MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, and it contains embedded JavaScript. The PDF also functions as a link farm, directing users to numerous unknown URLs, likely for phishing or malware distribution. The embedded JavaScript is the primary mechanism for executing malicious actions within the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae85301384---luwebavuzalezaberese.pdf In PDF document text
- https://aletihad-group.com/userfiles/files/xegupatigimokox.pdfIn PDF document text
- http://aokunoil.com/ckfinder/userfiles/files/gutuwafebunivigitivawaba.pdfIn PDF document text
- http://kurskodkb.ru/page_edit/_samples/userfiles/files/jolunarupawiva.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/161336c218ba99---ruxizenawizewipozimukaf.pdfIn PDF document text
- https://baobiachau.com/luutru/files/49631533601.pdfIn PDF document text
- http://straps.by/ckfinder/userfiles/files/jokaromupefonemiso.pdfIn PDF document text
- http://kindergartenhelden.at/upload/file/49930530425.pdfIn PDF document text
- https://nenmongdangquang.com/upload/files/fadixowexepen.pdfIn PDF document text
- http://teleserviciomalaga.com/ckfinder/userfiles/files/bagaxuxowuxegel.pdfIn PDF document text
- http://kingbikeonline.com/images/upload/File/71470449670.pdfIn PDF document text
- https://2acontractor.it/images/file/20632441524.pdfIn PDF document text
- http://duz-drustvo.si/uporabnik/file/98535589283.pdfIn PDF document text
- https://batikatravels.com/userfiles/file/4448455037.pdfIn PDF document text
- http://poltinka.ru/userfiles/file/pafemolajokux.pdfIn PDF document text
- http://p-itos.net/admin/userfile/image/file/88201430164.pdfIn PDF document text
- http://feuerwehrobrigheim.de/upload/files/98627908659.pdfIn PDF document text
- http://barcelonasixtytwo.com/userfiles/file/pabosojibemitugeguz.pdfIn PDF document text
- https://santa.sg/images/users/00000000/files/64474774318.pdfIn PDF document text
- http://mansiya.com/uploadfile/files/nodomoduvadijafasepi.pdfIn PDF document text
- http://www.detskaoptika.cz/ckfinder/userfiles/files/66431992728.pdfIn PDF document text
- http://geometrarontani.it/userfiles/files/toxojumanip.pdfIn PDF document text
- http://tanabuauto.com/js/upload/files/98357753391.pdfIn PDF document text
- http://cocoon-source-harmonie.fr/public/file/morufefedokinaxuzisexodaj.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=uc+black+apkPDF 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_off0000b29a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB29A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cab0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAB0 | 9792 bytes |
SHA-256: 65c89041c32be8eef30444a5fee8bbc185a3fc6e5e9206a1da735b7408ea4e72 |
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font_02_sfnt_off0000e001.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE001 | 15200 bytes |
SHA-256: 3b914692f876025c8c2d378a9405de5654076690e2946969af66d106056e9ef8 |
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