MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as a malicious PDF by ClamAV and an ML classifier. It contains numerous external URLs, many of which are part of a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate an attempt to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://pistant.ru/uplcv?utm_term=play+store+free+download+app+install PDF link annotation
- http://ityab.com/cache/fck_files/file/91938698553.pdfIn PDF document text
- https://red-adlay.com/upload/files/48148850843.pdfIn PDF document text
- https://jjcfurnituremaker.com/userfiles/files/wizofetisebo.pdfIn PDF document text
- http://fra2ange.it/userfiles/files/golovozakiwomubuwudirav.pdfIn PDF document text
- http://luberoff.com/userfiles/file/sagozafekakapibepijuvu.pdfIn PDF document text
- http://bio-scan.com/userfiles/file/49186130908.pdfIn PDF document text
- https://stockbauer.hu/uploads/file/wedovisekovokusukasup.pdfIn PDF document text
- https://www.renfrewareahealthvillage.ca/ckfinder/userfiles/files/lasekoz.pdfIn PDF document text
- https://www.poolsrus.com.au/application/third_party/ckfinder/userfiles/files/17895879551.pdfIn PDF document text
- http://xn--2e0b95unoa536adofm5h.com/userfiles/file/5661440520.pdfIn PDF document text
- http://bakersfield.thepokeluau.com/uploads/files/4045588147.pdfIn PDF document text
- http://madiran-cruduparadis.fr/ckfinder/userfiles/files/xezunusoviza.pdfIn PDF document text
- http://80tner.friend-match.com/upload/files/6223097777.pdfIn PDF document text
- http://inkjetartandimage.com/Uploads/file/71447506258.pdfIn PDF document text
- http://sourceit.ke/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/83938952831.pdfIn PDF document text
- https://cheesykeju.com/contents/files/78284732680.pdfIn PDF document text
- http://keystoparadise.com/userfiles/files/rupewegamoxojafudijerizar.pdfIn PDF document text
- https://namhunglogistic.vn/site/files/wonazaxatavowavasevu.pdfIn PDF document text
- https://cosmopolitanhotelbg.com/uploads/wysiwyg/files/45922497405.pdfIn PDF document text
- https://www.karelo.com/uploads/File/lugilizevedezivumugiw.pdfIn PDF document text
- https://www.carnesvarejo.com.br/assets/ckfinder/core/connector/php/uploads/files/76527226360.pdfIn PDF document text
- http://chinajnbt.com/images/upload/File/dofotevoxegatorok.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_off0000d667.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD667 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE79 | 17444 bytes |
SHA-256: 9fbb6aef951d0a0d51376f04df4f338db996e92a25cd2e049be5e3028ea71d2d |
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font_02_sfnt_off00011bce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BCE | 10692 bytes |
SHA-256: fbeebb7073018d9e46099edca19814d45b2b4598f19261b343e47523a7c9c517 |
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