MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm and contains a lure for remote support tools, suggesting an attempt to trick users into installing potentially malicious software. While no scripts were directly extracted, the presence of external URIs and the nature of the heuristics point towards a phishing or social engineering attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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://coretry.ru/uplcv?utm_term=how+to+cast+android+mobile+screen+on+laptop+windows+10 PDF link annotation
- http://uspeh-kursk.ru/ckfinder/userfiles/files/kedajepugamorupixojo.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/f46297fe8ecc4a794201a184c3efa26b/93073774250.pdfIn PDF document text
- http://phuongdonggolf.vn/app/webroot/uploads/files/xapipitinazedujanuvagagil.pdfIn PDF document text
- http://pantryscan.com/123cars/imagefck/file/ferogavurenirizufesotag.pdfIn PDF document text
- http://mtcongnghiepxanh.com/upload/fckimagesfile/rebaroxosavomiwisibor.pdfIn PDF document text
- http://ciccioinpentola.com/userfiles/files/vebimafimanurifuzejezevo.pdfIn PDF document text
- http://finpacecuador.com/userfiles/file/68307349115.pdfIn PDF document text
- http://hhsmelt.com/upload/files/vubazibudori.pdfIn PDF document text
- http://tlumacz-francuskiego.pl/userfiles/file/47214932192.pdfIn PDF document text
- https://10fci.org/userfiles/file/33330674566.pdfIn PDF document text
- https://maintogelonline2.org/contents/files/bijaburetonifigobamej.pdfIn PDF document text
- https://chetanaus.org/bheru/uploadfiles/file/lujuladabujelenapavuzedor.pdfIn PDF document text
- http://nato-denkmal.de/uploads/file/23258185092.pdfIn PDF document text
- https://efsanepin.com/calisma2/files/uploads/xakid.pdfIn PDF document text
- http://tafgambiatours.com/userfiles/file/pobavorewomod.pdfIn PDF document text
- http://xn--80aadcnaeutgftohcogh8i8dsc.xn--p1ai/pict/file/10468159404.pdfIn PDF document text
- http://tjsijiqing.com/ckfinder/userfiles/files/2021/0911/23ee7acc5831410778efb1d7a8815fdf.pdfIn PDF document text
- http://dentalweek.eu/userfiles/files/75823468781.pdfIn PDF document text
- http://doubler-son-capital.com/photos/files/gotipekelosug.pdfIn PDF document text
- https://remini.hu/userfiles/file/zuxosubuzuzan.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16133263a3298f---79813677306.pdfIn PDF document text
- http://scro.ru/pic/file/vedixade.pdfIn PDF document text
- http://zabbeleecooking.com/ckfinder/userfiles/files/70779043063.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_off0000dec2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEC2 | 11068 bytes |
SHA-256: 15067327158eb05137502dd93c027cdd85e61f59822883ef8eeeaaa03ebe1dd2 |
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font_01_sfnt_off0000f851.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF851 | 17716 bytes |
SHA-256: e8e54f5d19c392deb4feb8568a479254de52bd8b09b87a3b38dfa243a6a5802c |
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font_02_sfnt_off0001260b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1260B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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