDF document text
- http://perevodvnegiloifond.ru/pict/file/94577705838.pdfIn PDF document text
- http://miyozenemeryville.com/uploads/files/4063298389.pdfIn PDF document text
- http://luligang.com/ckfinder/userfiles/files/6388632365.pdfIn PDF document text
- https://cytokin.ca/upload/editor/file/52486098883.pdfIn PDF document text
- http://eclickapps.in/userfiles/files/96210842237.pdfIn PDF document text
- http://spartapr.com/images/upload/file/50067327551.pdfIn PDF document text
- http://didopack.com/files/96425251185.pdfIn PDF document text
- https://magyar-logyogyasz.hu/fileok/file/gokatavuxuduf.pdfIn PDF document text
- https://contemporaryteas.in/admin/uploads/file/josomokotupudizewuv.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613df40084428---32616256835.pdfIn PDF document text
- http://gtlmarinefuel.com/userfiles/file/tagasekavumajirov.pdfIn PDF document text
- http://transcash.com/ci/userfiles/files/vorukifodadeno.pdfIn PDF document text
- https://mumegram.com/userfiles/file/zasomunezivejarobexaz.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/32690581383.pdfIn PDF document text
- http://www.azurwelcomeservices.com/userfiles/file/75759122830.pdfIn PDF document text
- https://demircanticaret.com/userfiles/file/80240372804.pdfIn PDF document text
- http://filipdegreef.be/uploads/files/gunenerozibedini.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=handwriting+note+for+androidPDF 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_off0000b206.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB206 | 15332 bytes |
SHA-256: b373f3c582ce1e3d0ab7b214d4ec531eb5118d5c06fef3b41b029ed759853505 |
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font_01_sfnt_off0000d91f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD91F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f136.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF136 | 10392 bytes |
SHA-256: 0f2296b5ea11d4233786c589f56d3aeb7fdf07d9c127d4ca46f33d8046b33a79 |
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