MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable hosting, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, contains strings related to wkhtmltopdf and a date, but the primary malicious activity appears to be the redirection to external URLs, likely for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://ponafet.ru/strik?utm_term=the+case+for+a+creator+movie PDF link annotation
- https://dudulisatosix.weebly.com/uploads/1/3/1/6/131637211/9295784.pdfIn PDF document text
- http://sivadozulov.iblogger.org/13110564839.pdfIn PDF document text
- https://tigibivimibi.weebly.com/uploads/1/3/4/3/134344299/519b68d95.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419001/normal_6061ea4d96dec.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451755/normal_60051f987d559.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447884/normal_602f332c3ec08.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408704/normal_6046acdc1a447.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4528260/normal_600ddd7decd7b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470977/normal_5fe2f2055c171.pdfIn PDF document text
- http://pexawegowe.mywebcommunity.org/blanching_vegetables.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446280/normal_604b2628e5267.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://ruzofugeru.myartsonline.com/que_es_una_ancdota.pdfIn PDF document text
- https://98e80eac-0673-4bf9-a3de-4132461903b3.filesusr.com/ugd/1acd69_02a80a5dcc33409ebd0136972da98694.pdf?index=trueIn PDF document text
- http://vevasog.epizy.com/designing_brand_identity_alina_wheeler_download.pdfIn PDF document text
- https://318abaa7-a496-4882-a5ef-186b1d719b20.filesusr.com/ugd/ff2e65_4c6eaab30a9e4cdcaa16121f08d79a69.pdf?index=trueIn PDF document text
- http://wonilosimup.rf.gd/nazafaditobudofi.pdfIn PDF document text
- https://44407f20-7244-4107-9544-84d8151b6f9a.filesusr.com/ugd/8508de_aab0d86033a54db98e35c87cfd6eded2.pdf?index=trueIn PDF document text
- http://sojoramuf.epizy.com/septic_arthritis_pediatric_guidelines.pdfIn PDF document text
- https://d12e84a0-9808-45da-82c6-613dfe540d1b.filesusr.com/ugd/dc8a8e_051ef029015f4977b5c40deca7b0b311.pdf?index=trueIn PDF document text
- http://najaxobefirag.epizy.com/aace_diabetes_guidelines_executive_summary.pdfIn PDF document text
- https://eff7b67d-fef5-45b7-bcd6-ffb1b71d3a14.filesusr.com/ugd/b4c9df_af8676f794b54492ae2fd944e7c59e5f.pdf?index=trueIn PDF document text
- 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_off0000f161.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF161 | 5100 bytes |
SHA-256: e9b0b6421d98945f3b4a0e5c7437dcca5c6520838eddaaddc2b0da61f7bbd4f7 |
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font_01_sfnt_off00010294.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10294 | 11232 bytes |
SHA-256: f9f9f3ab46957ad40d5d125407b88fe6eaf01d3d0efa988791726e8ac8d02b3d |
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