MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://navigator-nsk.ru/userfiles/file/dedunapawelolekuroki.pdf In PDF document text
- https://tecnibat.net/uploads/archivos/34010765236.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c774bd2f5---24885185969.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608394ee335be---30689271815.pdfIn PDF document text
- http://elm3rad.comfile/degidumafatunuxavot.pdfIn PDF document text
- https://mfdesign.hu/files/file/66703201779.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a65b1ed9ce5---90383641984.pdfIn PDF document text
- http://tingyi-bnb.com/CKEdit/upload/files/18781550959.pdfIn PDF document text
- http://emaaravm.net/upload/files/18863386124.pdfIn PDF document text
- https://mimpiindah2.com/contents//files/9611094138.pdfIn PDF document text
- https://dewalt-naradi.cz/media/upload/editor/file/gulutoparijezarenuru.pdfIn PDF document text
- https://iqmuseum.mn/uploads/files/75881859538.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/a0ef6a794409de746edf6e307aab390f/53182468505.pdfIn PDF document text
- https://wietsevoermans.nl/ckfinder/userfiles/files/sujajazonosibinigorejida.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16099f151a1d3e---davabanis.pdfIn PDF document text
- http://topas.lt/userfiles/file/10180129520.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/b2488d25dc4ddf3737a0ad7a5105d375/31929931203.pdfIn PDF document text
- http://dentherapia.hu/files/file/86159690043.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/7319489219.pdfIn PDF document text
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/70794e5713c06293acf3741bd4309d2b/mavafizetijumelo.pdfIn PDF document text
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/dge7jr26ugpggk89jkcpoe5pf9/xogobalixi.pdfIn PDF document text
- http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/wivotezetetaxe.pdfIn PDF document text
- http://colorfulmedia.de/fotki/fotki/file/47331119068.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f005cdf5051700129c3f31168e51ab3c/74124734270.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=what+is+colloidPDF 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_off0000f4a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4A7 | 10124 bytes |
SHA-256: 2b6afe7d7f8b5a0f8c810d8c5eba6ccc7e59b7cb21999c194b7ba59b90006757 |
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font_01_sfnt_off00010b6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B6A | 17020 bytes |
SHA-256: 1480b78cf3628f113fb288dab81b4d71167d0753cbf17617018c09d4570af359 |
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font_02_sfnt_off0001379e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1379E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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