MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The primary purpose appears to be directing users to external, potentially harmful, URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://guijek.com/userfiles/file/35339543388.pdf In PDF document text
- http://centrumbiznesurawicz.pl/userfiles/file/99617412025.pdfIn PDF document text
- https://jnvhardoi.org/ckfinder/userfiles/files/2464752754.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160881e5e53c6a---7038003659.pdfIn PDF document text
- http://koszyczarek.pl/userfiles/file/suwugas.pdfIn PDF document text
- https://www.tunnel.de/files/uploaded/file/serixa.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/8777def12cf6254fef7c8f7fceb4308e/17342799503.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/fp9sogg1dbt0pdk7kh4lv40fu2/vovokitesadodeduvan.pdfIn PDF document text
- http://superpart.com/files/midovubalakubolinajop.pdfIn PDF document text
- https://arhstroi.by/uploads/files/xovatuv.pdfIn PDF document text
- http://tuhocxuatnhapkhau.com/uploads/ckfinder/files/duwoko.pdfIn PDF document text
- https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/0g9ov24gojjfhhhk5kc5fbrs5b/82611583428.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/i9n2gcn4gq52a66va69cggjcbk/lepemu.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16076b1634fbfd---22377152634.pdfIn PDF document text
- https://inverpalmas.com/aym_image/files/41164335474.pdfIn PDF document text
- http://nesthomes.in/userfiles/file/60770731734.pdfIn PDF document text
- http://khautrangkhangviet.com/upload/img/files/nemonalekazidabipavegewe.pdfIn PDF document text
- http://chaukitchen.com/uploads/files/moxorelawivosazugufepukak.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160c32320102da---pepofopapinusel.pdfIn PDF document text
- http://svb-volleyball.de/userfiles/file/74697061211.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=one+call+chingyPDF 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_off0000d78e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD78E | 10164 bytes |
SHA-256: 695630e3885d16d8c7769044aebd0a1df6dc175b67a13ec68b212ef3727ab975 |
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font_01_sfnt_off0000ee3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE3B | 17488 bytes |
SHA-256: 7b8b1631abfdfc5b788f72fe68652fbe0e8c296f9f4821a508503eadd6d9a2df |
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font_02_sfnt_off00011c10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C10 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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