MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which appear to be part of a link farm designed to host downloadable files. The presence of a 'link farm' heuristic and multiple unknown reputation URLs strongly suggests a phishing or malware distribution attempt. The ML classifier and ClamAV detection further confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://laborke.ru/uplcv?utm_term=the+dark+knight+rises+game+free+download PDF link annotation
- http://encino.kopanramen.com/uploads/files/78533200670.pdfIn PDF document text
- http://shinhwajudan.com/userData/board/file/mufixa.pdfIn PDF document text
- https://datajournonepal.org/files/dizudi.pdfIn PDF document text
- https://madhubanindiancuisine.com/nbloom/fckuploads/file/fesafanisuguv.pdfIn PDF document text
- http://vangphutai.com/images/uploads/files/74307532692.pdfIn PDF document text
- https://laundrybyconrads.com/nbloom/fckuploads/file/92858174490.pdfIn PDF document text
- https://mimpishiodua.com/contents/files/betevekasasiwubof.pdfIn PDF document text
- http://studiotecnicoprato.eu/userfiles/files/15688481074.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4545c7ada---81281972537.pdfIn PDF document text
- http://studiomuraca.eu/userfiles/files/laxafivofugodowugepexarag.pdfIn PDF document text
- http://herbwaterthailand.com/userfiles/files/71715497717.pdfIn PDF document text
- http://vattuxaydunghl.com/userfiles/file/87077328858.pdfIn PDF document text
- http://dui-antidote.com/images/userfiles/file/1112263183.pdfIn PDF document text
- http://vibrator4you.cz/UserFiles/File/67380712113.pdfIn PDF document text
- http://opgzvh.hr/upload/file/kojowaxuvuvimadaxivovun.pdfIn PDF document text
- https://ontech.vn/images/ckeditor/files/38643773841.pdfIn PDF document text
- http://francescofesta.it/userfiles/files/kipasibimu.pdfIn PDF document text
- https://f2h63c2.ip4secure.net/upload/files/31509615292.pdfIn PDF document text
- https://clubon.top/uploads/files/pejumuk.pdfIn PDF document text
- http://noithatdangcap.vn/app/webroot/uploads/files/nujelupawatunigukuwarezuk.pdfIn PDF document text
- https://oddluzanie.net/userfiles/file/witujuvefezotef.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/f220127115756d2c3b0126b7f73d1575/89094172413.pdfIn PDF document text
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/82995360556.pdfIn PDF document text
- http://allefrgycg.news-read.com/upload/files/31298947313.pdfIn PDF document text
- http://w-w.cn/isee/pfm/cms/uploadfile/fck/file/likufubo.pdfIn PDF document text
- http://yachtandgulet.com/userfiles/file/lipadikanarugutagut.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_off0000c52f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC52F | 17372 bytes |
SHA-256: cd261b707c6fc866567eecaf07f84289a0c2197303078878d8e3043f61d17b27 |
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font_01_sfnt_off0000f25d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF25D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A74 | 10940 bytes |
SHA-256: 99332a27d7eaba41270ac5791458f71b97e670c565f46845f72b198962bc5339 |
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