MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to external PDF files hosted on a variety of domains, many of which appear to be disposable or low-reputation. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicates a deliberate attempt to create a link farm, a common tactic for phishing or distributing further malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9923
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://ht-cooling-j3t.com/contents/files/zifaful.pdf In PDF document text
- http://eggtesting.com/admin/uploads/file/fepufejovofuvomomapi.pdfIn PDF document text
- https://buffinvestment.com/upload/ckfinder/files/76303762672.pdfIn PDF document text
- http://sonhanint.com/uploadpic/sun/files/202109302154127284.pdfIn PDF document text
- http://zbigniewrodak.pl/galeria/file/20416132952.pdfIn PDF document text
- https://foodthings.us/userfiles/file/sonilogen.pdfIn PDF document text
- http://highdesertrent.com/newsite/images/uploads/file/64019812353.pdfIn PDF document text
- http://timnhanhonline.com/upload/files/52228312133.pdfIn PDF document text
- https://rubfila.in/files/file/71106168048.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16149932964690---vejogo.pdfIn PDF document text
- https://aimara-bg.com/userfiles/file/xumezaruzesemewodazigofab.pdfIn PDF document text
- https://netlandschool.cl/files/7591149856.pdfIn PDF document text
- http://jualumnitoronto.com/editor/uploadfiles/xabutetokebivexokatujopo.pdfIn PDF document text
- https://ceiling.holcom.vn/webroot/img/files/78139464018.pdfIn PDF document text
- http://maasmartcity.com/userfiles/file/62765853350.pdfIn PDF document text
- http://unitec-egypt.net/userfiles/file/78156217850.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/97198799313.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/f5397a7aca4c41f175294784b066961a/94293672663.pdfIn PDF document text
- http://dongbanja.com/userData/ebizro_board/file/vusine.pdfIn PDF document text
- http://clingac.com/d/files/fogekoripujakogepuwubu.pdfIn PDF document text
- https://noithathoaphat11.com/upload/files/piloxolo.pdfIn PDF document text
- http://e-hematologica.com/users/file/9310115644.pdfIn PDF document text
- https://ms2oke.com/contents/files/rizow.pdfIn PDF document text
- http://adidravidar.com/ckfinder/userfiles/files/26047382013.pdfIn PDF document text
- http://mega.kz/media/upload/files/rivuzarixuliso.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=music+paradise+pro+downloadPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e36f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE36F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB81 | 19500 bytes |
SHA-256: 39d24da7ca388ab9fa72d33ad06e57f0ff102b41340c522e8b305ac3112c6ae6 |
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font_02_sfnt_off00012d80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D80 | 10588 bytes |
SHA-256: f0c9b9b0c8d7cfefbbd7819710d282fc071f770b935fc9cd1f6a5ee0385d44a8 |
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font_03_sfnt_off000145d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145D6 | 16600 bytes |
SHA-256: db20457482742052b8c48bf65b5110f53555b1485a6d4fa41db7f8f981afbbbf |
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