MALICIOUS
232
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external PDF files hosted on various domains, many of which appear to be disposable or part of a link farm. One URL, https://ttraff.ru/wb?keyword=minsk%20agreement%20pdf, is identified as a known malicious redirector. This suggests the document is designed to lure users into downloading further malicious content or visiting phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://ttraff.ru/wb?keyword=minsk%20agreement%20pdf In PDF document text
- http://files.hornsbyptsa.org/uploads/1/3/1/3/131379434/bomujakurufilo.pdfIn PDF document text
- http://files.lafayetteschoolrestoration.com/uploads/1/3/1/3/131398357/nutuva.pdfIn PDF document text
- http://files.rabbitmountainlavender.com/uploads/1/3/0/7/130738625/futevukumuj_lulamatix_libujuferebetux.pdfIn PDF document text
- http://files.flindersroom4u.com/uploads/1/3/1/8/131857071/37bce30db9.pdfIn PDF document text
- http://files.gardereinitiative.org/uploads/1/3/0/7/130775856/8794139.pdfIn PDF document text
- http://files.spotlightseniorservicesnorthernarizona.com/uploads/1/3/0/8/130813409/b5d2688cbaae7c.pdfIn PDF document text
- http://files.almeria-estates-and-realty.com/uploads/1/3/1/4/131437351/fefozo.pdfIn PDF document text
- http://files.gsskids.org/uploads/1/3/0/8/130873973/korunavo.pdfIn PDF document text
- http://files.savebozeman.org/uploads/1/3/1/4/131408529/80336d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://naxuxeva.files.wordpress.com/2020/07/jisifife.pdfIn PDF document text
- https://banisozix.files.wordpress.com/2020/06/zugogum.pdfIn PDF document text
- https://masinufonowo.files.wordpress.com/2020/07/xeporelolop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fupibi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nakawefefaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gowavofopinesifaremoka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefiwi.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_off0000bf9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF9A | 5076 bytes |
SHA-256: 66840fa53b7a4c775e20c138fea1e762e4f649b424ac21a96e9502866bbac4df |
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font_01_sfnt_off0000d0c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0C0 | 10240 bytes |
SHA-256: 3b675327fbf7e3841058900e08135e9fd7eb0b36a2439c2ca0c6980efdf9a610 |
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