MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external links, many pointing to disposable domains, indicating a phishing or link-farming attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to redirect users to malicious sites for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/b2dcc66ab8bf065e25c77c0e7dbcd678/55543542281.pdf In PDF document text
- https://copacndg.com/images/uploads/files/36198937170.pdfIn PDF document text
- https://dudikom.pl/userfiles/file/tadijoluli.pdfIn PDF document text
- https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/87803297943.pdfIn PDF document text
- http://niengrangchuyensau.com/upload/contentFile/file/56231329080.pdfIn PDF document text
- http://moje-stranky.eu/userfiles/file/79811894902.pdfIn PDF document text
- http://fuku-zou.com/userfiles/file/30001539553.pdfIn PDF document text
- http://gloria-eurex.com/images/blog/file/kasumif.pdfIn PDF document text
- http://synphabase.ch/upload/file/48886566546.pdfIn PDF document text
- http://neapol-m.ru/usr/file/66900285656.pdfIn PDF document text
- http://105chers.netsociality.com/upload/files/bajepolikurezaxepoxanim.pdfIn PDF document text
- http://geombiagioschettino.eu/userfiles/files/98113314803.pdfIn PDF document text
- http://anais.terminarz.online/kosmetyczka/krakow/files/nofob.pdfIn PDF document text
- http://tofuyatogo.com/uploads/files/63152285510.pdfIn PDF document text
- http://we2meeting.com/ckfinder/userfiles/publics/files/33984649015.pdfIn PDF document text
- http://massiimo.com/piceditor/file/famitafaku.pdfIn PDF document text
- https://snf.styleguides.ch/userfiles/files/97540669115.pdfIn PDF document text
- http://ssatripoli.org/userfiles/file/9658395911.pdfIn PDF document text
- http://bippex.com/filespath/files/20210905235641.pdfIn PDF document text
- http://trips-in.com/ckupload/files/70648880465.pdfIn PDF document text
- http://lysfyyy.com/upload/files/60419247740.pdfIn PDF document text
- https://russiancosta.ru/ckfinder/userfiles/files/92108712227.pdfIn PDF document text
- http://megalaserasia.com/upload///4060920313.pdfIn PDF document text
- http://liubeauty.com/luutru/files/45576930113.pdfIn PDF document text
- http://hhsmelt.com/upload/files/tomev.pdfIn PDF document text
- http://prakseologia.eu/userfiles/file/57459638882.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+open+multiple+web+pages+on+androidPDF 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_off0000bc9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC9C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d4ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4AE | 16748 bytes |
SHA-256: e1a8d36737b8f0289624156d66374b96f3306d8ebb011ae307b5f9ef39662918 |
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font_02_sfnt_off0000fff6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFF6 | 11052 bytes |
SHA-256: a1a73f083073590e3866a434484d6f263a043efbd549fa8752b277444d42b04c |
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