MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or phishing operation. One of the primary URLs observed is `https://resalured.ru/strik?utm_term=bksb+english+initial+assessment+level+1`, which is likely used to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://resalured.ru/strik?utm_term=bksb+english+initial+assessment+level+1 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4372740/normal_6005fffb801cf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489992/normal_6022827e52d8d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413362/normal_605f0bbfb07c9.pdfIn PDF document text
- https://mimoleratamofip.weebly.com/uploads/1/3/4/5/134500060/falobo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421472/normal_603bc793b5ae6.pdfIn PDF document text
- https://xexifenenufomag.weebly.com/uploads/1/3/6/0/136082553/0f937bb0a.pdfIn PDF document text
- https://ramabubutimelu.weebly.com/uploads/1/3/4/5/134597411/8021497.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387037/normal_5fe1849649d0e.pdfIn PDF document text
- https://lawilutimi.weebly.com/uploads/1/3/4/8/134879912/9a30471bbd40b.pdfIn PDF document text
- https://jobufuxaxaxugo.weebly.com/uploads/1/3/4/8/134854920/8498479.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475861/normal_6064c2f61b536.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4467593/normal_5ffa606bb385b.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://uploads.strikinglycdn.com/files/ce3fce02-f527-4dbb-a414-f3dd353c3ec4/how_to_buy_the_sp_500_index_fund.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d542f70e-5766-4a39-b4a9-2c5c676f8d67/lejapuxanelibana.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9d07b6a3-692f-4fca-9768-bfd586b7d673/40408465594.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/abce2ce9-dedd-443b-9346-3f00ab21264a/rebodo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/62cfdd9f-77fd-4329-a2dd-128faf7a108d/plato_symposium_translated_by_robin_waterfield.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c775ae38-1767-4ff8-93a3-691fada95ad7/jevipipururato.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_off0000f224.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF224 | 5044 bytes |
SHA-256: 4ff6e759cb956ade849a7de2c01529470436601113c17c965c9f73bb5add0234 |
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font_01_sfnt_off00010329.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10329 | 10980 bytes |
SHA-256: d6b5ce44b2d74420a3a665df47a4000592fa5e08e6141fe8c0b59c3955945090 |
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font_02_sfnt_off0001286a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1286A | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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