MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, a common tactic for phishing or distributing further malware. The PDF structure and embedded URIs suggest it's designed to redirect users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
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://inwebjor.ru/uplcv?utm_term=how+to+make+collage+on+android+phone PDF link annotation
- http://www.anglometais.com.br/adm/Editor/ckfinder/userfiles/files/97010242870.pdfIn PDF document text
- http://mweb.cz/images/file/bujasa.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614dbdf5d4e16---97070057896.pdfIn PDF document text
- https://hunghiephuylog.com/upload/files/11203162524.pdfIn PDF document text
- http://kfbma.org/files/fck/file/22248975708.pdfIn PDF document text
- http://smileorganic.net/smileorgfarm/filesupload/File/xowudalipu.pdfIn PDF document text
- https://rlmahtani.com/userfiles/files/7559761251.pdfIn PDF document text
- http://seasplendorpetro.com/userfiles/jonanaveduvizezi.pdfIn PDF document text
- https://villanakarin.com/userfiles/files/60986954881.pdfIn PDF document text
- https://gaadalagi.com/contents/files/pemibiletosuware.pdfIn PDF document text
- http://chi-kara.net/userfiles/file/zajagexag.pdfIn PDF document text
- http://hurtmar.pl/Upload/file/juwaxa.pdfIn PDF document text
- https://perfecthospitals.org/ckfinder/userfiles/files/sidesajuxiduke.pdfIn PDF document text
- https://geya99.com/ckfinder/userfiles/files/88888426370.pdfIn PDF document text
- http://moiarchitekci.pl/pliki/file/rimeka.pdfIn PDF document text
- http://benardoutlite.com/admin/fckeditor/fckdata/file/tijilemonegufisigunato.pdfIn PDF document text
- http://simsvizag.com/contentimages/file/34826350743.pdfIn PDF document text
- https://yp05.com/_UploadFile/Images/file/jadud.pdfIn PDF document text
- http://shop-cartuning.pl/userfiles/file/xinutuvuvutoboluwa.pdfIn PDF document text
- https://habrit.tw/ckfinder/userfiles/files/dowuwakirojifune.pdfIn PDF document text
- http://runbo.net/upfiles/files/16312313252107.pdfIn PDF document text
- https://ferdavagnar.is/images/fck/file/lonetonodevizufol.pdfIn PDF document text
- http://dxczx.com/ckfinder/userfiles/files/20210922_004825.pdfIn PDF document text
- http://proximeo.com/ckfinder/userfiles/files/gazejatamuverata.pdfIn PDF document text
- http://poltinka.ru/userfiles/file/kexuruxafopax.pdfIn PDF document text
- https://used-machinetools.ro/app/webroot/files/userfiles/files/95309891585.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_off0000b140.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB140 | 16892 bytes |
SHA-256: 3a1d9a003899af14609a9e53419b5ac3294f5adadcce399524dcf5aeae29086a |
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font_01_sfnt_off0000dc59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC59 | 10960 bytes |
SHA-256: 831d73347e03bc3fb17e50412fcd531fccfe590ff4067ed2262a536fecf9990b |
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font_02_sfnt_off0000f556.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF556 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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