MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The document functions as a link farm, directing users to various external URLs. Several of these URLs point to compromised WordPress sites, indicating a potential distribution or redirection mechanism for malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings suggests an attempt to leverage SEO or compromised infrastructure for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://franchise-vietnam.com/app/webroot/img/files/82581724125.pdf In PDF document text
- http://csigikes.hu/admin/fck_upload/file/dumap.pdfIn PDF document text
- http://meta-min.com/files/57786794265.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/71db575264169f3cf14942c6eb59fa30/dijomimobomutovumuj.pdfIn PDF document text
- http://rcp-ranstadt.us/files/27319437628.pdfIn PDF document text
- http://hcwan.com/userfiles/file/21416457391.pdfIn PDF document text
- http://ambvetbrashersclavoghisu.eu/userfiles/files/87418891314.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e021e60446---84340820831.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/vakdigid36brgs3b4smr6t4669/59146602212.pdfIn PDF document text
- http://www.sushmitamukherjee.com/fckimages/file/tedopadapakanu.pdfIn PDF document text
- http://zwickerfoto.hu/_user/file/59460284412.pdfIn PDF document text
- https://a-metal.e-giant.net/archive/file/files/13424163409.pdfIn PDF document text
- http://sallytour.com/FileData/ckfinder/files/20210903_60DC008B495D4470.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16152cb14df74c---welimalobixakatopakif.pdfIn PDF document text
- http://marmaraisg.com/images_upload/files/sowanozimilirokosoloju.pdfIn PDF document text
- http://beccaro.it/userfiles/files/3172190361.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16140488f07d98---pimapereboviletesereli.pdfIn PDF document text
- https://petrovsky14.ru/docs/files/27233429179.pdfIn PDF document text
- https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/puzapigedipedelediduzuk.pdfIn PDF document text
- http://alkanboya.com/files/file///xuwanuvitaxaf.pdfIn PDF document text
- https://congthuonghotel.vn/app/webroot/files/images/pages/files/51010724648.pdfIn PDF document text
- https://33mobility.net/uploads/files/29535167547.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=lightx+photo+editor+%26+photo+effects+pro+apk+downloadPDF 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_off0000adaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADAA | 10248 bytes |
SHA-256: e1ad41615812a3b91a0e9769ca9f53165975023d7b074e2b4348bdcb00fcf72c |
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font_01_sfnt_off0000c492.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC492 | 14980 bytes |
SHA-256: 088ca1705060051d0857ec8fbe7e2965aced9db753910bb846992cf3e46eb958 |
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font_02_sfnt_off0000ead7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAD7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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