MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and multiple external URIs, including one pointing to a raw IP address, indicating an attempt to download and execute a secondary payload. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or trojan delivery. The presence of a download button lure further supports this. The primary IOC is the IP-based URL, which is likely hosting the next stage.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 8
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/82256905617.pdf In PDF document text
- http://dolphinegypt.net/userfiles/file/walajexikomosetigoxamij.pdfIn PDF document text
- https://beauti-full.ru/uploads/files/3394716110.pdfIn PDF document text
- https://ceccardolj.ro/userfiles/file/35023636281.pdfIn PDF document text
- https://xebecdesign.com/xebec/userfiles/file/64446250489.pdfIn PDF document text
- http://ccforum.kr/uploads/file/1631311467.pdfIn PDF document text
- https://taevlingar.se/images/pages/file/gelepimen.pdfIn PDF document text
- http://daiichilogistics.com/uploads/news_file/xepusubasarol.pdfIn PDF document text
- http://demirlermetal.com/resimler/files/vixujusituvivib.pdfIn PDF document text
- https://aporpeter.ro/userfiles/file/kurojovilafamajaboxitajuv.pdfIn PDF document text
- http://elai.kz/upload/2021/09files/210904044529266122sj9hy.pdfIn PDF document text
- https://doxity.ro/ckfinder/userfiles/files/71124251975.pdfIn PDF document text
- https://gtijsr.com/userfiles/file/muluvotamuwikofe.pdfIn PDF document text
- http://140.121.125.49/ckfinder/userfiles/files/20210909_201137.pdfPDF link annotation
- http://fitviewer.biz/files/file/doxijeloxegigega.pdfIn PDF document text
- https://sportyou.fr/ckfinder/userfiles/files/totixumebezevajo.pdfIn PDF document text
- http://epoch-making.jp/js/upload/files/13847569100.pdfIn PDF document text
- http://nktrading.qa/file/files/42555838893.pdfIn PDF document text
- https://bloc-immo.com/images/26871237849.pdfIn PDF document text
- http://shijijiaming.cn/filespath/files/20210906053739.pdfIn PDF document text
- http://ibsdhc.hpds.work/ecdemo/web/js/ckfinder/files/files/23837182763.pdfIn PDF document text
- http://elisa5888.com/shopadmin/upload/files/wutabu.pdfIn PDF document text
- http://ajej.pretty-match.com/upload/files/92528760483.pdfIn PDF document text
- http://eyela.kr/uploadfile/fckeditor/file/tatesitojuvirageduriza.pdfIn PDF document text
- https://saleskerala.com/ckfinder/userfiles/files/davupuzijexabobi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=pokemon+clover+gba+romPDF 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_off0000d7c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7C1 | 18940 bytes |
SHA-256: fd5e9e9158cef66aade68822506284010a499e4a473282b9bf639424f36ebd06 |
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font_01_sfnt_off000108fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012112.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12112 | 10512 bytes |
SHA-256: 665d88d44f59d86892d6b7d7bf5dbdd8a666f329c29a2be15e406a944619f237 |
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