MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of embedded links, with at least one pointing to known malicious redirector infrastructure. The document body appears to be corrupted or heavily obfuscated, preventing a clear understanding of its specific lure, but the link farm and redirector suggest a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/strik?utm_term=hp+officejet+6700+premium+printhead+missing In PDF document text
- https://cdn-cms.f-static.net/uploads/4416660/normal_604fb0e4413f2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379477/normal_6043589a2d31e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495974/normal_5fe41987d1d25.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412382/normal_6054fbfcc7c39.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482002/normal_600671657686b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482418/normal_605036f5bb8e4.pdfIn PDF document text
- http://pokezokebawi.mygamesonline.org/42218059333.pdfIn PDF document text
- http://pugaxosojusi.22web.org/amore_e_psiche_testo.pdfIn PDF document text
- http://vexetifiridik.mypressonline.com/68608465444.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450641/normal_5fffa1a14d342.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387232/normal_605b51fac2a1c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4461511/normal_5fe6613a0aa9b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383308/normal_5ffffac36e8a1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465145/normal_60595ccd41006.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pazoluno.epizy.com/coombs_test_interpretation.pdfIn PDF document text
- https://5c71d6b4-13b5-43a2-97a4-9a0eba4d0f4d.filesusr.com/ugd/0f1814_4576fba4d7dc4612b056e85137c9c6ac.pdf?index=trueIn PDF document text
- https://b585a76b-fab5-4024-b0d2-f3ad95444197.filesusr.com/ugd/404203_d911756d5b294556b67b104a0efdf7f6.pdf?index=trueIn PDF document text
- https://502f924d-676a-41b3-8220-87c01882f600.filesusr.com/ugd/5a20bb_8e4da1b0d3d5465e84e651a783347dce.pdf?index=trueIn PDF document text
- https://8ecf7690-1f99-4e28-a4b6-3228ba9731d7.filesusr.com/ugd/63d3ad_8905a2f497a44292b0eccbf9bbff1e56.pdf?index=trueIn PDF document text
- http://futebowa.atwebpages.com/cscmp_supply_chain_management_process_standards.pdfIn PDF document text
- http://doxefozogad.epizy.com/15194684387.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_off0001061c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1061C | 5952 bytes |
SHA-256: bfd402e4d448f7a62d7c8e82ba294e749405c71b4b55dcecbae9a6a1daa82841 |
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font_01_sfnt_off00011a46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A46 | 11568 bytes |
SHA-256: 79d7351493c399085c2e6ceccd93a29e9e64a679f48f57788373d2fd50afbaed |
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