MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm with numerous URLs pointing to compromised CMS upload directories, suggesting an attempt to host or distribute malicious content. The document body, though heavily obfuscated, appears to be a lure related to educational materials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/s96tkr0pnjgej1ur7b3r144sqb/67582759742.pdf In PDF document text
- http://assushop.com/userfiles/assushop.com/file/vejakugalilugazovit.pdfIn PDF document text
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/djsu3fnobs2u4ltakbmahr5d20/79192086920.pdfIn PDF document text
- http://arniestribu.com/campannas/file/83071336462.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607abb4c09e9e---finefefasitibukop.pdfIn PDF document text
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/c8d7b5a02347b31c84454d805e670415/xarutijikebatoxopofutaxal.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/u826pj5ggss6ooaeemagqthi36/gupawagus.pdfIn PDF document text
- http://tubietelbar.hu/uploadfile/31553115417.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1609033eb35456---neneligoxo.pdfIn PDF document text
- http://africa-emergence2019.com/userfiles/file/wuxefozujiwutibeto.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160711b784b028---2530309946.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/juvujekezusibe.pdfIn PDF document text
- https://sp-pir.ru/wp-content/plugins/super-forms/uploads/php/files/fe2824d3c3630bdd8c828b09b0176eaf/xipezubebivilefimifodone.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/83ccf68b75329ec23198be76e778665a/78776207171.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/fa6ffd1c0461b4543eb02bf6eb092c6c/foxixujofigisodiripora.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/5359399484b2718a7c72f343aaa0877e/84196083659.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=maths+exercises+for+grade+1+pdfPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC72 | 5508 bytes |
SHA-256: b4fdf7334a2f17b32f5bf4a037fa9bf18f8d58300a1e3aa9a34f4936cc0312d0 |
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font_01_sfnt_off0000ef46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF46 | 9580 bytes |
SHA-256: 5685ad183341957419e58e7816194d92d1c06cb438d7472e4e5b2f5e6fd64ef6 |
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