MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains text fragments including 'Telegram spam bot' and the malicious URL, suggesting a lure. The presence of a large number of external PDF links, many pointing to Shopify, indicates a link farm designed to obscure the malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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=telegram+spam+bot In PDF document text
- http://files.klodtap.com/uploads/1/3/0/8/130814254/4818312.pdfIn PDF document text
- http://files.danathebird.com/uploads/1/3/2/7/132712508/2067770.pdfIn PDF document text
- http://files.whiskeybenttradingco.com/uploads/1/3/0/7/130740175/wexupi_sufolulobewid.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/1/0431/5794/6522/files/dalepe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3551/6318/files/50189059211.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0197/0837/files/detedotekilapuli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4356/1376/files/winanokawakixapinimima.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4027/6642/files/70535820505.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9179/6902/files/14335635766.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5525/9560/files/mimadarofam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7826/2692/files/39225339280.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5039/2984/files/30677569640.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0942/6079/files/70744301236.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8537/3333/files/wotupukarajinuwobin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8793/7179/files/87986622379.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3140/2395/files/zudigalomojir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3410/7286/files/27169652571.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007247.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7247 | 5228 bytes |
SHA-256: 5cbdde9b91d3fff5a0fba8022bf365973c426bde19343f8a50cfeb4ca9ee38c5 |
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font_01_sfnt_off000083ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83EE | 3348 bytes |
SHA-256: be4a4ae72981eefee292fc35634f8bc127c872c95327cdd41f673bb5066241e2 |
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font_02_sfnt_off0000912a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x912A | 12144 bytes |
SHA-256: 76e1f274d935fbc5bd83e0e237b95d35b20f756af1aae5ea4279a9bca5132aeb |
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font_03_sfnt_off0000b898.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB898 | 16296 bytes |
SHA-256: abc1f89024844201b52cb14487611dbdf17c738e0f81c55c6c9b301f405a1857 |
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