MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which point to disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a link farm, suggesting a phishing or malware distribution scheme. The embedded JavaScript likely facilitates the redirection or download of malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://irlanc.ru/uplcv?utm_term=exploring+quadratic+graphs PDF link annotation
- https://pataniforum.com/admin/jquery/ckfinder/userfiles/files/xajuwomeviriwurudifunejik.pdfIn PDF document text
- http://jmyhship.com/uploadfile/files/senuwozajilu.pdfIn PDF document text
- http://duoctruongxuan.vn/userfiles/image/file/nirabobu.pdfIn PDF document text
- http://ping-property.com/user_img/files/midibupelibopasanupal.pdfIn PDF document text
- http://3t-t.com/User_File/UpFile/file/20210901051727_c2VuaXJp.pdfIn PDF document text
- http://araratmebel.ru/img/file/kogugomajedigadoluvusazi.pdfIn PDF document text
- https://actionsporting.com/userfiles/files/meliwirofafewisino.pdfIn PDF document text
- http://idominjazz.com/fckeditor/userfiles/image/26227653340.pdfIn PDF document text
- http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/lekoxu.pdfIn PDF document text
- https://sergiomauri.com/images/file/28774458074.pdfIn PDF document text
- http://sinproval.it/userfiles/files/vatujesumororivo.pdfIn PDF document text
- http://easytravel63.ru/ckfinder/userfiles/files/58103839124.pdfIn PDF document text
- https://sdudyogtechnologies.in/ckfinder/userfiles/files/35316785010.pdfIn PDF document text
- http://xn--80aaaghhaztbcd1agjgbccsgfftf.xn--p1ai/pict/file/54120927953.pdfIn PDF document text
- http://milwaukee.center/userfiles/file/zidotasofe.pdfIn PDF document text
- https://latgalesamatnieki.lv/files/file/gager.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/161333051860e9---wawetupuzefufaleke.pdfIn PDF document text
- https://halead.com/uploadfile/1630830023.pdfIn PDF document text
- https://ispartaprefabrik.com/ckfinder/upload/files/18210550096.pdfIn PDF document text
- https://thokhoavietnam.com/upload/files/45826763978.pdfIn PDF document text
- http://mastervin.ru/files/file/visezerobaneguzutisanaraw.pdfIn PDF document text
- https://hattoco.vn/images/ckeditor/files/mimipoxedosigoj.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_off0000ade4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADE4 | 10992 bytes |
SHA-256: 924fbfbd2e0601a5d7e126369dca616a0451f2ab6a94d16b4a081410f0d2fcfd |
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font_01_sfnt_off0000c6d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6D7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000dee9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEE9 | 15932 bytes |
SHA-256: 9852664e8049c0c87805d7a216f9d6728fd5760b0d7ce57393e64106e67a20a1 |
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