MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the PDF is designed as a link farm, likely to distribute malware or phish for credentials. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://mcutech.net/files/78256943921.pdf In PDF document text
- http://frangarcia.eu/upload/file/rukonerevunalem.pdfIn PDF document text
- http://seanmore.com/userData/board/file/71298186850.pdfIn PDF document text
- http://bharatdarshan.net/rgroup/ckfinder/userfiles/files/41987547225.pdfIn PDF document text
- https://szabobuszberles.hu/files/files/vejukakizebozi.pdfIn PDF document text
- https://eagleegg5k.com/ckfinder/triplebuserfiles/file/mefedozedinuniwole.pdfIn PDF document text
- https://essaidafm.com/uploads/FCK_files/file/37783638041.pdfIn PDF document text
- https://binhvi.com/upload/files/firiboxolozik.pdfIn PDF document text
- https://investincarpathians.eu/app/webroot/media/files/nuxedofoxoluderowij.pdfIn PDF document text
- https://khmernative-rice.com/userfiles/file/tefevuzudoril.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/50d8e99801379fd1bc182806f51c29d2/wutidovadaginun.pdfIn PDF document text
- https://kolkatanagariksammelan.org/ckfinder/userfiles/files/zotizuwufokizewu.pdfIn PDF document text
- http://everintelconsulting.com/upload/file/202109091326099811.pdfIn PDF document text
- http://finalstage.biz/js/upload/files/javozutomibobip.pdfIn PDF document text
- https://nuttydog.hu/ckfinder/userfiles/files/65106900696.pdfIn PDF document text
- http://shopcloud.cloud/ckfinder/userfiles/files/xakubuk.pdfIn PDF document text
- http://xn--80aesyq.xn--p1acf/files/file/zabax.pdfIn PDF document text
- https://hopclickhospitality.com/scgtest/team-explore/uploads/files/22885364576.pdfIn PDF document text
- https://xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/34552678443.pdfIn PDF document text
- http://www.mmd.ntou.edu.tw/ckfinder/userfiles/files/tedozijegop.pdfIn PDF document text
- http://maybaobidinhdinh.com/upload/files/pufur.pdfIn PDF document text
- http://alwaysshine.com/fileimage/file/13981192765.pdfIn PDF document text
- https://jjcfurnituremaker.com/userfiles/files/87543567628.pdfIn PDF document text
- http://123podkrovie.sk/editor_uploads/files/savilekatidabet.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=windows+10+iso+free+download+for+macPDF 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_off0000e9da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9DA | 10792 bytes |
SHA-256: 3617f496938869ec619697e8b050051ba01ef400730be043c403a1a1082afa39 |
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font_01_sfnt_off000102c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102C8 | 17576 bytes |
SHA-256: 3497d1da2f1a8d170eca746fe5f5278efa596cb60931b7cd01b8f4719dc272ff |
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font_02_sfnt_off00013098.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13098 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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