MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of a 'download button' heuristic and numerous external links, including one identified as a link farm, suggests a phishing or malware distribution lure. While no scripts were explicitly extracted, the PDF structure and external links point towards an attempt to trick the user into downloading a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://giaydantuongphongngudep.com/images/news/file/turajalisa.pdf In PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bf63023a4---gidotiledapulemifo.pdfIn PDF document text
- http://aurora-c.jp/files/files/xajubitexujudoz.pdfIn PDF document text
- http://tverzhilservis.ru/foktver.ru/ckfinder/userfiles/files/94583496887.pdfIn PDF document text
- http://aleshashop.net/uploaded_files/userfiles/files/13398660191.pdfIn PDF document text
- http://superfishinglewood.com/uploads/files/kikani.pdfIn PDF document text
- http://tacchigroup.com/public/thread/risorse/file/15796276497.pdfIn PDF document text
- http://playonathletics.com/userfiles/file/luwefujirebikofux.pdfIn PDF document text
- https://zlato-invest.cz/upload/files/xineravu.pdfIn PDF document text
- https://glaskunstcentrum.nl/images/file/48858629925.pdfIn PDF document text
- https://vyaspublicschool.com/ckfinder/userfiles/files/tigikaxedax.pdfIn PDF document text
- http://dgelc.com/userfiles/file/20210909111306.pdfIn PDF document text
- https://chennothinterios.com/uploads/file/kunadiwuxum.pdfIn PDF document text
- https://alperbehang.nl/userfiles/file/tugiw.pdfIn PDF document text
- http://gemaeldeundobjekte.de/uploads/files/netusasiz.pdfIn PDF document text
- http://whipitleather.com/userfiles/file/golibokidubudimugamux.pdfIn PDF document text
- https://inprovitecuador.com/ckfinder/userfiles/files/soraninofopifaxubi.pdfIn PDF document text
- http://tuyothuyluc.vn/webroot/img/files/53094472752.pdfIn PDF document text
- http://rucodelniza.ru/userfiles/file/vebopusotenuxiz.pdfIn PDF document text
- http://kamerton.nl/clientfiles/saxapamaxomafovubew.pdfIn PDF document text
- https://www.pirkitpadangas.lt/ckfinder/userfiles/files/vafupakowibebigibupaxedo.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/ee5be65c833f3c19fdae52cec9c1dc13/tunabadedajapo.pdfIn PDF document text
- http://onroerendgoedindex.nl/images/uploads/zenoxatibomonizilul.pdfIn PDF document text
- https://china-glass-mosaic.vegner.com/userfiles/files/20210913_111019.pdfIn PDF document text
- http://newabel.com/ckfinder/userfiles/files/doxiruxutanigo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=unlimited+movie+downloadsPDF link annotation
- 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_off0000ddb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDB1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5C8 | 10468 bytes |
SHA-256: 69948a78f945764f66b3fd224e1eecaa22aff63084ee7728e5a06f74d9050a4a |
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font_02_sfnt_off00010d90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D90 | 17448 bytes |
SHA-256: 508e12771d7ec01222e9cbba9de93de657f05f04736423d2f94404cd4fb21228 |
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