MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous external URIs, indicating it is designed to redirect users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a phishing or malware distribution scheme. The ML classifier and ClamAV detection further support the malicious nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://crysiq.ru/uplcv?utm_term=in+play+store+apps+are+not+updating PDF link annotation
- http://alvitraders.com/files/19556404858.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16133c9523206c---xafajat.pdfIn PDF document text
- https://www.savininkai.lt/ckfinder/userfiles/files/nifoxofalitot.pdfIn PDF document text
- http://tjsyjdq.com/v15/Upload/file/202196922387296.pdfIn PDF document text
- https://ssmahavidyalaya.org/lion/uploadedfiles/fck/files/file/xukerugedenafizibomug.pdfIn PDF document text
- http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/labegubeguzezedujupiv.pdfIn PDF document text
- http://usefchina.com/uploadfile/file///2021090318135869.pdfIn PDF document text
- https://mashtalkandil.com/userfiles/file/xebaxibazajuvujupebenug.pdfIn PDF document text
- http://hfnhsw.com/upload/files/72549537611.pdfIn PDF document text
- http://c2ctrading.org/cms_upload/files/zuxukubotosewegizele.pdfIn PDF document text
- https://imahima.xyz/js/ckfinder/userfiles/files/55734720318.pdfIn PDF document text
- http://richardchong.com/userfiles/files/36033870770.pdfIn PDF document text
- http://datcat.vn/2018/file/winixukudozanuwutilalaku.pdfIn PDF document text
- https://burragebrothers.com/demo/jolie/beta/userfiles/files/jojabokolurise.pdfIn PDF document text
- https://bem-sa.com/img/file/9795326459.pdfIn PDF document text
- http://keifo.ru/ckfinder/userfiles/files/96855584019.pdfIn PDF document text
- http://dentherapia.hu/files/file/paguwodezet.pdfIn PDF document text
- http://hydrogears.com/survey/userfiles/files/vaxalezogatod.pdfIn PDF document text
- http://wronba.com/uploads/wysiwyg/file/litapavutikukux.pdfIn PDF document text
- https://dycmc.com/DATA/upload/files/202109081101233904.pdfIn PDF document text
- http://technoauto.jp/js/upload/files/tegejozifuwowuvubaz.pdfIn PDF document text
- https://kaxtongroup.com/home5/maxconne/public_html/kaxtongroup/assets/images/newspostimages/files/pigibomekevukexuvonot.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613638ad8ac9b---wulofuvolimusewosef.pdfIn PDF document text
- http://najlepsietorty.sk/uploads/fck/file/14367657684.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_off0000b382.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB382 | 14724 bytes |
SHA-256: a9a5096b997fc708426a80e401b23455bd11f3b02961c93527484cd22dc23c52 |
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font_01_sfnt_off0000d8a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8A3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f0ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0BA | 10732 bytes |
SHA-256: 838aff3966ddca6e60adb7c421939fc1b68bcfe630059dc0e78723f5110678ef |
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