MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a high number of external URIs, many of which are hosted on disposable domains, indicating a link farm for distributing malicious content. The presence of a visual download button further supports a lure-based attack. ClamAV detection and ML classification strongly suggest malicious intent, likely for phishing or malware delivery.
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 http://mlsy.cz/images/file/files/dodugu.pdf In PDF document text
- http://sangtaoad.com/uploads/userfiles/file/74940980355.pdfIn PDF document text
- https://hkbca.org/UploadFiles/file/20210906034644124.pdfIn PDF document text
- https://nhomphuongnam.com/upload/files/rigemovofowotifonulebitun.pdfIn PDF document text
- https://rh4-h1tapi-turbo.com/contents/files/tojekonav.pdfIn PDF document text
- https://tepatsasaran.com/contents/files/64651605342.pdfIn PDF document text
- https://www.pirkitpadangas.lt/ckfinder/userfiles/files/mamajelopugafupetugagu.pdfIn PDF document text
- http://staresecurity.com/userfiles/file/85241873448.pdfIn PDF document text
- http://partnercable.hu/files/50803818575.pdfIn PDF document text
- https://www.shipgo17.com/plugin/ckeditor/ckfinder/userfiles/files/21335885636.pdfIn PDF document text
- https://egc.ecrom.work/syo/files/62781175724.pdfIn PDF document text
- https://nissanzorba.ro/ckeditor/ckfinder/userfiles/files/5122693274.pdfIn PDF document text
- https://hzautomatisering.nl/userfiles/file/xinodarisigubife.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/40b23128ff957358c6b974b05690e7b6/43340717367.pdfIn PDF document text
- http://hoshitorionline.com/uploads/files/luzosasivewefuko.pdfIn PDF document text
- http://kayapalinakliyat.com/file/wexixadepanesaw.pdfIn PDF document text
- http://nawaress.com/webroot/js/ckfinder/userfiles/files/15050731939.pdfIn PDF document text
- http://dekogard.net/deko/veri/_files/xodiw.pdfIn PDF document text
- https://sanmuabancongty.vn/images/content/files/vezalefekugozu.pdfIn PDF document text
- http://galettedesrois.hu/userfiles/file/62653482735.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16142e0c1287fe---74349551725.pdfIn PDF document text
- http://konditsionery-zheleznodorozhnyi.ru/upload_picture/file/89780092230.pdfIn PDF document text
- https://tierlistei.ch/downloads/mevamoliwokezuj.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=iremove+tools+full+crackPDF 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_off0000d87a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD87A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f091.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF091 | 10512 bytes |
SHA-256: 3351d04fdd690d8b3a0517ad107f227571cf12d1bfe79868a8257be95de3b665 |
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font_02_sfnt_off000108a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108A4 | 17732 bytes |
SHA-256: f658caa3a8670e846450034671add9ef26afe77b7e8dcdfa4286fb88daf75c45 |
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