MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains a large number of embedded URLs, many of which point to disposable hosting or are structured as link farms, suggesting a phishing or malware distribution campaign. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating the document is designed to host numerous links on potentially untrusted domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 5
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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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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://krisoc.ru/uplcv?utm_term=what+are+the+4+types+of+economic+systems+and+explain+each+one PDF link annotation
- https://betsin.org/userfiles/files/mobumawosobavojafup.pdfIn PDF document text
- http://bjerkelunden.org/content/files/userfiles/file///fetovatuf.pdfIn PDF document text
- http://thevale.us/userimages/59049359448.pdfIn PDF document text
- http://tongchangkj.com/uploadfile/file///2021092014131372.pdfIn PDF document text
- http://zoscm.zohukum.com/ckfinder/userfiles/files/30292279383.pdfIn PDF document text
- https://bimetoor.com/basefile/bimetoorir/files/pagiloxeluborovo.pdfIn PDF document text
- http://schokoladenfontaene.de/idata/radonezov.pdfIn PDF document text
- https://gulf-rope.com/images/bulk_images/files/75024301112.pdfIn PDF document text
- https://bharatceramics.in/ckfinder/userfiles/files/rujunupifizinovimixozo.pdfIn PDF document text
- http://chaukitchen.com/uploads/files/78582402885.pdfIn PDF document text
- http://hanasushimenifee.com/uploads/files/mitaworekuref.pdfIn PDF document text
- https://lufty.cz/UserFiles/files/sumub.pdfIn PDF document text
- https://cs-nippon-cp.com/mailmagazine/upload/files/xokeja.pdfIn PDF document text
- http://bushurov.ru/images/files/ledazev.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1614dc9af101bc---detowegidodekukalatewiguv.pdfIn PDF document text
- http://centreforeffectivecoaching.com/media/file/1593061522.pdfIn PDF document text
- http://ieltsadd.ir/cache/fck_files/file/vorofubujideridokedek.pdfIn PDF document text
- http://www.coverseg.com/uploads/ckfinder/files/wuwilunizibigoxusuk.pdfIn PDF document text
- https://szabolcsipeter.com/userfiles/file/falikesexemubowafef.pdfIn PDF document text
- http://doubles301.jp/files/ckeditor/files/xidodotefax.pdfIn PDF document text
- https://profipreklady.cz/www/ckfinder/userfiles/files/viwajup.pdfIn PDF document text
- https://n-vv.dk/userfiles/file/34327636711.pdfIn PDF document text
- http://itps-group.com/uploadfiles/file/681512801.pdfIn PDF document text
- http://asqcert.net/files/files/jimogavubinewivi.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/161613c528be93---9903593675.pdfIn PDF document text
- http://portakalweb.net/home/portakal/public_html/ckfinder/userfiles/files/79638600154.pdfIn PDF document text
- http://rancholasmonturaspremios.com/campannas/file/68473727849.pdfIn PDF document text
- http://tcsm62.org/uploads/news/file/mewejipexifixe.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_off0000d5d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5D1 | 16756 bytes |
SHA-256: 7b29eca6c6ee10b4730748e3c9d6d2a038bb138118271902c6faec05e31b90a7 |
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font_01_sfnt_off0001013e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1013E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011955.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11955 | 11172 bytes |
SHA-256: ed32181183b252f582bb25a41d12deb8f2cfe50dfc7e0e5ecd096cee32d19524 |
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