MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically related to phishing. The embedded URLs are likely part of a link farm designed to manipulate search engine rankings or redirect users to malicious sites.
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://leonvi.ru/strik?utm_term=is+helio+p90+good+for+gaming PDF link annotation
- https://vunisanege.weebly.com/uploads/1/3/0/8/130813420/7751718.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4502870/normal_6051e96909591.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477162/normal_6040ab43bfc3c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484820/normal_6034d5a25ddcc.pdfIn PDF document text
- https://tonituligavu.weebly.com/uploads/1/3/4/8/134884188/861905.pdfIn PDF document text
- https://rafutukeri.weebly.com/uploads/1/3/1/4/131453201/vojuxewu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484633/normal_5feaf28d17e07.pdfIn PDF document text
- https://webesetumisurut.weebly.com/uploads/1/3/4/3/134318687/3207292.pdfIn PDF document text
- https://vunisanelebori.weebly.com/uploads/1/3/3/9/133999195/1d2c20fd9b5.pdfIn PDF document text
- https://vuminuzatadabem.weebly.com/uploads/1/3/4/3/134311796/tenexa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496571/normal_5fe31c77d12d6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371013/normal_604a14a257c8e.pdfIn PDF document text
- https://suxavumopej.weebly.com/uploads/1/3/3/9/133999634/tewumolagizalezup.pdfIn PDF document text
- https://mexepuxirubu.weebly.com/uploads/1/3/4/6/134663189/xatebowadiju.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://300a1258-3b13-45f7-80b9-bd8966f45320.filesusr.com/ugd/81888a_a55636fee32b4c8ab914af2518bf3812.pdf?index=trueIn PDF document text
- https://51f47fa2-20f7-4ec4-bb91-8ae4aee689b4.filesusr.com/ugd/917232_d9239fbe3b964ec1a1579146b02d7669.pdf?index=trueIn PDF document text
- https://0502d5d0-a0f5-47b8-bc1c-644c46e4e431.filesusr.com/ugd/6cabbb_7b46809e82264f2a9e431e32c42d2af9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a88eb6de-0bc1-4f02-8153-b32bd9e77749/nuance_power_converter_crack.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c91765a-dad2-4392-907e-d2800331806f/how_to_clean_your_water_cooler_dispenser.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6ddae555-c084-40b9-834e-adbdcbc32b74/vusifezuvenet.pdfIn PDF document text
- https://5ce19dfa-329f-495d-88d1-e1e7834d9072.filesusr.com/ugd/d902bb_ceb300119feb46a8993e2ab724cf1d71.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_off0000f321.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF321 | 5692 bytes |
SHA-256: b35ac72578032a590e90aa390cd357bb6a76b09acbaabb22e973f44542cc9dc9 |
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font_01_sfnt_off00010652.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10652 | 11376 bytes |
SHA-256: 406a1322e643abfc90212d6607e647809a8076bd90b49e642e2db14323f8a6f2 |
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