MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as a link farm, with several URLs pointing to potentially compromised CMS upload directories or disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically a phishing trojan. The primary function appears to be directing users to external sites through a collection of links, likely for malicious purposes such as phishing or SEO spam.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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 http://kingtonkatsu.com/uploads/files/tisijulinenotebu.pdf In PDF document text
- https://123natura.com/stockages/files/belumifu.pdfIn PDF document text
- http://rutka.pl/media/upload/files/eaf578013e18c11bdf025bcb4e4497a3.pdfIn PDF document text
- http://www.tomasjelinek.com/img/pub/file/99263033684.pdfIn PDF document text
- http://di-tech.kr/fckeditor/userfiles/file/61736769689.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/aa65e007cc51cfc8f7f932f1a26ec8a9/7831988599.pdfIn PDF document text
- http://www.yankey.com.tw/demo/public/editor/ckfinder/upload/user_upload/files/66804149111.pdfIn PDF document text
- http://meimagedance.tw/ufiles/files/37568629634.pdfIn PDF document text
- http://puginternational.com/ckfinder/userfiles/files/zupatudemid.pdfIn PDF document text
- https://congnghiepxd204.vn/upload/files/sojakodukevi.pdfIn PDF document text
- http://bochkari24.ru/pic/file/92932831097.pdfIn PDF document text
- http://cuacuonductudong.com/upload/files/59080633637.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615192faf2bd1---rivemo.pdfIn PDF document text
- http://akvatoria.by/UserFiles/files/12301801758.pdfIn PDF document text
- http://tenis-klubmoj.si/uporabnik/file/firaxetepip.pdfIn PDF document text
- https://thehideawayresortpattaya.com/userfiles/files/vakepukolonikozavolex.pdfIn PDF document text
- https://www.vita-organic.eu/admin/ckfinder/userfiles/files/wizugofe.pdfIn PDF document text
- http://prunay-en-yvelines.fr/ckfinder/userfiles/files/juxotekuxuvimasu.pdfIn PDF document text
- http://orderbestwings.com/uploads/files/51355039372.pdfIn PDF document text
- http://e-district.org/userfiles/file/wevowerokexaxujapuleg.pdfIn PDF document text
- http://dalnoboy.org/data/filestorage/upload/files/gubozafopozotivexudojunuf.pdfIn PDF document text
- http://gustosandvic.com/ckfinder/userfiles/files/27572093550.pdfIn PDF document text
- https://wietsevoermans.nl/ckfinder/userfiles/files/66314383928.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/3a91fa1330c1e32db61309e2554bbcad/dokiperosizunorevaxanu.pdfIn PDF document text
- http://zeshengtecphar.com/UploadFiles/FCKeditor/20210925003236.pdfIn PDF document text
- https://www.agcontraincendios.es/ckfinder/userfiles/files/86628739603.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=meaning+of+flicking+the+beanPDF 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_off0000c093.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC093 | 10572 bytes |
SHA-256: 13b99f15e835d92486a67ed39a9a302141786226c8b64074b2e8deca05e433ba |
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font_01_sfnt_off0000d8a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f0b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0B4 | 17716 bytes |
SHA-256: d1f52bf710fe582352175c95c3365ca702479c12fa7f1c38d0e97784d442f246 |
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