MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates the document is designed as a link farm, pointing to numerous distinct domains, which is a common tactic for distributing malware or conducting phishing campaigns. While no scripts were extracted, the presence of numerous unknown URLs suggests a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 5
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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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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://irinabailey.com/upload/files/14517084016.pdf In PDF document text
- http://myphamnanyno.com/luutru/files/zajifapo.pdfIn PDF document text
- http://divelife.kz/files/file/fuvigefog.pdfIn PDF document text
- http://ventexevent.se/uploads/file/taliwidudavatud.pdfIn PDF document text
- http://s-privod.ru/userfiles/file/20311282985.pdfIn PDF document text
- https://bruceautoservice.com/files/file/3327360742.pdfIn PDF document text
- http://quesnelbusinessnetwork.ca/userfiles/file/sonavelaxarokotupix.pdfIn PDF document text
- http://beccaro.it/userfiles/files/59848472875.pdfIn PDF document text
- https://propertiproperty.com/Uploads/userfiles/files/maluvago.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/kekimimiramikimarav.pdfIn PDF document text
- http://decamiones.com/userfiles/file/34703286965.pdfIn PDF document text
- https://centrehistoriquesndbc.com/ckfinder/userfiles/files/8212229985.pdfIn PDF document text
- https://springkasteelhuren.be/userfiles/file/wolaba.pdfIn PDF document text
- https://larrialdiak.es/files/galeria/files/32425491090.pdfIn PDF document text
- http://immopolignano.lu/images/pozetiruwibapukedin.pdfIn PDF document text
- https://pt-joker.com/contents/files/651245855.pdfIn PDF document text
- http://fszhenjia.com/upfolder/e/files/20210911101648.pdfIn PDF document text
- https://33mobility.net/uploads/files/toguzavegewomalupude.pdfIn PDF document text
- http://ahzycw.com/upload_fck/file/2021-9-4/20210904043733360929.pdfIn PDF document text
- http://cermak-expo.cz/data/files/file/lesetajojitef.pdfIn PDF document text
- http://polyalpan.hu/_user/file/vesejujovuma.pdfIn PDF document text
- https://lifesmart.lifesmart.ro/ckfinder/userfiles/files/77045910558.pdfIn PDF document text
- https://jamuiboe.com/webroot/upload_media/vemizun.pdfIn PDF document text
- https://adian.eus/files/galeria/files/narawexukemuxazuj.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1613e199c4e983---41267677153.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=how+to+decrease+vibration+intensity+on+androidPDF 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_off0000d55f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD55F | 10712 bytes |
SHA-256: fafe074759b2c5195441a3fd3a2761b763bbd07987dc3bacd85f36de6d1cec04 |
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font_01_sfnt_off0000ee1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE1C | 17740 bytes |
SHA-256: dfe3574b34f93d77162ddd866802b019af38cec86d2f955ac496fa9c83317801 |
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font_02_sfnt_off00011bca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BCA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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