MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ML classifiers and ClamAV, with multiple heuristics indicating it's a link farm on disposable hosting. The embedded URLs, such as 'https://ponafet.ru/award?keyword=case+study+master+thesis+pdf' and 'http://egrn-order.online/63393467894j5pi.pdf', are likely used to redirect users to malicious content. The document body, though heavily obfuscated, contains metadata suggesting it's a PDF generated by wkhtmltopdf, and the presence of numerous external URIs points towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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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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/award?keyword=case+study+master+thesis+pdf PDF link annotation
- http://egrn-order.online/63393467894j5pi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375071/normal_5fe283d2ea822.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374708/normal_600f870e2c2ab.pdfIn PDF document text
- http://chisto-chisto52.ru/how_to_change_health_o_meter_from_kg_to_lbser2r4.pdfIn PDF document text
- http://chemistryplus.space/359135842718fy2v.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370071/normal_5fdd2626bf4a8.pdfIn PDF document text
- http://dimax-matrasy.ru/tecnologia_de_informaoua6v2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464529/normal_6046284a1dc45.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393348/normal_6008ec4d03980.pdfIn PDF document text
- http://meetchat.space/tiktok_followers_no_human_verification_or_survey_2020w5yw0.pdfIn PDF document text
- http://dk-inc.xyz/olevia_tv_model_lt26hvx04bja.pdfIn PDF document text
- http://trelon.fun/jjba_steel_ball_run_all_standsqe6jf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373261/normal_602987698730e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370309/normal_602369cae0dd9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393644/normal_5fc9e1c015b2b.pdfIn PDF document text
- http://itdiscounts.info/retaduwiwefugitutijazuzzafai.pdfIn PDF document text
- http://jobs-ingenieur.best/how_to_rehab_strained_shoulder11zu5.pdfIn PDF document text
- http://bestita.space/625004279527tewh.pdfIn PDF document text
- http://uptodate.site/pamojixoroak5pd.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/2de1d6ea-002d-48d0-8e2b-74f9176a3f47/1999_ford_ranger_manual_transmission_fluid_type.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a58ec0f8-6636-4444-96e7-5b9098ff0e9f/7328862589.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/898eb423-0e87-4f0d-923e-a43521b74cfd/fujumaj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c6659f95-995b-4995-b42b-83c9c71cdee4/eventide_space_presets.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1e613d1c-14f3-4762-807e-eda82d431c00/bijirovexodezi.pdfIn 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_off0000e821.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE821 | 5256 bytes |
SHA-256: aea6cb81d0fcf2281f6f04fe40b0d0dfc6fa2ae4691440867d68e355c24a5c10 |
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font_01_sfnt_off0000f9da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9DA | 10556 bytes |
SHA-256: f3385df5530bee306e82ec2bdb25e0596686e7da67ffd94be93037d6d1d12fbe |
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