MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or delivering malicious content. The PDF also contains numerous external URIs, many of which point to potentially malicious domains, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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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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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://tion.hu/upload/file/pazorigebajusazaz.pdf In PDF document text
- http://inhome360.ru/admin/ckfinder/userfiles/files/80127087510.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16143d08f60a48---vomofenuxujusizu.pdfIn PDF document text
- https://tectrongim.com/uploads/files/9191829016.pdfIn PDF document text
- http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/59478308659.pdfIn PDF document text
- http://www.sm.ac.th/ckfinder/userfiles/files/bujudiwejuzobuli.pdfIn PDF document text
- https://maturana.cl/upload/file/fumijebekavilodifadujogo.pdfIn PDF document text
- https://slotpt2.com/contents/files/zarusov.pdfIn PDF document text
- http://adice-area.com/pictures/files/rukezirezidagewituk.pdfIn PDF document text
- http://bighost.vn/uploads/userfiles/file/tewalinun.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/851e532b363b89873de28ca6dbc8676c/69092718864.pdfIn PDF document text
- http://fishtech.org/uploads/userfiles/file/file/31128767164.pdfIn PDF document text
- http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/gibokanokuru.pdfIn PDF document text
- http://studiogaleazzo.eu/userfiles/files/vowinevagamikowozeniki.pdfIn PDF document text
- http://linklandhotels.com/upfile/editor/files/xakudifiremilesixet.pdfIn PDF document text
- http://ijfbn.com/editor_up/repof.pdfIn PDF document text
- http://archissimo.eu/userfiles/files/55080463079.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/hpf3pbnv5dfp9mrj65n2id5foc/voranokebixerogaxewi.pdfIn PDF document text
- http://inter-travel.hu/_user/file/jeloxowefo.pdfIn PDF document text
- https://zlato-stribro-investice.com/upload/files/duvoduleleduxosijativemo.pdfIn PDF document text
- http://felixefontesadvogados.com.br/ckfinder/userfiles/files/26677612095.pdfIn PDF document text
- http://le-nora.com/userfiles/file/dekudozaxudotupun.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=reface+pro+unlocked+apkPDF 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_off0000bed8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBED8 | 17892 bytes |
SHA-256: 0c69edd0329d9035659d05a719400603d032515e9c706fe4bb7f8c6126ba19a1 |
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font_01_sfnt_off0000ed80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED80 | 10492 bytes |
SHA-256: 35458a5a80df979eefdbe50d5b15f96b12413eb8799f21aef732653ed602dc17 |
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font_02_sfnt_off00010577.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10577 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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