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 ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to suspicious domains and appear to be part of a link farm designed to obscure the true destination. The presence of a 'download button' heuristic further suggests a lure to download a payload. The primary attack pattern involves tricking the user into downloading a malicious file via a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://3e-machinery.ru/app/webroot/filesfiles/bigedisikogekumugafibera.pdf In PDF document text
- http://www.kickcommerce.com/userfiles/file/69840285902.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137432be99ce---54455264322.pdfIn PDF document text
- https://webshopplus.nl/app/webroot/files/userfiles/files/53320263113.pdfIn PDF document text
- https://postele-z-masivu.sk/ckfinder/userfiles/files/totedowidizonemuj.pdfIn PDF document text
- http://www.monts.sk/upload_images/file/muxisofakajinoxu.pdfIn PDF document text
- http://cen7dias.es/userfiles/files/lexovepatadosoti.pdfIn PDF document text
- http://neoneophytou.com/ckfinder/userfiles/files/52689626785.pdfIn PDF document text
- http://uticachemical.com/files/upload/files/42976804500.pdfIn PDF document text
- http://thetestmag.com/userfiles/files/pisafi.pdfIn PDF document text
- http://aan.kz/ckfinder/userfiles/files/pabexazerigexetumejiseto.pdfIn PDF document text
- http://hit-air.pro/ckfinder/userfiles/files/defuvaduweju.pdfIn PDF document text
- http://teacherandtraining.com/coj_u/KK/userfiles/files/89955964122.pdfIn PDF document text
- https://expobar.vn/app/webroot/files/images/pages/files/66735698235.pdfIn PDF document text
- https://bozoklar.org/ckfinder/userfiles/files/12253217360.pdfIn PDF document text
- https://empresa-venta.hr/files/11343951517.pdfIn PDF document text
- https://foulardfotografando.it/file/31933126897.pdfIn PDF document text
- http://architettoletiziamasciotta.eu/userfiles/files/7097445569.pdfIn PDF document text
- http://stardentalcare.org/userfiles/file/51098976416.pdfIn PDF document text
- https://geneolock.com/locktactyuma/userfiles/file/80916520551.pdfIn PDF document text
- https://adikkeempat.com/contents/files/lomedowabusotiwibadidim.pdfIn PDF document text
- http://1night2day.com/ckupload/files/20659178067.pdfIn PDF document text
- http://fskyok.com/uploadfile/files/73891788081.pdfIn PDF document text
- https://classconnbio.com/img-jacson/files/9258538936.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/239384ffa874cfce1712c8094aed125f/lutiwur.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=convert+url+page+to+pdfPDF 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_off0000e6c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6C6 | 18188 bytes |
SHA-256: 54eb8e7e9a808b9f1423fec26aa8f98f436c1d2ed2830f9955cb1e28db577dbd |
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font_01_sfnt_off00011678.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11678 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012e8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E8F | 10612 bytes |
SHA-256: 4d30eec04827a9ff696fea8265766a7dfa59f5f0eb98b885c07307f29caca277 |
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