MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which are hosted on disposable domains and appear to form a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a high likelihood of this being a phishing or malware distribution lure. No scripts were extracted, but the overall structure and URL patterns suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://medvor.ru/uplcv?utm_term=android+combine+photos PDF link annotation
- http://ibnuaffan.com/ckfinder/userfiles/files/83296511932.pdfIn PDF document text
- https://pcparts.fr/ckfinder/userfiles/files/savavuv.pdfIn PDF document text
- http://beming.com/ressource/site-image/files/35550628634.pdfIn PDF document text
- http://otvorene-srdce.sk/userfiles/file/jidawovibuveladered.pdfIn PDF document text
- http://biogenetec.tw/image/files/20210905_073101.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/dcvr154712o31d8klgtalrkbta/74892875412.pdfIn PDF document text
- https://itexpertdog.com/upload/files/mudaf.pdfIn PDF document text
- https://ww150002.linebot.net/upfile/files/20210912165356.pdfIn PDF document text
- http://agisinfo.ru/uploads/content/files/66941350380.pdfIn PDF document text
- http://etkenkalip.com/files/logotoxogidufozevaze.pdfIn PDF document text
- http://esenkardeslerinsaat.com/resimlerfiles/vedejebarig.pdfIn PDF document text
- http://fewo-spreewald-schoetzigk.de/brandenburgtag/img/editor/file/69921644670.pdfIn PDF document text
- https://mimpiindah88.com/contents/files/puwakizadigubimopo.pdfIn PDF document text
- https://hoakhanh.vn/uploads/image/files/zagoreza.pdfIn PDF document text
- http://consol.hu/images/uploadedimages/file/89286303378.pdfIn PDF document text
- https://festival-bg.com/media/ckuploads/files/89076541714.pdfIn PDF document text
- http://xn--b1akwe.xn--p1ai/userfiles/file/44764064367.pdfIn PDF document text
- http://wuyioutdoor.com/userfiles/file/76653906792.pdfIn PDF document text
- http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gutapajuvidiruzemor.pdfIn PDF document text
- https://xn--90ah6akb9e.xn--p1ai/f/file/mevigetazibanagisaxipu.pdfIn PDF document text
- http://remont-etalon.ru/upload/files/46693995238.pdfIn PDF document text
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc8882ac2c---duvodiwikezav.pdfIn PDF document text
- http://srividyaastrology.com/userfiles/file/wujunilexiworigop.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_off0000b34a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB34A | 14628 bytes |
SHA-256: 0ac4de33b942ee806d86d6946c953decb2c57e9a6ff77c49d9ed75f23d18bc2f |
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font_01_sfnt_off0000d809.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD809 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f020.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF020 | 10692 bytes |
SHA-256: 5db227ab46727872c721690e623d35df0405b3efcfeb2e212ede328690bd3035 |
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