MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document functions as a link farm, directing users to numerous external websites, including a known malicious redirector at 'https://yafferge.ru/strik'. The presence of multiple links on disposable hosting and the ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicate a phishing or malware distribution attempt. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
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=does+acer+chromebook+14+have+touch+screen In PDF document text
- https://gexuganogos.weebly.com/uploads/1/3/0/8/130813630/7129925.pdfIn PDF document text
- https://bepizapumi.weebly.com/uploads/1/3/5/3/135349865/0566b0e3e9a.pdfIn PDF document text
- https://fikijumosoliz.weebly.com/uploads/1/3/5/4/135400707/7405803.pdfIn PDF document text
- http://figupatofewox.iblogger.org/69259926718.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382948/normal_5fe3b54a2a1be.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370307/normal_5ff25d07d89b4.pdfIn PDF document text
- https://tojewenegekov.weebly.com/uploads/1/3/4/5/134502344/ralisomoso.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404725/normal_60110680e41c8.pdfIn PDF document text
- https://bewulikafujisew.weebly.com/uploads/1/3/5/3/135326730/732cc16b6b7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495551/normal_6015852715798.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454973/normal_5fd6236e59a81.pdfIn PDF document text
- https://tatogupuragafa.weebly.com/uploads/1/3/4/0/134096405/sabodafosanufela.pdfIn PDF document text
- https://banafovogakake.weebly.com/uploads/1/3/5/3/135326552/wenemuna-mafojituv.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469643/normal_5ff9f492986e1.pdfIn PDF document text
- https://radufogerexe.weebly.com/uploads/1/3/4/2/134265868/7703085.pdfIn PDF document text
- https://rasegopejut.weebly.com/uploads/1/3/4/3/134317160/4651873.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393179/normal_5fdd7a435783b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/sixenogafopoj/xbox_360_s_with_kinect_manual.pdfIn PDF document text
- https://s3.amazonaws.com/loneminovu/misupopanavig.pdfIn PDF document text
- https://s3.amazonaws.com/wopari/fipibarunit.pdfIn PDF document text
- https://s3.amazonaws.com/fukepez/12395879287.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC86 | 5244 bytes |
SHA-256: e3f56cb4244700d400d0c2bea073d64673451af20fb024bf0abb75aab8270f71 |
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font_01_sfnt_off0000fe46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE46 | 10600 bytes |
SHA-256: a05682475f5440493b04d5c617a04666660a843b4d9eb2dd9aad668b0cb032c2 |
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font_02_sfnt_off00012294.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12294 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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