MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many of which are hosted on disposable domains or appear to be part of a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution. The heuristic 'PDF_RANDOM_URL_LINK' specifically points to a suspicious URL, suggesting the document's primary purpose is to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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 http://bctlorraine.org/userfiles/file/lefiwuv.pdf In PDF document text
- http://www.jokilaaksonratsastajat.fi/file/61625564700.pdfIn PDF document text
- https://mysilo.com/upload/ckfinder/files/basot.pdfIn PDF document text
- https://www.highlandernepal.com/assets/ckfinder/userfiles/files/wenujula.pdfIn PDF document text
- http://seednseed.com/admin/fckfiles/file/losojarilexodoteta.pdfIn PDF document text
- http://egitara.com/upfiles/files/vutekesusonusoloxupazapon.pdfIn PDF document text
- http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/ronoreruraxeket.pdfIn PDF document text
- https://pkmoscow.ru/ckfinder/userfiles/files/wigedale.pdfIn PDF document text
- http://chothuexeninhbinh.net/data/dulieu/files/30443163872.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16136f9e43fb32---68506270615.pdfIn PDF document text
- https://tommytest.dish1314.com/data/html_editor/files/ludajizolenogo.pdfIn PDF document text
- http://chi-kara.net/Upload/files/xexigojezemirafesisuvewag.pdfIn PDF document text
- http://studiopetrilli.it/userfiles/files/majefow.pdfIn PDF document text
- http://biosite.ru/images/news/file/62774057802.pdfIn PDF document text
- https://www.retake.dk/ckfinder/userfiles/files/62920666662.pdfIn PDF document text
- http://alhambra.kopanramen.com/uploads/files/7549324726.pdfIn PDF document text
- https://cqc-material.com/app/webroot/userfiles/files/69709195683.pdfIn PDF document text
- https://krygina40.ru/UserFiles/File/4186642542.pdfIn PDF document text
- https://pmsp-me.com/userfiles/files/tefapuvowozoxipodusa.pdfIn PDF document text
- http://tichdiem.surecare.vn/uploads/userfiles/file/tidubitogasejomagakumij.pdfIn PDF document text
- http://www.bargiel.com.pl/ckfinder/userfiles/files/74397771937.pdfIn PDF document text
- http://ecogestval.com/userfiles/file/44373838911.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f405f4c9bc---67559749730.pdfIn PDF document text
- http://1544-7419.net/upload/fckeditor/file/34228419525.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+enable+mock+location+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_off0000afb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFB8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c7cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7CF | 10672 bytes |
SHA-256: d65a88f5f292d8c1d490b88e47165ae18d5bd73e00f68bc10e72bafd17065cae |
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font_02_sfnt_off0000e035.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE035 | 18204 bytes |
SHA-256: 1a1a688818cd871696f0db2722ef1baa9c71c5e0b08fb31f3d21569b0b9985ba |
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