MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised WordPress uploads or disposable hosting, forming a link farm. The primary function appears to be redirecting users through a chain of URLs, likely to deliver a secondary payload or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://iltorg.ru/upload/file/95548146267.pdf In PDF document text
- http://grawerlik.pl/userfiles/file/gekonixivem.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d19f8fb38bf---bulexisijosivojisemeve.pdfIn PDF document text
- http://linker.tw/files/96265763130.pdfIn PDF document text
- http://kappp.ru/js/ckfinder/userfiles/files/95703224508.pdfIn PDF document text
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e26429a84d---42724103958.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/4da6817f4dc0cf7416c1190617c7438a/baterezejisomapiluger.pdfIn PDF document text
- http://banner-ever.com/ckImg/files/wuvaw.pdfIn PDF document text
- https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/26646970866.pdfIn PDF document text
- http://cuanhuaabshanquoc.vn/files/9034147663.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd971c7970---wafakupev.pdfIn PDF document text
- http://washchienluoc.com/upload/file/87448179874.pdfIn PDF document text
- http://sro52.ru/uploads/files/1867125595.pdfIn PDF document text
- http://kutscher-customs.de/gfx/userfiles/files/87682669839.pdfIn PDF document text
- https://mysmartedu.com/uploadimages/files/81904732840.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0b456a478---bepupizozatisojumobomumi.pdfIn PDF document text
- https://hanyauntuktesting.com/contents//files/zimosoruvokanafaxo.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/30gjkcb36011933c319117h6j6/nonibezatokorumin.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b16a58bd29f---bobamusaf.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/gtud2e3rbao8dg67o6c75o69nr/sanaxujaxufipa.pdfIn PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609bdb699a171---5348354827.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610dda77cc8da---datefa.pdfIn PDF document text
- http://ros-grad.ru/fck_editor_files/files/64244610592.pdfIn PDF document text
- http://kapsalonvogue.nl/files/file/97756592810.pdfIn PDF document text
- http://studio5r.com/userfiles/files/55823734383.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=miniature+wire+haired+dachshund+for+sale+near+mePDF 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_off0000e784.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE784 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF96 | 16484 bytes |
SHA-256: 1444774d8664c7b215db24b6b7c16dbadcf15036bfd05709f7b1a86d3da0896a |
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font_02_sfnt_off00012a0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A0D | 10920 bytes |
SHA-256: b241741749897e4ea6cfb81bc5120f54fc22fb771441594b6855284fca559b4c |
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