MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to suspicious PDF files on various domains, suggesting a link farm or redirection mechanism. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic further supports this, indicating a tactic to obscure the true destination. While no scripts were explicitly extracted, the nature of the embedded URLs and the 'ML_NYX_PDF_MALICIOUS' firing suggest the PDF is likely used to redirect users to malicious sites, potentially for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://ebara.com.hk/ckfinder/Zenith/userfiles/files/jedutikeroxizexure.pdf In PDF document text
- http://preiss.at/upload_files/files/terurozobivoje.pdfIn PDF document text
- https://yumasri.com/assets/ckfinder/userfiles/files/18936563973.pdfIn PDF document text
- https://shiprapublication.com/uniformkontakt/userfiles/image/files/80791908727.pdfIn PDF document text
- https://ego-sofa.tw/uploads/files/202109011117508238.pdfIn PDF document text
- http://www.bongbansaigon.com/uploads/files/103901504.pdfIn PDF document text
- http://puzynowska-kancelaria.com/userfiles/file/24859716639.pdfIn PDF document text
- http://residenzaeden-albisola.com/userfiles/files/nivazali.pdfIn PDF document text
- http://dywin.com/uploadfile/files/16362703075.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/0kt4jnfbdb60asv4m5r5bjqudn/9108013010.pdfIn PDF document text
- http://wlpp.net/images/blog/file/41646746644.pdfIn PDF document text
- http://nwhouse.ru/uploads/file/60167808515.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1614032277eade---mokudo.pdfIn PDF document text
- http://qdjshg.com/files/file/nerukikeveli.pdfIn PDF document text
- https://eltonltd.ru/sites/default/files/uploads/33677229701.pdfIn PDF document text
- http://odpadykj.cz/UserFiles/File/fapofuvotesobel.pdfIn PDF document text
- http://cudicio.it/images/file/56292063532.pdfIn PDF document text
- https://netlandschool.cl/files/47522252688.pdfIn PDF document text
- http://larben.cz/media/images/upload/file/bujuzevatemewerif.pdfIn PDF document text
- https://saintarseny.ca/sites/saintarseny.ca/files/file/24885940481.pdfIn PDF document text
- https://jordan.si/dokumenti/file/12555707977.pdfIn PDF document text
- https://triatlonshop.cz/userfiles/file/98317265008.pdfIn PDF document text
- http://orderbestwings.com/uploads/files/fotibamisusotazegaz.pdfIn PDF document text
- http://harc-ias.vn/Images_upload/files/74606647438.pdfIn PDF document text
- http://camel-republic.com/media/userfiles/files/35144618909.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=blocking+email+texts+on+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_off0000d4ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eccc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECCC | 17540 bytes |
SHA-256: e7dff548e88af44ad1c031090e0b91e8e02ec737fe276f4081ce11fa97631b42 |
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font_02_sfnt_off00011a99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A99 | 10960 bytes |
SHA-256: 21de23b77628e72fa2ad386dd25b877e13b9672331d511316519dbafd09161fe |
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