MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting vulnerabilities or redirecting users. Multiple heuristics indicate malicious intent, including a high-confidence ML classification and ClamAV detection as a phishing trojan. The document body is heavily obfuscated, but the presence of numerous external URIs, many pointing to disposable domains, suggests a link farm or phishing lure designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://moyamoya.center/images/hand_uploaded/files/lezopedibosoxad.pdf In PDF document text
- http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/30153039448.pdfIn PDF document text
- http://xutricolor.com/uploadfile/files/57860072726.pdfIn PDF document text
- https://lawina-radom.pl/files/file/ziwozol.pdfIn PDF document text
- http://studiogalata.it/userfiles/files/gozobiserubepisabejajuve.pdfIn PDF document text
- https://dodomacnosti.net/data/file/vawuzagebegiwepowug.pdfIn PDF document text
- http://elosc.com/upFile/file///ITX202109011306537908.pdfIn PDF document text
- http://globalfeedindustry.com/upload/files/walerowu.pdfIn PDF document text
- http://futureinfashion.com/ckfinder/userfiles/files/23459520346.pdfIn PDF document text
- https://wroclawmodelshow.pl/ckfinder/userfiles/files/97004533101.pdfIn PDF document text
- https://yoimart.com/upload/file/20210911051953.pdfIn PDF document text
- https://bluetact.com/locktactyuma/userfiles/file/ludarodibozokodirumaxokuk.pdfIn PDF document text
- http://naso10.com/userData/board/file/xexowukiropugonuroza.pdfIn PDF document text
- https://gosselindesign.com/images/from_fckeditor/fichiers/59307302856.pdfIn PDF document text
- http://saharun.org/uploads/ckfinder/userfiles/files/tujetawiw.pdfIn PDF document text
- https://vantainoidia.vn/ci/userfiles/files/duzojipisirijiw.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/f74c5ebf9e562aac0d51c8a747663f3e/zetujagaruba.pdfIn PDF document text
- http://ave-france.com/pics/files/nexiwitime.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613475f50b502---85407406203.pdfIn PDF document text
- https://privatecambodiatour.com/userfiles/file/19268529593.pdfIn PDF document text
- https://northwestconvention.cz/data/files/wewonowomadodemem.pdfIn PDF document text
- http://ecoaga.com/documentos/file/99684435547.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=game+booster+pro+apk+free+downloadPDF link annotation
- http://s292376414.onlinehome.fr/datas/imgmail/file/28028933997.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_off0000df40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF40 | 10924 bytes |
SHA-256: f276704dec462e4b7481eb96f2d3c18c956387d109b0e52cd5dc0bc4db63bf71 |
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font_01_sfnt_off0000f870.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF870 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011082.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11082 | 19408 bytes |
SHA-256: 1341d1ec6af5d459f8e31c69a17cc28e16b6662eab4229cd6cd58d41202e45c5 |
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