MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The PDF contains numerous external links, many of which are part of a link farm on disposable hosting, suggesting a phishing or malware distribution campaign. The presence of embedded URLs and the overall structure point towards a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://huntic.ru/uplcv?utm_term=super+mario+bros+2+j+rom PDF link annotation
- http://wsm.hk/images/files/36430361881.pdfIn PDF document text
- http://theonejsc.com/userfiles/file/kejebawukajaj.pdfIn PDF document text
- http://clairerolo.com/userfiles/file/63961549877.pdfIn PDF document text
- http://hanilkwanla.com/uploads/files/81644159347.pdfIn PDF document text
- http://abpjseah.news-read.com/upload/files/44491692202.pdfIn PDF document text
- http://lachina.cn/upload/file/32155706383.pdfIn PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161451ed3e2b58---raboranalulos.pdfIn PDF document text
- https://pushtypathshala.com/demo/aims/files/images/files/sunasepepofuwunidos.pdfIn PDF document text
- https://33mobility.net/uploads/files/vokekorototiwuf.pdfIn PDF document text
- http://rootbeadmill.com/upload_fck/file/2021-9-5/20210905202757565242.pdfIn PDF document text
- http://hrdiborice.cz/erucom1/files/files/renuwiweguwivofumamiboj.pdfIn PDF document text
- http://vivo-mebel.ru/upload/file/18243607774.pdfIn PDF document text
- https://podiummagazinenews.com/ckfinder/userfiles/files/16283099130.pdfIn PDF document text
- http://www.rodnolespropertymanagement.com/siteuploads/editorimg/file/kujadodewesuzonugel.pdfIn PDF document text
- http://cec-intl.ru/app/webroot/files/file/97817649059.pdfIn PDF document text
- https://cfaegaianascente.pt/portal/userfiles/files/48226517736.pdfIn PDF document text
- http://testsitehq.com/ckeditor-ckfinder-integration/uploads/files/41147602426.pdfIn PDF document text
- https://najlepsze-w-polsce.pl/uploads/wimikepeloxusedapu.pdfIn PDF document text
- http://vietcem.vn/public/default/ckeditor/files/vawakuba.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/28c887b04744c7922cd3df7ae31a444f/bunajokiw.pdfIn PDF document text
- https://unaizahic.com/Files/files/pagosuwalabupajoko.pdfIn PDF document text
- https://www.baust.edu.bd/app/webroot/ckfinder/userfiles/files/52651800343.pdfIn PDF document text
- https://cicimanis.com/contents/files/95095083853.pdfIn PDF document text
- https://fentesmakina.com/paket/upload/files/69249201224.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_off0000c19a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC19A | 16724 bytes |
SHA-256: 78b89a5de7d250ecd761c898280daac82546789c47f6d5587a69e8defa4bbc91 |
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font_01_sfnt_off0000ecd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000104ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104ED | 10728 bytes |
SHA-256: 3236c3c247ff207916c374f02e86c3b16ee6b232357a4fdeccb2f279156dceb6 |
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