MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of links, many of which point to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The presence of multiple external URIs and link farms indicates a multi-stage attack, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://vanharteyoga.nl/uploads/files/98740903501.pdf In PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd52cd14d4---50159536965.pdfIn PDF document text
- https://phuquiland.com/upload/files/67970539979.pdfIn PDF document text
- http://matkinhantai.com/luutru/files/61456228079.pdfIn PDF document text
- http://dr-onesrl.com/userfiles/files/40187977400.pdfIn PDF document text
- http://www.greddy.com/admin/common/ckfinder/userfiles/File/27341352705.pdfIn PDF document text
- http://herborgthailand.com/file_media/file_image/file/29681718503.pdfIn PDF document text
- https://www.aukuras.org/ckfinder/userfiles/files/84784022363.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9a73bf8cb---13968221582.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/161323162299b7---dikakopegevepopejoturup.pdfIn PDF document text
- http://ternovykh.ru/content/file/64191631173.pdfIn PDF document text
- https://chrmglobal.com/userfiles/file/zitomogixufewosazagipim.pdfIn PDF document text
- http://parfumerieindex.nl/images/uploads/kawozigis.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/nelojoj.pdfIn PDF document text
- http://hanmih.com/userfiles/file/20210911020328.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/da9928bafd1cadc0172db42c3c0df0db/88962211478.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613d64530c3b7---pibudumunoxelofadud.pdfIn PDF document text
- http://bisenzia.it/userfiles/files/66426552150.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161348c4fa7c71---59173483348.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130242dcc6f3---90396264584.pdfIn PDF document text
- http://okfilm.kr/userData/board/file/70646260590.pdfIn PDF document text
- https://europartner2.pl/uploads/86352977152.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/4948417bc822f46fab425e3b647bf79e/6536668115.pdfIn PDF document text
- https://majubesar.org/contents/files/87658457523.pdfIn PDF document text
- https://cardolf.ro/files/28381256464.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=download+next+launcher+3d+shell+pro+apkPDF 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_off0000d1c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1C7 | 17052 bytes |
SHA-256: 6e812f79f81d24a67c91aab74d26aee21d8d0f00f44569b0ef63798cf07c8c54 |
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font_01_sfnt_off0000fe5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE5C | 11072 bytes |
SHA-256: 0104355e3ed10119088612d79622b8132cc776cf61d90059ebbf1f3138d89350 |
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font_02_sfnt_off00011847.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11847 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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