MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML classifiers and ClamAV as malicious, indicating a high probability of malicious intent. The PDF contains numerous embedded URLs, many of which point to disposable hosting and are used in a link farm pattern, suggesting a phishing or malware distribution campaign. The presence of external URIs and the overall structure point towards an attempt to redirect the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://irlanc.ru/uplcv?utm_term=easy+jazz+piano+pieces+pdf PDF link annotation
- https://www.cifphosteleriayturismo.es/ckfinder/userfiles/files/fubiwojaga.pdfIn PDF document text
- http://ziconiavip.com/uploadfck/file/65213862286.pdfIn PDF document text
- https://mrpressconsulting.com/UserFiles/file/nelodiwowuxigivizudapawag.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16132eb8247e31---14461630931.pdfIn PDF document text
- http://tl-maskinfabrik.dk/userfiles/file/28635086332.pdfIn PDF document text
- http://www.sictombbi.fr/ckfinder/userfiles/files/norisixopufada.pdfIn PDF document text
- http://nationalherbo.com/userfiles/file/lifotedawexazetedi.pdfIn PDF document text
- https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/29737225029.pdfIn PDF document text
- http://kolkandkolkdesign.com/site/data/ws/files/45335160788.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/pufededovoxudisufesuget.pdfIn PDF document text
- http://ministryofrum.com/memlogos/file/72818404616.pdfIn PDF document text
- https://medarbindia.org/ckfinder/userfiles/files/89481764249.pdfIn PDF document text
- https://rlmahtani.com/userfiles/files/88389366914.pdfIn PDF document text
- http://onsijsselstein.nl/userfiles/files/72314421237.pdfIn PDF document text
- http://www.europesolidaire.eu/userfiles/files/46114137437.pdfIn PDF document text
- http://timnhanhonline.net/upload/files/xekudelemediwofekob.pdfIn PDF document text
- http://manpukulivermore.com/uploads/files/25813455556.pdfIn PDF document text
- https://hkpefa.org/editor_upload/file/vedanigo.pdfIn PDF document text
- https://suacuachuyennghiep.com/uploads/files/57572571218.pdfIn PDF document text
- http://exima.kr/userData/board/file/32526859394.pdfIn PDF document text
- http://gyn-ordi.at/myPix/file/4994151879.pdfIn PDF document text
- https://globalcareerclub.com/FCKeditor/userfiles/file/14107448648.pdfIn PDF document text
- http://savalis.ru/userfiles/file/75538230385.pdfIn PDF document text
- https://mygrind.ie/userfiles/file/35201023038.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_off0000d6e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E0 | 10656 bytes |
SHA-256: f7ae8a1c6fd8d015e263d24052d6e779ee23d89fe575494a920561ff7c3bc00f |
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font_01_sfnt_off0000ef69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF69 | 18324 bytes |
SHA-256: 4b2e45641a7417173caad1039d1c7c768feb1fb4431c3071951f019f79dac37c |
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font_02_sfnt_off00011e2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E2D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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