MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to disposable domains, indicating a likely phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, with the embedded JavaScript likely facilitating the download of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://leo.tw/upload/ckeditor/files/81619861546.pdf In PDF document text
- http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/30257880087.pdfIn PDF document text
- http://fvv-hohenfelde.de/sites/default/files/files/48011704491.pdfIn PDF document text
- http://jinsonmetal.com/Upload/file/59574053797.pdfIn PDF document text
- http://tiramisu-o.com/yamituki-n/uploads/files/18274308214.pdfIn PDF document text
- http://kukubara.com/zdjecia/file/41407414783.pdfIn PDF document text
- https://sangolongphuong.vn/longphuong/news/files/wenalironefuresaxumewu.pdfIn PDF document text
- http://technoprofile.ru/userfiles/file/kebotenoxitajake.pdfIn PDF document text
- http://gruppocreta.com/userfiles/files/nofax.pdfIn PDF document text
- http://www.pilartangguh.com/file/7707483872.pdfIn PDF document text
- https://fereshtegan.net/basefile/fereshtegannet/files/33981554013.pdfIn PDF document text
- https://www.stock2morrow.com/ckfinder/userfiles/files/vuzewofiger.pdfIn PDF document text
- https://speak82.com/_UploadFile/Images/file/39558740593.pdfIn PDF document text
- http://osteriailgalloelinnamorata.com/userfiles/files/vajotowonizemug.pdfIn PDF document text
- http://a-aqua.fr/ressource/site-image/files/lizadev.pdfIn PDF document text
- http://philipwillettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kokovedi.pdfIn PDF document text
- http://medigroupvn.com/upload/files/91269069515.pdfIn PDF document text
- https://guenangequitation.fr/www/site/js/ckfinder/userfiles/files/torexigufakev.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1fa1aa386---91970276093.pdfIn PDF document text
- http://nissanotogovap.vn/uploads/images/files/83888293611.pdfIn PDF document text
- http://chargooshads.com/images/upload/files/81410976544.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/54994505506.pdfIn PDF document text
- http://fotografiafrancescosomma.com/userfiles/files/xeribe.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=enclaver+life+simulator+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_off0000e243.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE243 | 10788 bytes |
SHA-256: 9c37f25c2c9861cab2b908b41da6c3573cfeb4a5ceeb0316da4a3e79c19e351c |
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font_01_sfnt_off0000fb25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB25 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011337.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11337 | 17920 bytes |
SHA-256: 57b2320a74615e77cc2dcc27d3e9bbc8538f0b8ee1d589064028ba944bc9d669 |
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