MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded URIs strongly suggest it's part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
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://irlanc.ru/uplcv?utm_term=looking+glass+theory+sociology PDF link annotation
- http://zulassungsservice4you.de/bilder/file/bisodimizupazisuv.pdfIn PDF document text
- http://forter.vn/hinhanh/file/gofuk.pdfIn PDF document text
- http://capitolmetrophysicaltherapy.com/userfiles/file/64247019235.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/11583465525.pdfIn PDF document text
- http://cattaneoarchitetti.it/userfiles/files/vumewerefevifapekuwiluzaj.pdfIn PDF document text
- http://chapraptti.org/userfiles/file/78027721363.pdfIn PDF document text
- http://bertoniamministrazione.it/bertoni/public/file/dekimujoxavar.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160778536d7158---62581277173.pdfIn PDF document text
- http://school19-zav.ru/userfiles/file/32784872879.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/8c778f62d97d1383e0cb1298e94a9ab6/gamagatufinudisumowu.pdfIn PDF document text
- http://gandolfiarchitetti.com/userfiles/files/38000808306.pdfIn PDF document text
- http://seibyou-koujien.com/files/files/66519239751.pdfIn PDF document text
- https://alternatifhirdavat.com/upload/ckfinder/files/11098728017.pdfIn PDF document text
- http://minerva-collection.net/files/files/zujodowugerunukexawed.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a29211767eb---lugezitapuxabegi.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160852daac70a6---54992809275.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/588c76cc96d8d2d4f76e287fda7d53cb/32259909821.pdfIn PDF document text
- http://highlandlynxotic.com/clients/7/73/73cf6ae24f8ea70eb1cbac1dff6b0f9e/File/joripiwilozilizolodem.pdfIn PDF document text
- https://thietkewebseo.com/webroot/img/files/nadababovowevofojuwopux.pdfIn PDF document text
- https://bustotoronto.com/userfiles/file/fomebuwaxugukakukoka.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ba5283b8965---befebopanavikufuda.pdfIn PDF document text
- http://119hero.kr/userData/board/file/90953124564.pdfIn PDF document text
- https://b2b-intelligence.it/uploads/file/jozuganejenugunikesapuv.pdfIn PDF document text
- http://porpora.biz/imagenes/imagenes_contenidos///riripi.pdfIn PDF document text
- http://ithalattagarantibelgesi.com/resimlerfiles/xusilofalukajiguwumobuwi.pdfIn PDF document text
- 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_off00015cc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15CC9 | 19308 bytes |
SHA-256: b6f815ac14b5839104bec92f4927b4288b8a61f23ab76ccf37a40fcfba5a2025 |
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font_01_sfnt_off00018e5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18E5D | 10672 bytes |
SHA-256: 19cb57d5276b86581805e3cd50a7e0defe29267820ea692900779573b730501d |
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font_02_sfnt_off0001a6d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A6D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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