MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded JavaScript stream and multiple external URIs, suggesting it's designed to redirect users to malicious websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating a large number of links on disposable hosting, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://irlanc.ru/uplcv?utm_term=bosspy+for+android PDF link annotation
- http://nhatnguyen.vn/media/ftp/file/43102117103.pdfIn PDF document text
- https://cahayaapi1.com/contents/files/66105373015.pdfIn PDF document text
- http://gsemilia.it/userfiles/files/darajumevovamore.pdfIn PDF document text
- http://80tner.netsociality.com/upload/files/vemeguragapejer.pdfIn PDF document text
- http://ttccid.com/userfiles/files/27609000415.pdfIn PDF document text
- http://constantemail.com/userfiles/file/1631721314371613851.pdfIn PDF document text
- http://swancentive.com/cote_dor_import/admin/ckfinder/userfiles/files/fiveduvirokijubed.pdfIn PDF document text
- https://turismopontevedra.com/ckfinder/userfiles/files/lazajixamedibokor.pdfIn PDF document text
- http://reklamavysocina.cz/UserFiles/File/31185498694.pdfIn PDF document text
- http://fkm-lux.by/var/upload/file/jisapinu.pdfIn PDF document text
- http://wolfroccatiassociati.it/userfiles/files/6208109749.pdfIn PDF document text
- http://westernmaki.com/uploads/files/60077676482.pdfIn PDF document text
- http://resetimpianti.it/reset/public/file/46024445140.pdfIn PDF document text
- http://deccanquest.com/konadnew/userfiles/file/83125813480.pdfIn PDF document text
- http://evevoyance.fr/adh/.-/file/nizewigorife.pdfIn PDF document text
- http://radio-salsa.fr/php/rs/filesupload/file/67604083741.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131b0829a300---45213910475.pdfIn PDF document text
- https://empezo.xyz/js/ckfinder/userfiles/files/fawulilip.pdfIn PDF document text
- https://tiemhoahaibara.com/data/dulieu/files/42928616673.pdfIn PDF document text
- http://hotelalbicia.com/userfiles/file/70589451345.pdfIn PDF document text
- https://hotelite.in/userfiles/file/wegamijonam.pdfIn PDF document text
- http://gevenschoenen.nl/ckfinder/userfiles/files/54714166542.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16139717877417---maxabojefivobir.pdfIn PDF document text
- http://think6.net/ckfinder/userfiles/files/20210913171510.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_off0000e6f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6F2 | 17296 bytes |
SHA-256: e15b355efea90e63bcc2451ff7f4af0e50361175c204c8abdb0c490ec5280b54 |
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font_01_sfnt_off0001139f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1139F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012bb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BB6 | 10380 bytes |
SHA-256: 0d34f7a1307cdd5ad25a1a5886301d245af7fd4e3a8cbdc864b6eb8ad437a27c |
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