MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The presence of numerous external URLs, many of which appear to be link farms or disposable hosting, suggests a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://ketchas.ru/uplcv?utm_term=mario+text+tones+android PDF link annotation
- https://pmapmc.com/userfiles/image/files/lisoruwiwamigatupano.pdfIn PDF document text
- https://vas-vill.hu/userfiles/file/77497785813.pdfIn PDF document text
- https://ooobelkom.ru/ckfinder/userfiles/files/dikerodi.pdfIn PDF document text
- http://trunglamdecor.com/uploads/userfiles/file/49960325672.pdfIn PDF document text
- http://vendsol.com/userfiles/file/wunuxilulemigo.pdfIn PDF document text
- https://tour-paris-guide.com/cite_imgs/file/79152132233.pdfIn PDF document text
- http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/54217028364.pdfIn PDF document text
- http://skiflogistics.ru/userfiles/file/fegini.pdfIn PDF document text
- http://urjabatteries.in/userfiles/file/positawilipelonot.pdfIn PDF document text
- https://chung-pei.com/userfiles/file/fugarusot.pdfIn PDF document text
- http://karate-talence.com/newsite/userfiles/files/16873942872.pdfIn PDF document text
- https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/34033110735.pdfIn PDF document text
- http://drcleancenter.com/uploads/files/202109030459006849.pdfIn PDF document text
- https://harshahometutors.com/uniformkontakt/userfiles/image/files/bekuf.pdfIn PDF document text
- https://sts-cct.com/app/webroot/userfiles/files/92962312757.pdfIn PDF document text
- https://hiddencliff.kr/FileData/ckfinder/files/20210911_CE2485429F0E85F7.pdfIn PDF document text
- https://avenue102.com/uploads/file/91343584334.pdfIn PDF document text
- http://e-junghan.com/userData/board/file/7078875024.pdfIn PDF document text
- https://ceccargiurgiu.ro/userfiles/file/pigomugotiwonixawife.pdfIn PDF document text
- https://baongochoa.com/upload/file/vitikurovoxapo.pdfIn PDF document text
- http://cn-biyoute.com/d/files/xitisuzupes.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebf46e5398---73402662374.pdfIn PDF document text
- https://estoniapools.com/contents/files/voxezirifitev.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210919170528_1582539708.pdfIn PDF document text
- https://lensprovn.com/ckfinder/userfiles/files/tixuragedanorimitupatinup.pdfIn PDF document text
- http://nigerseedindia.com/uploads/tezelaxezikagewazazi.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_off0000d506.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD506 | 17276 bytes |
SHA-256: ca88607396b7705e02095fa0caf244d73c3041099911680ae2ee1b86c406f3ea |
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font_01_sfnt_off000101f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A0D | 10288 bytes |
SHA-256: 726f3318a8a600b953f6721e05c9f414a2eb3f810073926558d73eb30c547813 |
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