MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to external PDF files, suggesting a link farm or redirection mechanism. The 'SE_DOWNLOAD_BUTTON' heuristic further supports the idea that the document is designed to trick users into clicking links, likely to download a secondary payload.
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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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://netdepphunu.vn/images/userfiles/file/nujubefelaga.pdf In PDF document text
- http://bipaf.org/2009_home/upload/editor/file/zedeved.pdfIn PDF document text
- http://panda-es.tokyo/yamituki-n/uploads/files/migoxonip.pdfIn PDF document text
- http://lerucherdesanges.fr/userfiles/file/magapipofinewupud.pdfIn PDF document text
- http://e2ingenieros.com/ckfinder/userfiles/files/81863268683.pdfIn PDF document text
- https://topupdana.com/contents/files/67987530351.pdfIn PDF document text
- http://tv-sat.cz/userfiles/file/vozunapixosatajipujewuni.pdfIn PDF document text
- http://vanillasky-ch.com/images/files/riwexaxopadikinew.pdfIn PDF document text
- https://pagodatalk.com/_UploadFile/Images/file/latinejezapotepela.pdfIn PDF document text
- http://zl369.net/userfiles/file/58419050943.pdfIn PDF document text
- http://kythuatviet.vn/uploads/userfiles/file/vajatefuvusuri.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/16142e2a15401d---11436709118.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161401a6edfe6f---jikazemugababemexomu.pdfIn PDF document text
- http://beta-rc.com/upload/files/tetofovamisekokujudetomo.pdfIn PDF document text
- http://myflora888.com/ck_files/files/xoluvis.pdfIn PDF document text
- https://tanthueviet.vn/img_data/files/64935089019.pdfIn PDF document text
- https://shipnhanh247.vn/asset/files/29103506762.pdfIn PDF document text
- https://yodobashi-church.com/65185445939.pdfIn PDF document text
- https://austdoorcaocap.com/upload/files/8597658224.pdfIn PDF document text
- https://elsa-daulte.com/ckfinder/userfiles/files/bejuxegavop.pdfIn PDF document text
- https://trisyscom.com/userfiles/file/mufawepowu.pdfIn PDF document text
- https://gionggiacam.com/ckfinder/userfiles/files/vazudazuv.pdfIn PDF document text
- https://paroles-vives.com/ckfinder/userfiles/files/konopuxatobapolitaxavuz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=download+motionleap+mod+apkPDF 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_off0000e498.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE498 | 10464 bytes |
SHA-256: 2df285d722b0be08a9ac67afec6bbed47eb51e69a4123eda40b856344112e28e |
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font_01_sfnt_off0000fc49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC49 | 18916 bytes |
SHA-256: 81aa667159384463cf4657998ebf09cdc0e938cecb4ef0664b53e4de59818f21 |
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font_02_sfnt_off00012d18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D18 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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