MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high probability of malicious intent. It contains numerous embedded URLs, many of which point to unknown domains, suggesting it functions as a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically identifies this pattern, indicating the PDF is designed to distribute traffic to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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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://chiuman-hk.com/images/file/99411304478.pdf In PDF document text
- http://hsaltsj.com/uploads/files/56038617782.pdfIn PDF document text
- https://lose-weight.tw/upload/files/vivex.pdfIn PDF document text
- http://33podarka.ru/pictures/files/mamebiwakezozijibenowok.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/547652556ceb81b4504ceffe0fba3dfb/sobifevukoka.pdfIn PDF document text
- http://benetworkingpro.com/ckfinder/userfiles/files/pojozitolofadoju.pdfIn PDF document text
- http://ph-easycome.com/userfiles/file/kobovamevulaguna.pdfIn PDF document text
- http://praxis-greve-polley.de/web/editor/files/sodoju.pdfIn PDF document text
- http://studioego.cz/userfiles/file/59946718392.pdfIn PDF document text
- http://marinapogon.pl/upload/file/gowepun.pdfIn PDF document text
- http://tubemakingmachine.com/uploadfile/files/vuwax.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1614f4fa5885cb---86491663951.pdfIn PDF document text
- http://gruppocinofilomarsalese.com/userfiles/files/9372206464.pdfIn PDF document text
- http://pastadimatteo.com/ckfinder/userfiles/files/lopofixufodonudomixumuw.pdfIn PDF document text
- http://webinaris.training/ckfinder/userfiles/publics/files/jurijazumunodaxawuzevopiv.pdfIn PDF document text
- https://hophamthaibinh.com/upload/files/zutenisumemosevo.pdfIn PDF document text
- http://alconsprom.ru/ckfinder/userfiles/files/11566508668.pdfIn PDF document text
- http://lammensfilip.be/uploads/files/71258774111.pdfIn PDF document text
- https://albertscience.com/ckfinder/userfiles/files/80205739237.pdfIn PDF document text
- http://gdgom.com/upload/file/210907075145551949kwnghtxwij9j.pdfIn PDF document text
- http://ordineveterinarivenezia.eu/userfiles/files/19137712074.pdfIn PDF document text
- https://tumujerrusa.com/userfiles/52326430051.pdfIn PDF document text
- http://gdgom.com/upload/file/2109200949105196315s81soth9eol.pdfIn PDF document text
- http://ingegneriarossi.it/userfiles/files/xolufokigesajajijudisixob.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/HKUGBsJGI0E/uplcv?utm_term=volume+of+a+cylinder+videoPDF 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_off0000b3ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3EE | 15636 bytes |
SHA-256: e917b5dfdea5b9205f3db2401e7a0a2858bc4018f52f8609b29af192826bd5fa |
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font_01_sfnt_off0000db86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB86 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f39d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF39D | 10620 bytes |
SHA-256: 97fad8b54c0c2cb4c13fccf3cf6c3eeeca8678a9daf6fdc00bb66604b8c33032 |
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