MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with one identified as a known malicious redirector (ttraff.ru). The document body, though partially corrupted, includes the same URL and references a book summary, suggesting a lure to entice users to click. The presence of numerous Shopify-hosted PDF links indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the true destination. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=ronald+takaki+a+different+mirror+chapter+1+summary
- http://files.circlevillebands.com/uploads/1/3/1/6/131637881/585251.pdf
- http://bavuli.personalpilatesma.com/uploads/1/3/0/7/130739235/d91eb7bf6b.pdf
- https://cdn.shopify.com/s/files/1/0433/3630/2750/files/mumuderazunexinuxonuxe.pdf
- https://cdn.shopify.com/s/files/1/0433/6517/1354/files/autoit_for_selenium.pdf
- https://cdn.shopify.com/s/files/1/0432/5015/5688/files/lowimezedesagubogoj.pdf
- https://cdn.shopify.com/s/files/1/0430/3273/9989/files/bidopiroxekapivi.pdf
- https://cdn.shopify.com/s/files/1/0431/6990/6844/files/20307001560.pdf
- https://cdn.shopify.com/s/files/1/0432/6601/5395/files/86484902992.pdf
- https://cdn.shopify.com/s/files/1/0462/2601/4362/files/84865196907.pdf
- https://cdn.shopify.com/s/files/1/0431/3006/0955/files/16968655780.pdf
- https://cdn.shopify.com/s/files/1/0430/7743/5556/files/honda_small_engine_repair_manual.pdf
- https://cdn.shopify.com/s/files/1/0435/6594/0904/files/kulimimosafubujile.pdf
- https://cdn.shopify.com/s/files/1/0431/2127/9137/files/retovujujasisaluwis.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006fdb.bincb6a1f07736709e6271a16f5824e871f5bca7b5e4b27457d1756b31cbb734b43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FDB | 5620 bytes |
font_01_sfnt_off000082de.bin6aeba315bab44486033cda97b9dc22e296af2f07b6d9729480b619bbbd364712 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82DE | 10040 bytes |
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