MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF containing a large number of embedded URLs, many of which point to potentially malicious domains. Heuristics indicate this is a link farm designed for malicious purposes, and ClamAV detection confirms its malicious nature. While no scripts were directly extracted, the PDF structure and embedded links strongly suggest a phishing or malware distribution attempt, likely leveraging T1566.001 (Spearphishing Attachment) as the initial access vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://hondamienbac.vn/userfiles/file/21313640709.pdf In PDF document text
- https://ngusacdon.com/upload/files/binojamikos.pdfIn PDF document text
- http://tnshoppingbag.com/upfiles/file/patijudewotiwamutezugi.pdfIn PDF document text
- http://cesnek-vysocina.cz/UserFiles/File/38411335546.pdfIn PDF document text
- https://perfecthospitals.org/FCKeditor/file/97842420087.pdfIn PDF document text
- https://iuoshili.com/upload/users/files/gowesudopileb.pdfIn PDF document text
- http://daiichigroup.net/uploads/news_file/52838897038.pdfIn PDF document text
- http://architectureanddesign.it/userfiles/files/89593246260.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/45222072996.pdfIn PDF document text
- http://cermak-expo.cz/data/files/file/zafekiliwenogofiganalas.pdfIn PDF document text
- http://onfireinteriors.com/userfiles/senarulimejagetakudo.pdfIn PDF document text
- http://csc-028.com/userfiles/file/20210908145933_h8hvzx.pdfIn PDF document text
- http://studiotecnicofrisoli.com/userfiles/files/4729497066.pdfIn PDF document text
- https://lmbri.com/WYSIWYGImage/file/13613225556.pdfIn PDF document text
- http://ct-tci.com/cttax/userfiles/files/kuxeloromoxeguroguxisuvog.pdfIn PDF document text
- https://mgs-on-track.com/uploads/misc/files/lusiroxidedikiveroz.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16135e6b7360f0---bewotafosibigus.pdfIn PDF document text
- https://a-metal.e-giant.net/archive/file/files/32300878950.pdfIn PDF document text
- https://mujeresenmovimientoplus.com/userfiles/file/sasuwofo.pdfIn PDF document text
- https://www.koreayokogawa.com/ckfinder/userfiles/files/zagawaxafulufumeretewo.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613406201ee9c---29836119686.pdfIn PDF document text
- https://livredart.com/ckfinder/userfiles/files/ketoretatotumakizebubepa.pdfIn PDF document text
- https://editionsitaliques.com/userfiles/file/11287160574.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=maxicode+scanner+androidPDF 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_off0000d630.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD630 | 10312 bytes |
SHA-256: 7c4216ec7f9223255ec8e8e3e6ccfbe8fd5143fc6633914dbfde69020735135d |
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font_01_sfnt_off0000ed93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED93 | 17816 bytes |
SHA-256: 0c32fab8f451a4deec25fdbdd3dd990a6d7b87d27753e9c16febaa27b6a0ba24 |
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font_02_sfnt_off00011b94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B94 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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