MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated a high probability of maliciousness. The PDF contains numerous embedded URLs, many of which are hosted on suspicious domains and appear to be part of a link farm designed to redirect users. The presence of these links suggests an attempt to lure victims to malicious sites for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://khiensa.com/UserFiles/File/21200511751.pdf In PDF document text
- http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/5458570967.pdfIn PDF document text
- http://bangtaisay.com/uploads/userfiles/file/jujulo.pdfIn PDF document text
- http://agama-rc.com/upload/files/gudokefawovolopirora.pdfIn PDF document text
- http://dh-life.com/ckfinder/userfiles/files/3099098332.pdfIn PDF document text
- http://ediljolli.com/userfiles/files/rabali.pdfIn PDF document text
- http://pujcovnanaradi-tvarozna.cz/userfiles/files/96325704429.pdfIn PDF document text
- http://rosniyom.com/userfiles/files/totupogemikefabunamoger.pdfIn PDF document text
- http://website-design-company.in/dev3/damodar/ckfinder/core/connector/php/userfiles/files/kivunanaga.pdfIn PDF document text
- https://kozmetikadunakeszi.hu/userfiles/file/66626917502.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/161432c840cce6---41911476277.pdfIn PDF document text
- http://xn----8sbfeahwarn6ac1adp3fb2p.xn--p1ai/userfiles/file/xewidaludipuk.pdfIn PDF document text
- https://northwestconvention.cz/data/files/83056898620.pdfIn PDF document text
- http://akifkasaboglu.com/esatfisek/images_upload/files/15897010633.pdfIn PDF document text
- https://tedvandergulik.nl/userimages/file/75916893262.pdfIn PDF document text
- https://www.terraton.com.my/ckfinder/userfiles/files/nawudaxatojazorukoranad.pdfIn PDF document text
- http://mtecommerce.it/public/news/file/91790452708.pdfIn PDF document text
- https://aznamaste.com/ckfinder/userfiles/files/32234739697.pdfIn PDF document text
- http://bolt.fo/public_html/userfiles/files/48649440920.pdfIn PDF document text
- https://quangcaowebsitecomvn.xemlaco.com/uploads/files/ximalabozukodosewar.pdfIn PDF document text
- http://digitalqwerty.com/ckfinder/userfiles/files/22216047878.pdfIn PDF document text
- http://studiotecnicopinto.it/userfiles/files/zasugekajalakapugotudoro.pdfIn PDF document text
- https://turdv.ru/SITE/files/editor/file/56603606823.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=scaricare+ultima+versione+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_off0000fbef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBEF | 10772 bytes |
SHA-256: 30b84b7d20ef5eb32299ee1e391111942268598770282953d58953d963f1fa2c |
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font_01_sfnt_off000114b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114B6 | 18144 bytes |
SHA-256: 2581f24a4c2d73bb162e0be4cdb0a18e99e0aaf877c7118890e2da02e2ab1b80 |
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font_02_sfnt_off00014495.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14495 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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