MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many of which point to disposable domains and appear to be part of a link farm designed to obscure the ultimate download destination. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document may instruct the user to open a password-protected archive, a common tactic to bypass security filters. The presence of embedded URLs and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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 https://synerhu.ru/uplcv?utm_term=iphone+apk+launcher PDF link annotation
- http://freeorden.com/media/file/87421421151.pdfIn PDF document text
- http://nissanotogovap.vn/uploads/images/files/gisuzerubepajotimodoraro.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/29572403541.pdfIn PDF document text
- http://vibrobreaker.com/files/files/poweto.pdfIn PDF document text
- http://shesob.com/file/files/rigojusoze.pdfIn PDF document text
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/runusedujolinomadijele.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/43153959303.pdfIn PDF document text
- http://sm.ac.th/ckfinder/userfiles/files/vawolaxadikodove.pdfIn PDF document text
- https://www.rapn.ru/ckfinder/userfiles/files/jufipegewunuvonepulujaf.pdfIn PDF document text
- https://asmitahrgroup.com/ckfinder/userfiles/files/96492802174.pdfIn PDF document text
- http://montagnobozzone.it/userfiles/files/21118018561.pdfIn PDF document text
- https://amadesafar.ir/basefile/amadesafarir/files/nusumopadamasixunife.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613165d11ca26---pirun.pdfIn PDF document text
- https://funbugs.ie/files/file/bisuwolutubumutagerux.pdfIn PDF document text
- http://mcutech.net/upload/2021/09/file/16305329091320815391.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/73429820239.pdfIn PDF document text
- http://suchanekstomatolog.pl/files/file/duxavedirev.pdfIn PDF document text
- http://ricoconsultingattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pefosiwobimilefojipo.pdfIn PDF document text
- http://minhphucvietnam.com/uploads/userfiles/file/18351919126.pdfIn PDF document text
- http://studiotrusso.it/userfiles/files/95121477097.pdfIn PDF document text
- http://ingegneriarossi.it/userfiles/files/darederosovixofazejexiw.pdfIn PDF document text
- https://diedacorporation.net/freesiafiles/file/42846569999.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_off0000cfd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFD7 | 18280 bytes |
SHA-256: abb343953c6a5f490b8ba3e496ea1087432a775dad0ad0ca589410317ef9c278 |
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font_01_sfnt_off0000feb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEB1 | 10256 bytes |
SHA-256: 8f4c8d981c1a11100a28c703b12f0c19c1dcb7aabc8faafe0369832462284943 |
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font_02_sfnt_off000115a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115A9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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