MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting PDF viewers or delivering malicious content. The presence of numerous external URIs, many pointing to disposable domains and exhibiting link farm characteristics, strongly suggests a phishing or malware distribution scheme. ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
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://lawyergz.net/uploadfile/files/wamuviwenasogajofedo.pdf In PDF document text
- http://annabarons.lv/files/files/737991367.pdfIn PDF document text
- http://xn--pr3b03lcdvwu9dpynqkc.com/DATA/file/20210912200058.pdfIn PDF document text
- http://aluminial.pnh.pt/js/ckfinder/userfiles/files/2243295624.pdfIn PDF document text
- http://ubestsports.com/imager/files/20210904150322.pdfIn PDF document text
- http://baruraprotidin.com/assets/ckfinder/core/connector/php/uploads/files/69874334889.pdfIn PDF document text
- http://danchrisjewelry.com/userfiles/file/86046565385.pdfIn PDF document text
- http://osmed.cz/app/webroot/files/files/bopatidomal.pdfIn PDF document text
- https://butagallery.com/userfiles/files/30966590106.pdfIn PDF document text
- https://vaitinhdien.com/app/webroot/upload/files/wurexedi.pdfIn PDF document text
- https://digireg.it/upload/vetezajovumuzenasonoguwa.pdfIn PDF document text
- https://asfus.net/virgsurv/userfiles/file/golimadugonukival.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141c2ee6ed72---bewisumizonafarudijok.pdfIn PDF document text
- http://tanphatinst.com/vietkiendo/upload/file/68824400989.pdfIn PDF document text
- https://kalashad.com/userfiles/file/dagitofatiwuto.pdfIn PDF document text
- http://calisnt.com/uploads/files/80631083118.pdfIn PDF document text
- http://gruppocaminiti.it/userfiles/files/kusumomewemozawetomalunid.pdfIn PDF document text
- https://aquamedicasatumare.ro/ckfinder/userfiles/files/sizetagokituratovo.pdfIn PDF document text
- http://xingzhongjing.com/userfiles/file/20210915171035_854090342.pdfIn PDF document text
- http://defhjdr.friend-match.com/upload/files/82817229897.pdfIn PDF document text
- http://tasfor.com/files/galeria/files/gedafumuribubililupo.pdfIn PDF document text
- http://www.petersonassoc.com/emailimages/file/gedikifarokivisidusiv.pdfIn PDF document text
- http://salukool.ee/upload/userfiles/file/zozilu.pdfIn PDF document text
- http://divapharma.com/uploaded/file/6531531377.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16135f7c3666b0---vafewukajon.pdfIn PDF document text
- https://taumed.kz/upload/2021/09files/2109112156258726921ufst.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=fast+pdf+reader+apkPDF 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_off0000b82a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB82A | 10200 bytes |
SHA-256: ff3f59b0487760a7d1ed7d0185a3a555169dcd6d8c5209106258efaf3a096f58 |
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font_01_sfnt_off0000cf2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF2A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e73c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE73C | 18592 bytes |
SHA-256: 17f2a213bf350052480ea2f629986ab0487c99fd035e793f2d0d232008c88661 |
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