MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to 'casus belli magazine pdf download', suggesting a lure. The ML classifier also strongly indicated maliciousness. The PDF appears to be part of a link farm, with many embedded URLs pointing to Shopify, likely for hosting the malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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/pify?keyword=casus+belli+magazine+pdf+download In PDF document text
- http://files.machikweekend.com/uploads/1/3/1/0/131070579/4757802.pdfIn PDF document text
- http://files.christinamariecaruso.com/uploads/1/3/1/4/131453146/5e0a3172031a29c.pdfIn PDF document text
- http://files.magneticislandyoga.com.au/uploads/1/3/1/4/131454567/bevevawudixatuwezoz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0979/4463/files/zozivefovala.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9465/4632/files/nibiditasefajofum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6314/8706/files/84772771116.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6962/6781/files/46493454777.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7709/8915/files/rijidugopanef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3882/6918/files/namagozamiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30812088679.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1407/9143/files/lewiwidaxojuse.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7420/7387/files/webarikabojimegakepugiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7747/4206/files/16237395843.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005f9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F9E | 2988 bytes |
SHA-256: f244152f1735ecea2e0015db16f4eec7c19935d3b03785c1fb693a5a6caaf07b |
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font_01_sfnt_off00006a4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A4E | 5372 bytes |
SHA-256: f6e5bf7eb08126db4f6a7ca0860e9b7b5e473d208a08279b55c3da29d716fe12 |
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font_02_sfnt_off00007c8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C8C | 3340 bytes |
SHA-256: 1c1c552e9ab42bec638f22dacbac50243542ffea81af416714c25e410bf34f27 |
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font_03_sfnt_off00008a07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A07 | 10060 bytes |
SHA-256: 142444893cab025b4b1d40bacd00b6ddafbf23c4b15df47810257b143e22334a |
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font_04_sfnt_off0000acac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACAC | 16616 bytes |
SHA-256: eb49df985c863db098e5748d60751e0bdf461ae071a7d58dcfe3683d2a7c527c |
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