Malware Insights
The PDF file contains a link farm and a specific malicious redirector URL, disguised as a free download for AutoCAD software. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that the link at https://ttraff.ru/pify?keyword=introduction+to+autocad+plant+3d+2020+pdf+free+download leads to known malicious infrastructure. The PDF_SEO_LINK_FARM heuristic indicates the document is designed to host numerous external links, likely for SEO manipulation or to distribute further malicious content. No scripts were extracted, but the presence of a malicious redirector and a link farm strongly suggests a phishing or malware distribution attempt.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=introduction+to+autocad+plant+3d+2020+pdf+free+download
- http://files.marysalter.com/uploads/1/3/1/0/131070786/6165990.pdf
- http://bolekagi.visitdvcc.org/uploads/1/3/1/0/131069934/golijowowade.pdf
- http://files.dreadfullocksct.com/uploads/1/3/2/8/132816195/fa0cf5aa625.pdf
- https://cdn.shopify.com/s/files/1/0441/3744/7576/files/xujizubazo.pdf
- https://cdn.shopify.com/s/files/1/0431/5525/9546/files/76273905625.pdf
- https://cdn.shopify.com/s/files/1/0430/3316/5986/files/jemimajonupunotaw.pdf
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/93037608331.pdf
- https://cdn.shopify.com/s/files/1/0431/2635/8173/files/jutobujojesosumaziwo.pdf
- https://cdn.shopify.com/s/files/1/0440/1987/5998/files/kudifuforunuv.pdf
- https://cdn.shopify.com/s/files/1/0433/7162/6659/files/38428483387.pdf
- https://cdn.shopify.com/s/files/1/0436/9701/2890/files/93425572079.pdf
- https://cdn.shopify.com/s/files/1/0434/7461/6472/files/24795796660.pdf
- https://cdn.shopify.com/s/files/1/0431/6607/2994/files/82098873740.pdf
- https://cdn.shopify.com/s/files/1/0433/8476/6620/files/74325153164.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_off00006ac0.bin830bcc042ad55e2512074e563fb6e3ed533d7e7be300ccb202295e1cdcec4789 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AC0 | 5436 bytes |
font_01_sfnt_off00007d62.bin519539d67d37d2bcade603aec0f95483c8740a972433fac513a4a3593848f61d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D62 | 10768 bytes |
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