MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as a malicious PDF by multiple heuristics and an ML classifier. It contains numerous embedded URLs, many of which point to PDF files on potentially disposable hosting, suggesting a link farm or phishing lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a deliberate attempt to create a large number of links on low-reputation domains. While no scripts were explicitly extracted, the nature of the embedded URLs and the ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://mobilni-kadernictvi.cz/files/file/zijulakajukakut.pdf In PDF document text
- http://noithattamphuong.com/upload/files/zoxumilijapovorukad.pdfIn PDF document text
- https://bearings.vn/images/ckeditor/files/sofade.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d4b8d9f62---ligizet.pdfIn PDF document text
- http://gavinlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/49250664956.pdfIn PDF document text
- http://cuacuongiare.vn/upload/files/wiwuvob.pdfIn PDF document text
- https://namratalakhotia.com/userfiles/files/lujoruvokogigetox.pdfIn PDF document text
- http://nabisori.com/userfiles/file/muzuwuxu.pdfIn PDF document text
- https://telorgabus.com/contents/files/powijetafanixifal.pdfIn PDF document text
- http://master-sign.ru/ckfinder/userfiles/files/28120196192.pdfIn PDF document text
- https://geelaboba.dswip.com/ci/userfiles/files/40384297348.pdfIn PDF document text
- http://architettoangeli.it/userfiles/files/40644365750.pdfIn PDF document text
- http://sissonne.hu/editor_up/93472985094.pdfIn PDF document text
- https://drproperty.in/userfiles/file/31983758844.pdfIn PDF document text
- http://tractortools.cz/ckfinder/userfiles/files/20200514440.pdfIn PDF document text
- http://nj-rshb.com/v15/Upload/file/2021910205232369.pdfIn PDF document text
- https://winstar-tools.com/UserFiles/editor/file/11878220857.pdfIn PDF document text
- https://cian.hr/userfiles/file/ponatadelarox.pdfIn PDF document text
- http://lixupeng.com/uploads/files/34613779134.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/6f299775ed5e75a655e83d6f3b0c26a7/gufalejo.pdfIn PDF document text
- http://gardenofsound.com/userfiles/files/26351198293.pdfIn PDF document text
- https://trisyscom.com/userfiles/file/5778587004.pdfIn PDF document text
- https://preprodpcb.com/userfiles/files/vikexemebuzuzowibisunat.pdfIn PDF document text
- http://reguitti-engineering.it/userfiles/files/36317525580.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=vidmate+download+2021+originalPDF 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_off0000f78f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF78F | 10772 bytes |
SHA-256: d5cdf72ae4908fab01f9dd6f9e379c3cf9256295c154e658b64264a306679292 |
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font_01_sfnt_off00011039.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11039 | 17192 bytes |
SHA-256: 6d0082d0f8378c92d7ff65cf251b88ef531a5f8b3b35a47980c9adb1675ec67c |
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font_02_sfnt_off00013d04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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