MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates a strategy of using many distinct, disposable hosts to distribute links, likely for SEO poisoning or to obscure malicious intent. While no scripts were explicitly extracted, the presence of PDF_URI and the overall structure strongly suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 5
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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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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://maivietnamesecotati.com/uploads/files/vaginodifimelu.pdf In PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161320093b2b2a---sonedomusaxogo.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613223e23ee1c---79133057308.pdfIn PDF document text
- http://macierz-grodziec.org/files/file/dawaluvadomulowofipo.pdfIn PDF document text
- http://tauroconsulting.pl/userfiles/file/79909933323.pdfIn PDF document text
- http://sineadstone.com/userfiles/file/linajuxegiwobolojito.pdfIn PDF document text
- http://www.cpiequipos.com/assets/images/user_files/files/witut.pdfIn PDF document text
- http://falerisztika.hu/tmp/xufapew.pdfIn PDF document text
- https://gkia.org/kingkong/userfiles/files/lelisa.pdfIn PDF document text
- https://ykitraders.com/UserFiles/file/kotebekili.pdfIn PDF document text
- http://youil.org/userData/board/file/kukux.pdfIn PDF document text
- http://yarpb.ru/pic/userfile/48506413876.pdfIn PDF document text
- http://mentor-tutor.com/newGroserLikeProject/uploads/files/64590961014.pdfIn PDF document text
- https://12shio4.com/contents/files/luxogekotezogesakitemaz.pdfIn PDF document text
- http://silver.jo/ckfinder/blanc/files/duzopavozi.pdfIn PDF document text
- http://humidorio.de/ckfinder/userfiles/files/86354645316.pdfIn PDF document text
- http://nousgarage.com/userfiles/file/54252708658.pdfIn PDF document text
- http://xlpe.net/Images_upload/files/86734989486.pdfIn PDF document text
- http://abwmountvernon.com/uploads/files/77747937025.pdfIn PDF document text
- https://juraganmonyet.com/contents/files/ralenojivuf.pdfIn PDF document text
- http://thaisomboonautopart.com/userfiles/files/69143565017.pdfIn PDF document text
- https://spheresignal.com/app/webroot/userfiles/files/xuvuwegazorepativituwiz.pdfIn PDF document text
- http://musicpark-live.de/userfiles/file/57032360984.pdfIn PDF document text
- https://eniedu.com/data/file/20210912070342.pdfIn PDF document text
- http://ambvet-trefontane.eu/userfiles/files/94707628823.pdfIn PDF document text
- https://curvy.tw/upload/files/febugek.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=download+game+ppsspp+basara+isoPDF 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_off0000e079.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE079 | 10864 bytes |
SHA-256: bcfd792aa32026f6f8e67e9328873425584f0705e71c0a3327dca20dfc7a3a1e |
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font_01_sfnt_off0000f917.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF917 | 18172 bytes |
SHA-256: d9c07c08f1c68b264bdd5e2950f649d2862fb2fd5096de6c13f3926b86051a4d |
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font_02_sfnt_off000128c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128C0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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