MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to numerous distinct domains, many of which are unknown or potentially disposable. The presence of many PDF_SEO_DISPOSABLE_LINK_FARM firings strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://daedukgs.com/admin/fckeditor/data/file/20210923195208.pdf In PDF document text
- http://danies.ru/ckfinder/userfiles/files/7662010024.pdfIn PDF document text
- http://blccy.com/userfiles/files/86692719472.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614e2206b6ad4---jemapapo.pdfIn PDF document text
- http://dasbluemchen.com/fuvotumoza.pdfIn PDF document text
- https://chandrakantmusicacademy.org/ckfinder/userfiles/files/xumamavomozuxatage.pdfIn PDF document text
- https://dcimx.com/files/janeduvuxofifore.pdfIn PDF document text
- http://chandravanshi.com/userfiles/file/mokezumo.pdfIn PDF document text
- https://quanticabtl.com/cms_2018_quantica/sgi_userfiles/userfiles/files/46975592403.pdfIn PDF document text
- https://forumsevens.com/images/file/26011412124.pdfIn PDF document text
- https://abzesolar.com/uploads/files/gadufobomikupagisuxo.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebd9fbae70---fupaloxopiragora.pdfIn PDF document text
- http://ikra-ekb.ru/files/fckeditor/file/34771234956.pdfIn PDF document text
- http://drzwiukryte.pl/userfiles/file/23336227426.pdfIn PDF document text
- http://gesht.ru/admin/ckfinder/userfiles/files/zowikobifajimiluba.pdfIn PDF document text
- https://travelworld.ro/userfiles/file/tapupawosoxux.pdfIn PDF document text
- http://cmtdental.com/upload/ckimg/files/96283279493.pdfIn PDF document text
- https://ipssecurityconsultants.com/ckfinder/userfiles/files/57939808779.pdfIn PDF document text
- https://hotelreviewreserve.com/basefile/hotelreviewreservecom/files/morosadoligitor.pdfIn PDF document text
- http://velkoobchod-man.eu/ckfinder/userfiles/files/62990349344.pdfIn PDF document text
- https://apatity.verlauf-ekb.ru/admin/ckfinder/userfiles/files/41161911786.pdfIn PDF document text
- http://pijntherapie.be/uploads/files/moziwozumazodil.pdfIn PDF document text
- http://ivankrivanek.com/userfiles/file/sisezebuk.pdfIn PDF document text
- https://realxenon.ru/uploads/files/25368798007.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=bookmark+bar+chrome+androidPDF link annotation
- 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_off0000afb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFB2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c7c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7C9 | 10608 bytes |
SHA-256: 40fa52a3f71bf42b8ff8062053cc7133c99ae81d3caa94d3a53464df0fc59150 |
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font_02_sfnt_off0000dfc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC8 | 16008 bytes |
SHA-256: afd008009b5f17a57a0256485eae4f7983d8b77aa8f2f0b4b1e79babeebde0db |
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