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 as malicious, including a machine learning classifier and ClamAV. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories and other disposable hosting sites. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://oniceh.ru/uplcv?utm_term=compound+sentence+and+complex+sentence
- http://classicalgardenornaments.com/uplds/file/31264419960.pdf
- http://szakkepzosiklos.hu/upload/file/4545549460.pdf
- http://ecandrychow.pl/Image/files/2523001221.pdf
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/0052c50046f7fdf677fdeb978df69a78/91642580853.pdf
- http://bradleyhillsapartments.com/demo/uploads/contents/file/40994049033.pdf
- http://metamorfoza-krosno.pl/userfiles/file/rejupodoxiwemirunoraw.pdf
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bf0615123d2---puwosel.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607201f05c5bf---xeroxitip.pdf
- http://vogiantinhmach.com/media/ftp/file/wifovuzenetoniliwab.pdf
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/3832e5ce964e867d4ec457118b2ec429/46551669431.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/d908aef36ec068113a44586722dd6f24/mevofujopurakozizo.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/18e1pr1hod7drniq7ohbrfg1v3/219278319.pdf
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/373d3b20ac46d87caf0f34799e08a5b5/13491341577.pdf
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/e0ff6bf45a785eecdcb24d38ab322848/72749981400.pdf
- http://vizesblokk.hu/files/file/nutipupasisitin.pdf
- https://cottonweb.net/userfiles/file/weruranufamiradodirotupa.pdf
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/3774231b1da1c92c6d91431bfd526d67/wadepaj.pdf
- https://actorconseil.com/files/file/19527246488.pdf
- http://dmhu.eu/uploads/uplib/file/29909501429.pdf
- https://svingenieria.cl/userfiles/file/lazuvubovadodabutuvimepov.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608701b94e551---16918814387.pdf
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/4dc3bd6dd5296ed6cdd00bef25d5524f/11981306476.pdf
- http://phunhai.net/upload/files/figuzomapoxoxuzud.pdf
- https://angkortaxiservice.com/userfiles/file/zinufedalik.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f15b.binc7c9327b44369d32977f9db8ffd8f3ab2fb851093dae32b20ef0d028152b1d85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF15B | 10716 bytes |
font_01_sfnt_off00010a02.bind233ed083f14e9507be9104bb81294600aac996aa82be88f5bf6e9f16179f8e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A02 | 16808 bytes |
font_02_sfnt_off00013572.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13572 | 16792 bytes |
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