MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm. It contains numerous embedded URLs pointing to potentially malicious domains, suggesting an attempt to redirect users to phishing or malware hosting sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate structure to host many links on disposable domains, reinforcing the malicious intent.
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://laborke.ru/uplcv?utm_term=aromatic+nucleophilic+substitution+pdf PDF link annotation
- http://dgone.kr/userfiles/file/20210930232336.pdfIn PDF document text
- http://omnoiptv.com/outscapes/admin/ckeditor/uploads/ck/files/belasuzifoxuwozapuwiriz.pdfIn PDF document text
- https://praktijk.zorglink.nl/ckfinder/userfiles/files/79876232249.pdfIn PDF document text
- http://canvangdientu.com/images/file/wagonezuwaxusuxinezovo.pdfIn PDF document text
- http://vietkinggroup.com/uploads/userfiles/file/donabavageromer.pdfIn PDF document text
- http://lso-msm.com/userfiles/file/labawisalumok.pdfIn PDF document text
- https://anitacalderon.com/ckfinder/userfiles/files/3855355174.pdfIn PDF document text
- http://alhegazgroup.com/userfiles/file/kijita.pdfIn PDF document text
- http://terryloops.com/E/file/libojukufovipure.pdfIn PDF document text
- http://spartaksedlec.cz/spartaksedlec/userfiles/file/50391916658.pdfIn PDF document text
- http://kubak-ubezpieczenia.pl/userfiles/file/41398768006.pdfIn PDF document text
- https://jin-hung.com/userfiles/file/tinodofufatupabusakax.pdfIn PDF document text
- http://endobible.com/userfiles/file/45146242428.pdfIn PDF document text
- https://larrialdiak.es/files/galeria/files/61214972662.pdfIn PDF document text
- https://amthanhanhsangchinhhang.vn/upload/files/15418184590.pdfIn PDF document text
- http://marcelponjee.nl/ponjeefiles/file/69173098426.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16155936a0283f---64101761238.pdfIn PDF document text
- https://motodubai.com/uploaded_images/files/77776060040.pdfIn PDF document text
- http://mynotary.ca/sites/all/sites/mynotary.ca/files/88462515315.pdfIn PDF document text
- http://nurugelexport.com/ckfinder/userfiles/files/60925362066.pdfIn PDF document text
- https://terracetemayonetim.com/upload/ckfinder/files/81274133451.pdfIn PDF document text
- http://chongqinghaohong.com/upload/files/fopaw.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/1ff3508772ae9ae4e2b95b2e857db942/jetuwuzobuvotowakop.pdfIn PDF document text
- http://prefinancovaniehypoteky.sk/res/file/tusaduxuzusinagu.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_off0000bd33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD33 | 11108 bytes |
SHA-256: 35bfd4e12e95e02df2aabb17b1453e1e3b68d2bb9429155bdbe3b2efefd5d509 |
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font_01_sfnt_off0000d6b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eec3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC3 | 16572 bytes |
SHA-256: e06b7746d5c5e7814dfb408fe7e79d6a3a26e777fd23422914e4dba8f3a88f34 |
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