MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code. The PDF also exhibits characteristics of a link farm, with numerous links to disposable hosting, suggesting an attempt to obscure the ultimate destination of a payload. ClamAV detection and ML classification strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. 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://www.amedna.com/userfiles/files/52128955707.pdf In PDF document text
- http://geojeoceanhotel.com/userfiles/file/20210905000623.pdfIn PDF document text
- http://kxqcgs.net/filespath/files/20210910085228.pdfIn PDF document text
- http://recviem.ru/img/upload/47849045570.pdfIn PDF document text
- http://www.anieliasfx.com/uploads/textareas/file/31220145821.pdfIn PDF document text
- http://sb-78.ru/files/file/67615903855.pdfIn PDF document text
- http://j1ent.com/userfiles/file/20210912081527.pdfIn PDF document text
- https://lapakunited.com/contents/files/53398754610.pdfIn PDF document text
- https://mimzyonline.com/userfiles/file/89927520855.pdfIn PDF document text
- https://kiptep.ru/file/94138372789.pdfIn PDF document text
- http://fundacjaproartis.pl/javascript/ckfinder/userfiles/files/52460716673.pdfIn PDF document text
- http://somersetcountybar.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jubovobifajoseke.pdfIn PDF document text
- http://tcsklife.com/filespath/files/20210902195250.pdfIn PDF document text
- http://udmvdpo.ru/images/files/21865235549.pdfIn PDF document text
- http://www.santamyoga.be/images/file/5860625078.pdfIn PDF document text
- http://lasfyy.com/uploadfile/file/20210905011742623.pdfIn PDF document text
- http://ryanoomen.nl/uploadimages/files/maxugixudepibibu.pdfIn PDF document text
- https://kawanmto.org/contents/files/xegixezuwafedulipuno.pdfIn PDF document text
- http://15881588.com/ckupload/files/85693594658.pdfIn PDF document text
- http://daiduongmetal.com/uploads/ckfinder/files/12852818894.pdfIn PDF document text
- http://elitacasa.it/images/file/83698635247.pdfIn PDF document text
- http://autobedrijvenindex.nl/images/uploads/89412122924.pdfIn PDF document text
- http://old.arcnet.org.tw/ckfinder/userfiles/files/36559878776.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134ec1f86cbe---68242466676.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=nba+2k21+apk+releasePDF 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_off0000e07e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE07E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f890.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF890 | 18452 bytes |
SHA-256: 7ac0cfbe773b611b9454db44eecf65834be45f45b1c0e1aca5f7c845bd2c8add |
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font_02_sfnt_off00012823.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12823 | 10212 bytes |
SHA-256: c9ce7fff57f1a2f6f0894df4aeeb13661f27df6d1c4b82923bcf9923ad5824a4 |
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