MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is identified as malicious by ClamAV and an ML classifier, with heuristics indicating embedded JavaScript and external URIs. The PDF structure suggests it's a link farm, with numerous links pointing to external PDF files hosted on various domains, likely serving as a lure for phishing or malware delivery. The presence of embedded JavaScript, though not fully analyzed due to obfuscation, further supports malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://rtm-plus.com/ckfinder/userfiles/files/zosuliwulujigedojek.pdf In PDF document text
- http://alacarte-design.de/userfiles/file/89890620438.pdfIn PDF document text
- http://samwha.com/upload/userfiles/file/17672115244.pdfIn PDF document text
- http://dc-07b6a75bc4d0.breakthrough-physical-therapy.com/userfiles/files/14605713102.pdfIn PDF document text
- https://finliz.lt/i/File/74596031056.pdfIn PDF document text
- https://sistemagestiondpr.co/userfiles/file/7833352851.pdfIn PDF document text
- https://thefencedocumentary.ca/adminfiles/file/furumozamunipunesapivu.pdfIn PDF document text
- http://chochosanencino.com/uploads/files/doxaxefamaruzutakotopag.pdfIn PDF document text
- https://globalathena.com/ckfinder/userfiles/files/20616132170.pdfIn PDF document text
- http://elpijisystem.com/file/nojetemoduferuxor.pdfIn PDF document text
- http://zygzak.eu/foto_dane/wysiwyg/File/3707891430.pdfIn PDF document text
- http://thaide.org/userfiles/file/jilogome.pdfIn PDF document text
- http://caogenzhiben.com/filespath/files/20210908105809.pdfIn PDF document text
- http://poetische-malerei.de/web/editor/files/68201748985.pdfIn PDF document text
- https://rotterdampools.com/contents/files/97667746994.pdfIn PDF document text
- https://itscebu.com/upload/file/20210903155914.pdfIn PDF document text
- http://ottotech.center/userfiles/file/27469673076.pdfIn PDF document text
- http://d-a-s.cn/userfiles/file/molezeridigokaxat.pdfIn PDF document text
- http://bivalyracing.hu/files/file/90358877317.pdfIn PDF document text
- http://fge-service.com/userfiles/file/tapozusorek.pdfIn PDF document text
- http://bakefruit.com/uploads/files/202109151144562442.pdfIn PDF document text
- http://gold-carsales.com/js/upload/files/fitifesamerosotuvifem.pdfIn PDF document text
- http://hyundaihungthinh.com/uploads/images/files/xujovazepopox.pdfIn PDF document text
- https://posh.hr/files/44607510970.pdfIn PDF document text
- http://www.mueblesgamez.com/ckfinder/userfiles/files/41807961224.pdfIn PDF document text
- http://precedent.by/_newsite/images_from_html_editor/file/diwolarixarapixum.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=mass+effect+3+androidPDF 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_off0000cefd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEFD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e714.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE714 | 10588 bytes |
SHA-256: 2c25ec4ec5f744399d397a59006b2463be3f4c5a432869f9ceccb660f03011af |
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font_02_sfnt_off0000ff70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF70 | 17480 bytes |
SHA-256: 37e85e828944a79592835153ab44b90470e39111eec007bc817c3711f64785a3 |
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