MALICIOUS
134
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 heuristics indicating embedded JavaScript and a link farm structure. The PDF contains numerous external URIs pointing to disposable domains, suggesting a phishing or malware distribution campaign. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crysiq.ru/uplcv?utm_term=create+an+iso+image+from+your+operating+system+windows+7 PDF link annotation
- https://nationalshield-uae.com/userfiles/files/rituxapeboxavelokojilifiv.pdfIn PDF document text
- http://vincentianssjp.com/userfiles/file/wenisegejokopo.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f52da61b85---webamadebo.pdfIn PDF document text
- http://aviapartner.biz/js/ckfinder/userfiles/files/82192337338.pdfIn PDF document text
- https://pmapmc.com/userfiles/image/files/98530371568.pdfIn PDF document text
- http://hyundai-dongdo.vn/images/files/93993217064.pdfIn PDF document text
- http://kreativitaet-stadlhofer.at/global/images/userfiles/file/31724801003.pdfIn PDF document text
- http://ljjxmining.com/uploadfile/file///2021090316223453.pdfIn PDF document text
- https://bauarch.bg/files/12147623263.pdfIn PDF document text
- http://www.siposferenc.hu/html/22913103487.pdfIn PDF document text
- http://hagelkonzept.de/userfiles/file/vivoxik.pdfIn PDF document text
- https://goldfieldssanddrags.com.au/ckfinder/userfiles/files/26004217154.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/2bb5a2357507987a45c7d12abec04fde/gedodisaxabuxona.pdfIn PDF document text
- http://sro52.ru/uploads/files/98960838462.pdfIn PDF document text
- http://bakefruit.com/uploads/files/202109010546146876.pdfIn PDF document text
- http://jedzenie365.pl/ckfinder/userfiles/files/futazuv.pdfIn PDF document text
- http://hz-kontejnery.cz/ckfinder/userfiles/files/96687110094.pdfIn PDF document text
- http://cuacuonductudong.com/upload/files/pemekimesudakiwiwi.pdfIn PDF document text
- http://chickenwild.com/upload/contents/images/images/gejivaso.pdfIn PDF document text
- http://mobilesamara.com/img/files/file/repabipuwazelubarowodir.pdfIn PDF document text
- https://rendszergazda-cegeknek.hu/ckfinder/userfiles/files/kapotafekaruvagetifivunuf.pdfIn PDF document text
- http://life-homeshop.com/asset/uploads/files/zanilemadonewiza.pdfIn PDF document text
- http://soc-in.com/data/media/files/jefimemupibino.pdfIn PDF document text
- 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_off0000d938.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD938 | 18732 bytes |
SHA-256: b435e33396a29329bffce26e43fa6d7c7f35788f3aa5a5ed00d99306597e5c92 |
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font_01_sfnt_off00010923.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10923 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001213a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1213A | 11176 bytes |
SHA-256: 69d0b92622cfe6b5682d8bc0e4a89a1f2bf880d285cc058c5c272380406aaf54 |
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