MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains a large number of embedded URLs, many of which are on disposable hosting, indicating a link farm designed to redirect users. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, suggesting the document's primary purpose is to host these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://wastran.ru/uplcv?utm_term=hazard+and+risk+pdf PDF link annotation
- https://cfi-registration.amyhalter.com/buzzboxgift/img/userfiles/files/19199997883.pdfIn PDF document text
- http://skrabl.pl/www/rpbd/fck/file/xerorasivusekawurixukoted.pdfIn PDF document text
- http://vinczeandlaszlo.com/upload/lexezizifovosug.pdfIn PDF document text
- https://dammesliepas.lv/ckfinder/userfiles/files/vomeleka.pdfIn PDF document text
- https://ilonew.tasksplan.com/userfiles/files/tawikunosanike.pdfIn PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136e6787a8a0---rakavilemuvexazot.pdfIn PDF document text
- https://mimpishio.com/contents/files/niken.pdfIn PDF document text
- https://gallerylingard.com/uploads/file/42513115492.pdfIn PDF document text
- https://agroadvanced.com/app/webroot/newsletters/editor/files/9511795340.pdfIn PDF document text
- http://aven.su/userfiles/file/37684975949.pdfIn PDF document text
- http://prplus4u.com/ckupload/files/87154848340.pdfIn PDF document text
- http://fc-junajted.com/upload/datoteke/28064814250.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c07e3dbb5---89273406321.pdfIn PDF document text
- http://wu-pao.com/upfiles/editor/files/xuwiredotakafadusetadat.pdfIn PDF document text
- http://pcserviszlin.cz/ckfinder/userfiles/files/65120414519.pdfIn PDF document text
- https://babetravelling.com/ckfinder/userfiles2/files/rarajunesarewakamilu.pdfIn PDF document text
- https://vhssirimpanam.org/ckfinder/userfiles/files/75770022577.pdfIn PDF document text
- http://hotelbelleepoque.bg/userfiles/file/9662626052.pdfIn PDF document text
- http://king-tableware.com/uploads/files/202109071650579469.pdfIn PDF document text
- https://vanvoorst.info/uploaded/file/20663189947.pdfIn PDF document text
- http://vakoplus.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/sovularuvomanabibobedaxuw.pdfIn PDF document text
- https://milliondollardesiclub.com/upload_files/featured/files/fekopeporabewexekusibi.pdfIn PDF document text
- https://atiksigorta.com/files/97568266184.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_off0000de02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE02 | 17456 bytes |
SHA-256: caba688a39abbcf81c1c2456742c4feb7500b03a394121626eeb85d822ff3601 |
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font_01_sfnt_off00010b59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B59 | 10236 bytes |
SHA-256: fb80b501d778362ca8fec17fe18013367110917a7ce1d0193f8956627f66de4f |
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font_02_sfnt_off0001225b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1225B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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