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 within documents. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic and the numerous unknown URLs suggest a link farm designed to obscure the ultimate destination, likely a phishing site or malware download. ClamAV detection and the ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 https://heatingboiler.ca/fck_upload/file/60137150588.pdf In PDF document text
- http://msslink.ru/userfiles/files/kivovutugofaxiwetuzoni.pdfIn PDF document text
- https://lensmam.com/userfiles/file/94591801981.pdfIn PDF document text
- http://iglozawiercie.pl/zdjecia/file/36874703851.pdfIn PDF document text
- http://bsp-plovdiv.org/ckfinder/userfiles/files/xovono.pdfIn PDF document text
- http://schule.havonix.com/ckfinder/userfiles/files/rexet.pdfIn PDF document text
- https://tauthuy.vn/upload/files/wetepelujolexaruguvo.pdfIn PDF document text
- https://cafemocion.com/userfiles/file/62727649932.pdfIn PDF document text
- http://mtreurope.com/ckfinder/userfiles/files/ramiso.pdfIn PDF document text
- https://printsolutions.printsolutions.bg/uploads/wysiwyg/files/9598306211.pdfIn PDF document text
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/fexamojowuxajovegu.pdfIn PDF document text
- http://wingtsunkungfu.ro/imagini_ws/gilejolasetelibefubudira.pdfIn PDF document text
- http://xn--nellieskche-0hb.de/userfiles/file/litemikakomiguvomirun.pdfIn PDF document text
- http://cicm2015.mist.ac.bd/app/webroot/ckfinder/userfiles/files/91447532878.pdfIn PDF document text
- https://adrfarysz.pl/userfiles/file/tirajajopedubosemomogufo.pdfIn PDF document text
- https://fgcrubochi.com.ng/ckfinder/userfiles/files/55600476181.pdfIn PDF document text
- https://markyatirim.com/resimler/files/mafusekeb.pdfIn PDF document text
- http://bbfrontedelmare.com/userfiles/files/nunebesoxewexasu.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136544d6c31a---kofaxizetomuzad.pdfIn PDF document text
- http://hzjksj.com/images/upload/File/81376726656.pdfIn PDF document text
- https://tidurmalam2.com/contents/files/80687410839.pdfIn PDF document text
- http://bjhtdszdh.com/v15/Upload/file/2021913950309296.pdfIn PDF document text
- http://elisa5888.com/shopadmin/upload/files/rilasomovavagi.pdfIn PDF document text
- https://iword.de/userfiles/file/69950351021.pdfIn PDF document text
- https://npkfertilizerproduction.com/d/files/fokipupunaxojosub.pdfIn PDF document text
- https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/33358876355.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=american+phrases+and+idioms+pdfPDF 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_off0000ee93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE93 | 17788 bytes |
SHA-256: 504fcff50f68449bb6d29ac099edb7c45334b58a0ccf90e6f7bdbd3dcfe98c17 |
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font_01_sfnt_off00011c33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C33 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001344a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1344A | 10724 bytes |
SHA-256: b1e22247b5497c4ec9f3f8797bd7bf20a6d5823a690e6600a9a25190f0068711 |
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