MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous embedded URLs, many of which are part of a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and the overall structure point towards a spearphishing attachment used to lure victims to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://infrive.ru/uplcv?utm_term=about+cuboid+in+maths PDF link annotation
- http://josquin-capella.de/download/fedetedajujo.pdfIn PDF document text
- https://benmoonpharma.com/userfiles/file/titipex.pdfIn PDF document text
- http://klick-tipp.at/ckfinder/userfiles/publics/files/safelemosivejizesape.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab04613b45---64417159501.pdfIn PDF document text
- http://leylasuren.com/images/userfiles/imagefile/1707861182.pdfIn PDF document text
- https://bachson.net/upload/file/22155230641.pdfIn PDF document text
- https://goacetours.com/ckfinder/userfiles/files/xiwotuvaxipotox.pdfIn PDF document text
- http://hebammenglueck.de/ckfinder/userfiles/files/35452381775.pdfIn PDF document text
- http://xn--o79av69abka850ab6c.com/upload/file/202109011259391421.pdfIn PDF document text
- http://wimborst-ceramics.nl/public/view/upload/fckeditor_images/file/javirotipom.pdfIn PDF document text
- http://cathugo-yachts.de/res/wysiwyg/file/45929947249.pdfIn PDF document text
- http://tecsun-moscow.ru/docs/file/wulapomojomefasulomosol.pdfIn PDF document text
- http://yer-krasnodar.ru/ckfinder/userfiles/files/kofelalawajitolaje.pdfIn PDF document text
- https://artesapanaderia.xyz/aym_image/files/guxeb.pdfIn PDF document text
- https://responsible-tourism-alliance.com/content_file/files/didiporodosemaredopuz.pdfIn PDF document text
- https://fasaac.org/temp/files/wanexagidexime.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613551904ee79---65650606184.pdfIn PDF document text
- https://www.igescanada.com/ckfinder/userfiles/files/47347769089.pdfIn PDF document text
- http://aihyang.com/userfiles/file/51142407912.pdfIn PDF document text
- http://client.diffuse.info/files/15022150279.pdfIn PDF document text
- http://cen7dias.es/userfiles/files/bebevisuwiwi.pdfIn PDF document text
- http://cephedanismani.com/images/pages/file/32315637001.pdfIn PDF document text
- http://sp2wronki.pl/fotki/fotki/file/49845064191.pdfIn PDF document text
- http://kco.su/userfiles/file/60812065507.pdfIn PDF document text
- https://s-serviss.lv/userfiles/file/47856437329.pdfIn PDF document text
- https://fond.ru/userfiles/file/riromipuro.pdfIn PDF document text
- http://www.andreapondika.cz/file/18357224509.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_off0000d9b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9B4 | 19724 bytes |
SHA-256: 2076eaf8afbd3dbaf94411e9422ef53da9e23eb4e85e858c4a9f0f700d38c122 |
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font_01_sfnt_off00010d07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D07 | 10576 bytes |
SHA-256: 040d26ac28ec2778d353394b4fbbcaaacae7980aa02bccf9e013c77578d211df |
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font_02_sfnt_off00012503.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12503 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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