MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains embedded links that redirect to known malicious infrastructure, specifically a URL on 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to an 'audit report' and the URL itself, suggesting a lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy to distribute malicious content. No scripts were extracted from this sample.
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=qualified+audit+report+pdf+2020+19 In PDF document text
- http://sirar.my-minis.com/uploads/1/3/0/8/130813612/ronojujokuge-lobebiduridif-xijupekonorilak.pdfIn PDF document text
- http://files.cmcedmasters.com/uploads/1/3/0/9/130969061/525e4c939a3.pdfIn PDF document text
- http://files.fcapc.org/uploads/1/3/1/8/131871424/9297451.pdfIn PDF document text
- http://xuduwug.thecastlespa.co.uk/uploads/1/3/1/4/131483281/tibaxirar.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8872/2597/files/zaxotu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5422/7871/files/nokovexazokijipuporaviru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8026/0511/files/96328817680.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7462/4419/files/pozediba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3519/7602/files/7188260797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9493/3665/files/xameviramebogugulax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5244/9435/files/wibidenimapebupakujasimi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4169/2570/files/73553236006.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9360/6048/files/28028446932.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3075/8054/files/mefutiditivedijatusomukuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5667/7543/files/10488567306.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9826/8065/files/zidedomakutularowixu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9163/9966/files/logitech_harmony_linux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9258/2293/files/pevuli.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d353.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD353 | 5400 bytes |
SHA-256: a7fe9435ea15ac6b0d3ac001e5ad115caae2ec8f8af7e090f11b74159547b245 |
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font_01_sfnt_off0000e5b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5B8 | 7072 bytes |
SHA-256: 34929d59918f42f347d4da971f1910b1258e3ebbf41cd767f54bd509557200ac |
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font_02_sfnt_off0000f8c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8C6 | 10868 bytes |
SHA-256: 64d8564c8473db55806ad40c6e552294191337cb63b34224d723623e500b364b |
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