MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and appears to contain metadata rather than user-facing text.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://cructi.ru/uplcv?utm_term=inochi+no+namae+violin+sheet+music PDF link annotation
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/blgjoje12g3pag3m0h1s0qleob/sowexadejiguvi.pdfIn PDF document text
- http://jnnycc.org/userfiles/file/13486376421.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab796e0b72---tutowikisoboduge.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a2900318549---82784765096.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/u8dc5ociq58ppr2ea2hcob0lbt/87072895815.pdfIn PDF document text
- https://hyundainhapkhau.vn/upload/files/42454187358.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7f9d4559d---69965954069.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/202mtlvr4l95ngilic5qhci0gh/47458255260.pdfIn PDF document text
- https://bevelec.com/bevelec/dossierMois/file/ferodaxe.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607309594ea69---2020109447.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609100db97566---41022347657.pdfIn PDF document text
- http://reicar.dk/userfiles/file/mavixofawipumiru.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/61eae5cec7b92d51637538fe4bbe1175/83021403256.pdfIn PDF document text
- http://www.hydro-tg.pro/upload/file/zinafupuxovakuvewisumij.pdfIn PDF document text
- https://meesens.be/KrMee/Tekstverwerker/lofefojeparuwosu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c3da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3DA | 7560 bytes |
SHA-256: 834e4a8f5f164537d45fd21e2c994e9c77150b7b19b43615c38345d3c062f6a4 |
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font_01_sfnt_off0000ddac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDAC | 4940 bytes |
SHA-256: 8f21879447c719bfe9d1310655299fa0be79540207942bf5e773495f0925bfa0 |
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font_02_sfnt_off0000ee52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE52 | 1800 bytes |
SHA-256: 51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0 |
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font_03_sfnt_off0000f6e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E0 | 11388 bytes |
SHA-256: b7b1864056ba3438be4fd672a9ebbe7759401655951d44e5b4162f33986bcacf |
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