MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to download and execute a second-stage payload. The numerous external URIs, many pointing to PDF files on potentially disposable domains, suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/pilagetoju.pdf In PDF document text
- https://vnsteeldetailing.com/UserFiles/files/zuminuvojaregewela.pdfIn PDF document text
- http://ptairsupply.com/userfiles/file/bikevanutimu.pdfIn PDF document text
- http://nwatchonline.net/userfiles/file/62344603769.pdfIn PDF document text
- https://greenfins-thailand.org/uploads/file/texevuji.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/xujizirizalemutib.pdfIn PDF document text
- http://syntrend.critical.tw/upload/files/48758950612.pdfIn PDF document text
- https://santa.my/images/users/00000000/files/96426108863.pdfIn PDF document text
- http://fmdscu.net/userfiles/file/sujigezuxap.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613da891afaf3---17598235602.pdfIn PDF document text
- http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/54905190826.pdfIn PDF document text
- http://dangkydoanhnghiep.org/hinhanh_fckeditor/file/21160498695.pdfIn PDF document text
- http://czpohledavky.cz/userfiles/files/mupebufodifaxupeluki.pdfIn PDF document text
- http://ipublicity.cz/data/file/38285982687.pdfIn PDF document text
- http://delta-serwis.pl/pliki/87799246316.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614d6bb948340---nugatitadubijogo.pdfIn PDF document text
- https://duragloss.pl/userfiles/file/konupinejozefavur.pdfIn PDF document text
- http://muszempilla.com/files/file/93134236555.pdfIn PDF document text
- http://clubsahdianagalati.ro/upload/editor/file/72470191912.pdfIn PDF document text
- http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/turaladawisatuvijamit.pdfIn PDF document text
- http://vimbark.sk/editor_uploads/files/73321482539.pdfIn PDF document text
- http://manvilastrust-org.bvirani.com/ckfinder/userfiles/files/xolutebanokil.pdfIn PDF document text
- http://erago.cidees.com/uploads/files/lazepadozudagaxosef.pdfIn PDF document text
- https://bdata.vn/upload/files/rotolevesipetolode.pdfIn PDF document text
- http://3gr-group-com.gbintl.com/ci/userfiles/files/vaxepumefoneguroro.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=fast+and+furious+9+download+netnaijaPDF 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_off0000c097.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC097 | 10808 bytes |
SHA-256: fbcb4f1bf9bc219566a7891bfcd5299c1b6abf9434a5c3177fe8dba92c1b18ea |
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font_01_sfnt_off0000d9a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f1ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1BA | 18728 bytes |
SHA-256: 3d9240308ce5b8124f9e218c20ffd6d0349646d87830fc6cf3631c40198533e2 |
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