MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm, with several URLs pointing to compromised CMS uploads and disposable hosting. The primary purpose appears to be directing users to external, potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://thaiwoodengames.com/files/upload/files/48104222339.pdf In PDF document text
- https://hlj-vibration.com/uploads/image/20210907/files/20210907131238.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021090917535185.pdfIn PDF document text
- https://unosms.us/userfiles/file/keloxevu.pdfIn PDF document text
- https://www.southdownscellars.co.uk/ckfinder/userfiles/files/dufusabok.pdfIn PDF document text
- https://aeternoplanning.com/ckfinder/userfiles/files/33864644977.pdfIn PDF document text
- http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/samav.pdfIn PDF document text
- http://3qbuy.com/CKEdit/upload/files/11455193882.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/705d4fcdd2af4b1caedf0fdf88607064/guvetogisugelobokabatuji.pdfIn PDF document text
- http://zekidilektekstil.com/images_upload/files/xonezeferizakisusize.pdfIn PDF document text
- https://dacola.com/upload/files/35232782627.pdfIn PDF document text
- http://weilandensemble.nl/ckfinder/userfiles/files/dotubadirasat.pdfIn PDF document text
- https://www.pelicanfinancialnetwork.com/ckfinder/userfiles/files/bamofeponidutuge.pdfIn PDF document text
- https://bitree.ru/ckfinder/userfiles/files/zarugelevumed.pdfIn PDF document text
- https://rajakedua.com/contents/files/xozirazibevun.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132680fb917d---wafurerafataw.pdfIn PDF document text
- http://shethof.ch/cgi-bin/dynamisch/file/sotidiso.pdfIn PDF document text
- http://shouce-image.kuchuancdn.com/Public/resource/files/44133739487.pdfIn PDF document text
- http://issaproject.com/app/views/panel/ckfinder/userfiles/files/23188354253.pdfIn PDF document text
- http://chrisnoblelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/10053408497.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16146345ca0ae9---vojixujegijepugeripufebex.pdfIn PDF document text
- http://siciny.eu/userfiles/file/lupobotiwelobolupezexeb.pdfIn PDF document text
- http://gymostrov.org/gymostrov/userfiles/file/lasawipa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=the+richest+man+in+babylon+marathi+pdfPDF 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_off0000c542.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC542 | 18888 bytes |
SHA-256: 23225ab8f91021f58e4922d73c28897809d0eff22f854f5cdfc513eded2a38e8 |
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font_01_sfnt_off0000f6ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6EF | 11104 bytes |
SHA-256: afb914cd2332d4c97920f717de145cbb6dcb2125a59acc59984d837e6f56f8cd |
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font_02_sfnt_off00011074.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11074 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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