MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing or trojan distribution. It contains numerous embedded URLs, many of which point to PDF files hosted on various domains, suggesting a link farm designed to distribute malicious content. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates a deliberate attempt to create a large number of links on disposable hosting, further supporting a malicious intent.
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 http://spartaksedlec.cz/spartaksedlec/userfiles/file/45140568806.pdf In PDF document text
- https://myparrotfood.com/user_files/files/65696787699.pdfIn PDF document text
- http://beauty214.com/uploads/files/202109211705098021.pdfIn PDF document text
- https://cheesykeju.com/contents/files/32315734570.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/ni19ei58amd89em5iiuk7mud6s/85147386444.pdfIn PDF document text
- http://medicom.pl/userfiles/file/gomow.pdfIn PDF document text
- http://krzysztofmalec.pl/gfx/fck/file/rozidojilukedulamakefi.pdfIn PDF document text
- http://knupress.com/pds/editor/file/mujagupuzejotip.pdfIn PDF document text
- https://xn--80aaijzh9b.xn--90ae/documents/file/98942112670.pdfIn PDF document text
- http://e-sportis.com/images/upload/67219175501.pdfIn PDF document text
- http://energosol.pl/images_cms/file/64927621522.pdfIn PDF document text
- http://josquin-capella.de/download/7066413442.pdfIn PDF document text
- http://kco.su/userfiles/file/40691245394.pdfIn PDF document text
- https://louvre.lv/res/wysiwyg/file/89906497462.pdfIn PDF document text
- http://4chan.ro/UserFiles/file/weponevetofozakudapune.pdfIn PDF document text
- https://giga-tronics.com/userfiles/files/fokitanoposivataradukak.pdfIn PDF document text
- https://floresdeserrezuela.com/aym_image/files/9076949181.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/b888d308f3e4078445565bef11108074/nifodifijidawagizumum.pdfIn PDF document text
- https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/94540573285.pdfIn PDF document text
- http://pathtojanna.com/userfiles/files/baxinupuridalifum.pdfIn PDF document text
- http://balie.overeembv-profielen.nl/upload/files/20597272637.pdfIn PDF document text
- http://bmcnx.com/userfiles/file/wivelunagurifumozidu.pdfIn PDF document text
- http://zakuskymoser.cz/www/ckfinder/userfiles/files/vanivomizuzuf.pdfIn PDF document text
- http://tlca.com/Content/uploads/files/ropalijarijetuk.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=phone+number+tracker+apk+downloadPDF 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_off0000afa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFA6 | 16392 bytes |
SHA-256: d7c42a0a16108cc278da7264ee9ccdead858361edc76a8da4d5cf0b96fd0a2a5 |
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font_01_sfnt_off0000d929.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD929 | 10936 bytes |
SHA-256: 345eb59d626789678df423d4072582e0825c721e47b58d814596f91f122d79bc |
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font_02_sfnt_off0000f227.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF227 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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