MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, many of which point to disposable PDF files. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to evade gateway scanning. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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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 http://stagelight.pl/userfiles/files/bosuwuliwi.pdf In PDF document text
- http://rockhouseschool.com/rockhouse/uploads/files/46876008161.pdfIn PDF document text
- http://linhkienhunganh.vn/luutru/files/rabosabux.pdfIn PDF document text
- http://hyundaidongdo3s.com/images/files/17263581371.pdfIn PDF document text
- https://www.shipgo17.com/plugin/ckeditor/ckfinder/userfiles/files/45162352333.pdfIn PDF document text
- https://moraure.net/js/ckfinder/userfiles/files/feresabuk.pdfIn PDF document text
- https://tennis-samara.ru/img/file/25138979980.pdfIn PDF document text
- http://cwesp.biz/upload/file/37439520832.pdfIn PDF document text
- https://trexanh.net/upload/files/86902325692.pdfIn PDF document text
- https://mayxaydungthienlong.com/uploads/files/files/suvajedovida.pdfIn PDF document text
- https://12tiga.com/contents/files/2937220782.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137cb6708db8---65838844660.pdfIn PDF document text
- http://giaydantuongphongkhach.net/images/news/file/jinujakekapex.pdfIn PDF document text
- http://meetburgerusa.com/uploads/files/jevapuzuzag.pdfIn PDF document text
- https://energiadirect.pl/application/resources/ckfinder/userfiles/files/rewamavo.pdfIn PDF document text
- https://sedefartphotography.com/resimler/files/47010003158.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143631d9940e---sunasuledametido.pdfIn PDF document text
- http://hbaoge.com/upload/files/97816669623.pdfIn PDF document text
- https://rwd1.thadv.com/upload/files/38382653144.pdfIn PDF document text
- http://syarmarka.ru/userfiles/files/fesaxasutetasukoma.pdfIn PDF document text
- http://studioagm.it/userfiles/files/wikeseni.pdfIn PDF document text
- https://manualismedicina.hu/fileok/file/48580552356.pdfIn PDF document text
- http://dpnovelty.com/upload/files/fesaloxokonudaroxaf.pdfIn PDF document text
- http://twozonechickenlasvegas.com/uploads/files/zufaw.pdfIn PDF document text
- http://peneleos.pl/userfiles/file/ferituwasajabuzedoteni.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=android+carpetas+ocultasPDF 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_off0000c342.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC342 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000db54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB54 | 19400 bytes |
SHA-256: d653c3818df1a32ae8707c6361e842913a87757067e2f2b4115f4f4f5a9c5f67 |
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font_02_sfnt_off00010d7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D7E | 10588 bytes |
SHA-256: 9ab0b2325e59bed12f59424811523e528d4b172806c68910e9935ca212cf09e5 |
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