MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous embedded URLs, with one heuristic specifically identifying it as a link farm on disposable hosting, suggesting a phishing or redirection scheme. Although no scripts were explicitly extracted, the PDF structure and numerous external links point towards an attempt to direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://sro52.ru/uploads/files/linibelezi.pdf In PDF document text
- http://dui-antidote.com/images/userfiles/file/belupidiwagadukuxatepeg.pdfIn PDF document text
- https://hiddencliff.kr/FileData/ckfinder/files/20210903_45BD30DD09FD7012.pdfIn PDF document text
- http://lesbambousbleus.fr/ckeditor/upload/files/dojofobixanebonokuzowam.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9e8264ffe---32969215737.pdfIn PDF document text
- http://xn--o79av69abka850ab6c.com/upload/file/202109201234111432.pdfIn PDF document text
- https://horgaszvelem.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/29567879513.pdfIn PDF document text
- https://ewastexperts.com/userfiles/files/76928714071.pdfIn PDF document text
- https://myparrotfood.com/user_files/files/kitiwej.pdfIn PDF document text
- http://www.cerel.eu/images/wyswig_images/file/49889143879.pdfIn PDF document text
- https://mimpiindah168.com/contents/files/15456245358.pdfIn PDF document text
- http://robbymakka.com/userfiles/file/21195582565.pdfIn PDF document text
- http://chandravanshi.com/userfiles/file/63274366500.pdfIn PDF document text
- http://zhizhencn.com/filespath/files/20210924234448.pdfIn PDF document text
- http://penzionnakrizankach.cz/ckfinder/userfiles/files/14919199114.pdfIn PDF document text
- http://fereshtegan.net/basefile/fereshtegannet/files/17166229424.pdfIn PDF document text
- https://hotnewsmd.deca.md/upload/userfiles/files/92884112648.pdfIn PDF document text
- http://baohanhranghm.com/upload/img/files/tebedobat.pdfIn PDF document text
- https://aqua2go.pl/galeria/file/58450245597.pdfIn PDF document text
- http://cateringkieuan.com/uploads/userfiles/file/tokevowezofidodapujow.pdfIn PDF document text
- https://am-system.eu/ckfinder/userfiles/files/2068638946.pdfIn PDF document text
- https://onthespothousing.com/userfiles/file/gaweliparupo.pdfIn PDF document text
- http://xn--80adib9cjd8a5e.xn--p1ai/i/upload/files/59834007290.pdfIn PDF document text
- https://nwdglobal.com/ckfinder/userfiles/files/59144927130.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=how+to+share+my+location+with+an+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_off0000b230.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB230 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA42 | 15312 bytes |
SHA-256: 6b70f76e1c69b9ed7e5eeefc4d0208e26f68c4bb76949fc6cae318f8ca1ae23a |
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font_02_sfnt_off0000f061.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF061 | 10828 bytes |
SHA-256: c8fac675b1ecbe7c8beb2a94611b2474cb49235ee80ee23e6fb39f59a2829ad3 |
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