MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristic analysis revealed it functions as a link farm, containing numerous embedded URLs pointing to potentially harmful content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of many external links suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 5
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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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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://krisoc.ru/uplcv?utm_term=custom+rom+santoni PDF link annotation
- http://splhardware.com/UploadFile/file/2021090208494073499.pdfIn PDF document text
- http://ohadalegistrocbarter.com/ckeditor/uploads/files/laredibejobasutazobeman.pdfIn PDF document text
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/b2393c4e7ce4eeec1d9c723292646c72/fajezufesakemipover.pdfIn PDF document text
- https://phatgiaolongan.com/upload/ckupload/files/ridanatolujojatiju.pdfIn PDF document text
- http://printific.com/images/contentimages/files/92021275647.pdfIn PDF document text
- https://uzmanwebci.com/calisma2/files/uploads/61135060690.pdfIn PDF document text
- https://maintogelonline.bet/contents/files/88213875346.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/4c42bbe32990e49c0b61ad6df53e989b/55495199611.pdfIn PDF document text
- http://torby.kbo.pl/ckfinder/userfiles/files/12677155333.pdfIn PDF document text
- http://veszpremlizards.hu/_user/file/24640731897.pdfIn PDF document text
- http://rassadaspb.com/new/files/file/36166062195.pdfIn PDF document text
- https://legend-chang.com/UserFiles/files/mewuralurugawu.pdfIn PDF document text
- http://nuovojob.com/userfiles/files/28550049294.pdfIn PDF document text
- http://worldofpacifiers.com/editor_uploads/system/files/bakukilemikorogebul.pdfIn PDF document text
- http://geojeoceanhotel.com/userfiles/file/20210908181707.pdfIn PDF document text
- http://xtra360.net/campannas/file/bukuzixiworupetasobif.pdfIn PDF document text
- https://mimpiindah1.com/contents/files/xowikom.pdfIn PDF document text
- https://tonymusic.se/UserFiles/files/948524226.pdfIn PDF document text
- http://thongthien.vn/upload/files/kibasopijukerapopagenuvud.pdfIn PDF document text
- http://agapetown.net/ckfinder/userfiles/files/726957475.pdfIn PDF document text
- http://urs-certification.com/gais/image/file/nusanedujupopobojudolefu.pdfIn PDF document text
- http://orzo.cz/uploaded/files/17665860270.pdfIn PDF document text
- https://baxsporthorses.com/userfiles/file/fakunegifevigovorolovaje.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_off0000b404.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB404 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC16 | 17088 bytes |
SHA-256: 79efa3291a025ddc152fe8b15f87afa704b74bb2e412b6eec5bd5a9d0e980295 |
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font_02_sfnt_off0000f839.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF839 | 10224 bytes |
SHA-256: 8d3f4aeb88819a15a2419ddeda91ba881194114a6fbbf73de20beafcb499c668 |
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