MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which are part of a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The document body is unreadable, but the presence of external URIs and the link farm heuristic strongly indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9907
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://crysiq.ru/uplcv?utm_term=how+to+restore+deleted+contacts+from+phone PDF link annotation
- http://tubesealer.com/uploaded/file/155143361361373aeddd898.pdfIn PDF document text
- http://beergolfers.com/blog/images/file/41619583600.pdfIn PDF document text
- http://www.dawnrotaryclub.tw/UserFiles/files/98877923819.pdfIn PDF document text
- http://sozopolihills.com/userfiles/file/51937398995.pdfIn PDF document text
- https://hediyelikhanem.com/calisma2/files/uploads/14104128135.pdfIn PDF document text
- https://evabizz.com/userfiles/file/6264706442.pdfIn PDF document text
- https://cubic.is/userfiles/file/76135881752.pdfIn PDF document text
- https://nadrozmerne-sklo.cz/uploads/jijoz.pdfIn PDF document text
- https://benmoonpharma.com/userfiles/file/36111214236.pdfIn PDF document text
- https://vico-real-estate.com/ckfinder/userfiles/files/verenakidowizubizo.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16137e0fd892ab---20076774725.pdfIn PDF document text
- http://ckm-machinery.com/userfiles/files/2322564093.pdfIn PDF document text
- https://madeinstlucia.com/userfiles/files/74587642741.pdfIn PDF document text
- https://balticstroy.com/uploads/files/rabijozetavefawav.pdfIn PDF document text
- https://fsreloading.com/userfiles/files/vibajutizisafibuloti.pdfIn PDF document text
- https://mandarinkinesiska.com/userfiles/file/56461065128.pdfIn PDF document text
- http://qhzs88.com/admin/fckeditor_upfiles/file/2021091412032680554.pdfIn PDF document text
- https://tommytest.dish1314.com/data/html_editor/files/gaxuvufinifeba.pdfIn PDF document text
- http://centralcogtc.com/uploads/file/89541241944.pdfIn PDF document text
- http://deaprogettazioni.it/userfiles/files/12662708544.pdfIn PDF document text
- https://adsbudget.net/userfiles/file/21379817759.pdfIn PDF document text
- http://yule-sign.com/upload/editor/file/20210912002322.pdfIn PDF document text
- https://bk.knu.ac.kr/ckfinder/userfiles/files/gusumesonalowilomawi.pdfIn PDF document text
- https://apotekatia.ba/fajlovi/90424966999.pdfIn PDF document text
- https://iphonerepairservice.nl/app/webroot/files/userfiles/files/xowabuxomafugalojonaril.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/f1e0747d3ec197305013c229cb288f73/dinukijafolo.pdfIn PDF document text
- http://nifaelectronics.com/userfiles/file/25076669579.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_off0000be76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE76 | 10872 bytes |
SHA-256: f0af37cbc80cd06d91114fe1652620a5b38dc5c84e987f65a1d57791eb0fe555 |
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font_01_sfnt_off0000d769.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD769 | 16080 bytes |
SHA-256: 9fc1450b2b28176617d9a7ae33735d20d4b35790e50cd0d8a5f5b291639cbaf1 |
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font_02_sfnt_off00010079.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10079 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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