MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to external domains, and a high-confidence ML classifier flagged it as malicious. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicates a large number of links on disposable hosting, suggesting a phishing or spam campaign. While no scripts were explicitly extracted, the nature of the PDF and its embedded links strongly suggest it's used as a lure to direct users to malicious websites.
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 https://wastran.ru/uplcv?utm_term=world%27s+7th+largest+country PDF link annotation
- http://hyundaidongdo3s.com/images/files/69565428356.pdfIn PDF document text
- https://oilbasaro.com/web/images/ckfinder/files/20210905041218.pdfIn PDF document text
- http://asja-doll.ru/userfiles/file/fuwebovexobirazubefi.pdfIn PDF document text
- http://aedelsur.com/contenido/files/lipafufagomimixes.pdfIn PDF document text
- https://funcarele.com/ckfinder/userfiles/files/ledajusop.pdfIn PDF document text
- http://nawoo.net/userData/board/file/62296374051.pdfIn PDF document text
- https://doina.md/fckeditorfiles/file/76567313153.pdfIn PDF document text
- http://www.gitialiganjlko.org/ckfinder/userfiles/files/1295047724.pdfIn PDF document text
- https://marblobaths.ph/app/webroot/img/files/wogezumupuvulaxatifebe.pdfIn PDF document text
- http://burelomdo.com/ckfinder/userfiles/files/ledixatowafajisu.pdfIn PDF document text
- https://dijitalsanat.link/upload/files/wereti.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137583525a7f---41163566503.pdfIn PDF document text
- http://webinaris.org/ckfinder/userfiles/publics/files/50511796065.pdfIn PDF document text
- https://maviet.vn/upload/files/48546882344.pdfIn PDF document text
- http://bjdfszwy.com/filespath/files/20210914141214.pdfIn PDF document text
- https://bodykneadstherapy.com.au/ckfinder/userfiles/files/43107261798.pdfIn PDF document text
- https://blagoustroystvo24.ru/ckfinder/userfiles/files/67120868654.pdfIn PDF document text
- http://pixel-pro.ru/upload/file/fadosufijepepelowoxi.pdfIn PDF document text
- https://apsco.ly/userfiles/files/kawifolesivafisapasak.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5793bf733---xofekegezuwilonerom.pdfIn PDF document text
- http://dwallacelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/50777340933.pdfIn PDF document text
- http://bargiel.com.pl/ckfinder/userfiles/files/pudigew.pdfIn PDF document text
- https://cebubigsellers.com/userfiles/file/dapiguvizesikovatipalemi.pdfIn PDF document text
- http://maiodi.com/userfiles/files/57105482547.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_off0000f04a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF04A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010861.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10861 | 10848 bytes |
SHA-256: 449a8a4f5253ae1c144873a7e0fafdc4d3e64981ecadbfba51a141142e52edcf |
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font_02_sfnt_off00012154.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12154 | 18148 bytes |
SHA-256: a8a35984667c5f0fdfd9b45364541814dcc5922394464609d874ed54b710d397 |
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