MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm with numerous disposable URLs, suggesting a phishing or malware distribution scheme. The presence of 'ML_NYX_PDF_MALICIOUS' and 'SE_LOLBIN_RUN_COMMAND' firings further supports the malicious nature, pointing towards potential exploitation or obfuscated content delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://portecitadelle.portecitadelle.ca/ckfinder/userfiles/files/6340882996.pdf In PDF document text
- http://fajni3333.fun4two.pl/uploads/assets/file/jarutifexibapemis.pdfIn PDF document text
- http://fsanaq.com/upload/file/2109151026412656268u8ars8dxyal.pdfIn PDF document text
- http://www.tlo.ntou.edu.tw/ckfinder/userfiles/files/besegusorafilozitopuz.pdfIn PDF document text
- https://lenaoyunlar.com/calisma2/files/uploads/koruluvuwigenasitizu.pdfIn PDF document text
- http://loscogliodifavignana.it/userfiles/files/rarenolig.pdfIn PDF document text
- http://msinziniering.com/userfiles/file/28281482513.pdfIn PDF document text
- https://biodent.ro/m4fm_files/m4news/ck-uploads-files/9416800627.pdfIn PDF document text
- https://sapsda.com/SapmaUserfiles/file/dijomipiludawubu.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/161464de041584---vutila.pdfIn PDF document text
- https://resttour.com/images/userfiles/files/30718206596.pdfIn PDF document text
- https://mdteam.se/ckfinder/userfiles/files/30972925845.pdfIn PDF document text
- http://fipjp.com/userfiles/file/48350985583.pdfIn PDF document text
- https://tnmkor.com/FileData/ckfinder/files/20210920_ED3A8AD303DB1E76.pdfIn PDF document text
- http://www.lbtfilm.com/uploads/files/42375992860.pdfIn PDF document text
- http://techbis.pl/files/file/segabuzaxim.pdfIn PDF document text
- https://adtw1.elfjane.com/ckfinder/userfiles/files/16430901113.pdfIn PDF document text
- https://rubin2000-distribuitorshop.ro/userfiles/file/43051658173.pdfIn PDF document text
- https://bawwabatrizq.com/userfiles/file/xasudekunew.pdfIn PDF document text
- http://yh-nutri.com/filespath/files/20210908121025.pdfIn PDF document text
- http://charmingcurls.se/upload/file/98046438889.pdfIn PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/3efb629c02c7336f8c45f5e568fb6451/54757863277.pdfIn PDF document text
- http://nanumed.ro/uploads/files/sixex.pdfIn macro / runtime command snippet
- https://sherwoodchamber.org/ckfinder/userfiles/files/43618326693.pdfIn PDF document text
- https://greenturtleprodIn macro / runtime command snippet
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=movies+series+appPDF 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_off0000bf3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF3D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d754.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD754 | 10056 bytes |
SHA-256: 72f44e1d226a1c1955fd408ff01aae612286700e2586c5a78454fe2deac828e2 |
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font_02_sfnt_off0000ede1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE1 | 17168 bytes |
SHA-256: bf2f96368265238d2ed06ce0a3450560482eb12177ce1b805a5cef43fa0f2081 |
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