MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, with a critical heuristic indicating it's a Pdf.Phishing.Trojan. It contains embedded JavaScript, which is often used to exploit PDF vulnerabilities or redirect users. The PDF also functions as a link farm, pointing to numerous external URLs, many of which are hosted on potentially disposable domains, suggesting an attempt to obscure the final destination or distribute payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/161450fdbaf372---81987112601.pdf In PDF document text
- http://jd6618.com/jd6618/file/2021-9/file/LwpCms2021_09_14_03_29_17_7138.pdfIn PDF document text
- http://finalbrand.cz/upload/file/lofiviradim.pdfIn PDF document text
- http://idolyokocho.com/js/ckfinder/userfiles/files/badexolajetozu.pdfIn PDF document text
- http://laconchigliacasevacanze.it/userfiles/files/89620774878.pdfIn PDF document text
- https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/kivunet.pdfIn PDF document text
- http://finpacecuador.com/userfiles/file/29009848188.pdfIn PDF document text
- https://saint-florentin.charcutier-traiteur.fr/ckfinder/userfiles/files/77017803754.pdfIn PDF document text
- http://rintoyo.com/userfiles/file/41578237426.pdfIn PDF document text
- https://lesartsdansmonjardin.com/userfiles/file/20210902145254.pdfIn PDF document text
- http://odpadykj.cz/UserFiles/File/5203380642.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613fdd3b14345---zopejutofika.pdfIn PDF document text
- https://www.natursany.com/ckfinder/userfiles/files/74595513754.pdfIn PDF document text
- https://comptables-publics.fr/userfiles/file/pawowabewu.pdfIn PDF document text
- https://quangcaowebsite.xemlaco.com/uploads/files/pusegomoluvusefoga.pdfIn PDF document text
- http://ohmytour.kr/FileData/ckfinder/files/20210910_A40652A744EB706D.pdfIn PDF document text
- http://tatvideo.ru/ckfinder/userfiles/files/26649573828.pdfIn PDF document text
- http://pospatrans.cz/UserFiles/File/58860403812.pdfIn PDF document text
- http://profitoolinfo.ru/ckfinder/userfiles/files/vimedilupufuzo.pdfIn PDF document text
- https://greenlandpark.com/uploads/files/51554960846.pdfIn PDF document text
- https://finliz.lt/i/File/wosipoxusini.pdfIn PDF document text
- http://stainless-faucet.com/uploads/htmlupload/files/pifalanonofasarolexobaned.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=unknown+sources+android+9PDF 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_off0000ea34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA34 | 17708 bytes |
SHA-256: 228745e55303973c916dc77c74207e8a0d51e395ae9027384d4703c5c0b3d070 |
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font_01_sfnt_off00011824.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11824 | 10672 bytes |
SHA-256: 40e0e414b8dd6fedc048d03b03cdad97366b8f54da4d6e05852ec2e99eb4d6f2 |
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font_02_sfnt_off000130ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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