MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, directing users to a URL that appears to be part of a link farm. The document body, though heavily obfuscated, contains the same URL and a search query for 'burlington english software for free', suggesting a lure to download potentially unwanted or malicious software. The PDF also contains numerous links to Shopify-hosted PDFs, likely part of an SEO manipulation scheme to increase visibility.
Heuristics 3
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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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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=burlington+english+software++for+free
- http://rudirag.ryankarr.com/uploads/1/3/0/8/130813834/3a8a5d167.pdf
- http://kotovosaz.shopsatuniversitysquare.com/uploads/1/3/2/7/132740564/f072e3c85a1b.pdf
- http://nupixidi.building-understanding.org/uploads/1/3/1/4/131454065/kufute-pelezugiroboguj-murigipoji.pdf
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/download_r_for_mac.pdf
- https://cdn.shopify.com/s/files/1/0435/5702/7992/files/psc_marksheet_2018_comilla_board.pdf
- https://cdn.shopify.com/s/files/1/0438/9571/8040/files/dedorusadilonimufise.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zurutadodusabexefiba.pdf
- https://cdn.shopify.com/s/files/1/0432/1397/9812/files/connecticut_dmv_forms.pdf
- https://cdn.shopify.com/s/files/1/0434/8136/6693/files/95160925981.pdf
- https://cdn.shopify.com/s/files/1/0438/1710/7618/files/best_hd_nature_wallpaper_for_android.pdf
- https://cdn.shopify.com/s/files/1/0431/4149/6986/files/52481743108.pdf
- https://cdn.shopify.com/s/files/1/0462/7949/1733/files/dusedubixixozoxafugazuwi.pdf
- https://cdn.shopify.com/s/files/1/0433/6448/3240/files/jonamejakus.pdf
- https://cdn.shopify.com/s/files/1/0431/5843/8056/files/jevutibibezifuxadol.pdf
- https://cdn.shopify.com/s/files/1/0430/9109/9799/files/assembly_programming_book.pdf
- https://cdn.shopify.com/s/files/1/0437/1791/8870/files/captivating_john_eldredge_free_download.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_off00004e53.bin425b96bed04bb627f92ab261d15d81261ff91827ff0430d6ca6c9dfdeb4338fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E53 | 5172 bytes |
font_01_sfnt_off00005ff7.bin71306606e5c2ac9edd9c8b2ef5f22bf4a950e7b361bbbd51026cf4bc312c4a5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FF7 | 10568 bytes |
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