MALICIOUS
284
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document contains a large number of embedded URLs, many of which point to disposable hosting and are likely part of a link farm designed to distribute malware or conduct phishing. The document also attempts to lure the user into installing remote support tools, which is a high-risk activity in unsolicited documents. The presence of multiple malicious redirector links and a critical ClamAV detection further solidify its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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://traffine.ru/123?utm_term=fireguard+test+study+guide In PDF document text
- https://zazalefofano.weebly.com/uploads/1/3/4/5/134578352/7617668.pdfIn PDF document text
- https://nijomusuvul.weebly.com/uploads/1/3/4/6/134671469/8efc74064ae1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381098/normal_5fa921dba0ea2.pdfIn PDF document text
- https://xusopurepaxa.weebly.com/uploads/1/3/4/1/134108567/078401b4f5e.pdfIn PDF document text
- https://jesufapupu.weebly.com/uploads/1/3/4/7/134764637/zujatewejawu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379222/normal_5f8d27bd74232.pdfIn PDF document text
- https://gejeximiba.weebly.com/uploads/1/3/4/8/134897602/xonularefixakokarude.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444644/normal_5fd77a944e50d.pdfIn PDF document text
- https://fojifipavubi.weebly.com/uploads/1/3/4/6/134618349/wimak_rorerenosudu_xivafedu.pdfIn PDF document text
- https://tevuvusit.weebly.com/uploads/1/3/4/3/134373155/vizekureme.pdfIn PDF document text
- https://gozerezujokosas.weebly.com/uploads/1/3/4/8/134856803/marojijiwoxibivizadi.pdfIn PDF document text
- https://lotogifivetizub.weebly.com/uploads/1/3/4/3/134309957/6f9b16cef8c5a2b.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/9661868b-cd84-4374-9b47-abf6efca7955/xapukusixusujebemim.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/28183ee8-452d-4a0b-b0df-63d4171bbdd0/porto_caucedo_republica_dominicana_m.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_off0000e0eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0EB | 5020 bytes |
SHA-256: 8d1f206205761d1bcf5a261bd8d0d350c5119d5d036660b7c5cd5ad889725dc8 |
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font_01_sfnt_off0000f217.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF217 | 10676 bytes |
SHA-256: ded9446d94959d04741a1592919be8b98230aa9109d52ea3a5ad65b80f4dc708 |
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