MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document functions as a link farm, presenting itself as interview questions to entice users to click on embedded URLs. The primary URL, 'https://yafferge.ru/wix?keyword=ritz+carlton+interview+questions+and+answers', redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document contains numerous links to disposable hosting, suggesting an attempt to obscure the final malicious destination and evade detection.
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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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/wix?keyword=ritz+carlton+interview+questions+and+answers In PDF document text
- https://zinimokukaz.weebly.com/uploads/1/3/6/0/136053997/4bf04151f0.pdfIn PDF document text
- http://ibkreactiva2020.com/famine_affluence_and_morality_audiofo6uj.pdfIn PDF document text
- https://futixaxez.weebly.com/uploads/1/3/4/5/134516919/7658829.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4479226/normal_5fdd9ce9bd555.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456728/normal_601384211e74d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407991/normal_60265c10ee87d.pdfIn PDF document text
- http://randname.ru/pamuminofavawlsisl.pdfIn PDF document text
- https://gususofutuzur.weebly.com/uploads/1/3/4/9/134901105/wixanu_wefavubebula_vimade_xawonalul.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6fd4412c-3e6e-4f21-a9af-8137ffc6c0d9.filesusr.com/ugd/03469c_c9acab45ed4f461e80b781b80d611669.pdf?index=trueIn PDF document text
- https://5cbbff6b-7c47-4fbb-abda-9de5069fbc88.filesusr.com/ugd/1a89c8_5db77fa6c0544efda1fa5b09c0656105.pdf?index=trueIn PDF document text
- https://69a21580-3c80-4f81-8097-1ec0bc18215d.filesusr.com/ugd/bd7df1_e6b61a856ea047758704f487150c17e3.pdf?index=trueIn PDF document text
- https://19004eff-8f5e-45b0-b15a-9fbdbd99e39d.filesusr.com/ugd/578ea4_7b7d9b5a3b9f40189078a733c46eb25c.pdf?index=trueIn PDF document text
- https://510b81f6-be4e-4e40-9acf-3f60af495837.filesusr.com/ugd/5f226b_23ed9df6f99c41ac8f23439c3b4f6ad8.pdf?index=trueIn PDF document text
- https://4b523d79-2bc6-404f-8e52-0acae4d2cb03.filesusr.com/ugd/fe1b41_42f8284e69be454380df9c70759e56b9.pdf?index=trueIn PDF document text
- https://37bcb4aa-7747-4ff6-a352-0e22bf983c21.filesusr.com/ugd/4393d3_fcbbe6fd184c4e7391ae228075aef135.pdf?index=trueIn PDF document text
- https://6440a9f6-5e82-4153-977b-4ffe9374ec4a.filesusr.com/ugd/7182f3_4eae173c520a4b20bdf63a3a653dffac.pdf?index=trueIn PDF document text
- https://fb7bf4c5-056f-4058-a7d1-073478569b53.filesusr.com/ugd/d90490_2f4bfcd1407c4cd1a2799621828c2142.pdf?index=trueIn PDF document text
- https://b6c9d0de-81a1-4db9-ab7d-8a95af9e63d6.filesusr.com/ugd/b28ae2_5fce64cc686e4a5a8d72ba4c168b274f.pdf?index=trueIn PDF document text
- https://299bc67c-4c9a-44ea-852c-18f2d39dca40.filesusr.com/ugd/954c8b_fb30beb6e65b4d0f9b233edbc9650d37.pdf?index=trueIn PDF document text
- https://091a8774-b5bd-4fb7-8799-8d1ca0ca44ad.filesusr.com/ugd/8716ab_d95f7835e48741c4baa5c005c33b62f7.pdf?index=trueIn PDF document text
- https://03df18d0-0a94-4077-8b44-1f3cf8b7c870.filesusr.com/ugd/23a6c3_bd4bd2456fc6460cb0009833fe68a854.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_off0000f98d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF98D | 5268 bytes |
SHA-256: d0dd25a88df8c0f9f408753d4014b88673150c8a8238b5de4ba105a933459bf9 |
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font_01_sfnt_off00010ba4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BA4 | 10440 bytes |
SHA-256: a6972a60a5dc4d0542f43733535f9190f4f1e083cedca2304aa7068ed49d439c |
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