MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery. The primary attack pattern involves luring users through a malicious attachment to access these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://karpataljaturizmus.hu/upload/vanapinudo.pdf In PDF document text
- https://a2designbg.com/userfiles/file/mometu.pdfIn PDF document text
- http://thrifty-uy.com/files/others/razefapiw.pdfIn PDF document text
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/68490487aa054a3501687f6bb95de2bf/terirarulajeden.pdfIn PDF document text
- https://ratco-hardware.com/Ups/files/24384421467.pdfIn PDF document text
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a89fe6bf451---5373738918.pdfIn PDF document text
- http://coinproject.com/userfiles/image/file/69343705043.pdfIn PDF document text
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/b20521ef632f1c307056fd418972d0c4/87678731002.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/161247cab06325---taxenivudewijapil.pdfIn PDF document text
- http://elitk.ru/_files/povubazuvopu.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/21gvvpsmm5ls2bfht5l9etcva5/dovasijukizebas.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160755ec8db7d7---bewemusezozozoleseme.pdfIn PDF document text
- http://hflbdq.com/uploads/file/061812288940.pdfIn PDF document text
- http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/gegiletufigujiwowemipopu.pdfIn PDF document text
- http://asja-doll.ru/userfiles/file/96568814797.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f002782e96---26029439426.pdfIn PDF document text
- https://evrenmentese.com/upload/ckfinder/files/rebuvafekuvazibuvu.pdfIn PDF document text
- https://akonis.ch/userfiles/files/lodufejumudopagodojubon.pdfIn PDF document text
- https://decoveinvestment.com/userfiles/file/guwago.pdfIn PDF document text
- http://jngf.cn/files/file/tisogapalevimonus.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/44326151641.pdfIn PDF document text
- https://nadinerogger.ch/userfiles/files/dawizizegilen.pdfIn PDF document text
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/hc0cqq96ook3cesksugrl3ajjq/lorolukonage.pdfIn PDF document text
- https://anfauglir.com/images/file/zaxolisamivepumek.pdfIn PDF document text
- https://norservis.com/files/files/wateb.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=aprendizajes+clave+historia+secundaria+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_off0000c3e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3E5 | 17992 bytes |
SHA-256: d699e8b97da93ef3f90de1e237ac5db524b52345710fbbdd69001d85650ff7e0 |
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font_01_sfnt_off0000f0f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010909.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10909 | 11052 bytes |
SHA-256: c0b58128a3809fc9e63cf7528bede66a6ab82de0c4fe2d812dd8d443a2e6f76c |
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