MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple links to external websites, many of which are hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely a phishing or malware distribution scheme disguised as a software download. No scripts were extracted, but the presence of numerous suspicious URLs points to a social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/q5uv31riqk1tr5tj6tngq3p6ii/51468586022.pdf In PDF document text
- https://medprobr.com.br/wp-content/plugins/super-forms/uploads/php/files/fe1ac25b40f0aa2a5050fb2c951711f1/losumozuv.pdfIn PDF document text
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/89fd15bf9ac2462ca9704c2fc393f308/59707069576.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/orobj3gefga8uaogrvnh5fhi0c/71667835136.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160919eef79f8f---6535219493.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d27600259e---90296224030.pdfIn PDF document text
- http://spreewaldatelier.de/img/editor/file/59083404310.pdfIn PDF document text
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/htvccs8hh5gnhi68ta43g2ntul/8783741785.pdfIn PDF document text
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/2f66d15909804adbbaae9423402727cc/74027343564.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/33e1ba289ac460e0e2f2e676da791def/fidavulenu.pdfIn PDF document text
- https://paklya.su/design/img/upload/file/46923729021.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/ea994a27cab60592610d16c755b8a79d/83463872831.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=java+jre+10+32+bitPDF 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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d36f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD36F | 4796 bytes |
SHA-256: ef97ff9308539e0dbe05d383a1c44282793d39e56cee6533b11cd6202ade22c2 |
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font_01_sfnt_off0000e3d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3D5 | 20964 bytes |
SHA-256: 3e162631d7eb94f7ea283fa93d1a032be72b14f7b0384bf619e57a1f3d469fd2 |
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font_02_sfnt_off000113a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113A7 | 16060 bytes |
SHA-256: 2d97eb5b8c66583654a55461b75ebc9d5954fe3bb26bfbf5761d5bfdae6bb250 |
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font_03_sfnt_off00012838.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12838 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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