Malware Insights
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=instagram++image+firefox'. Additionally, it features a link farm heuristic, indicating a large number of external links, with one prominent example being a PDF hosted on Shopify. The document body, though heavily obfuscated, also contains the malicious redirector URL and several benign-looking Shopify URLs, suggesting a lure to download or access content that ultimately leads to malicious infrastructure. The presence of a download button lure further supports the malicious intent.
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=instagram++image+firefox
- http://xovosozad.johndalexander.com/uploads/1/3/1/3/131378776/nusarewig_mapesuj.pdf
- https://cdn.shopify.com/s/files/1/0432/3786/7687/files/modern_chemistry_textbook_answers.pdf
- https://cdn.shopify.com/s/files/1/0465/0962/1406/files/15744585308.pdf
- https://cdn.shopify.com/s/files/1/0429/5573/5193/files/whatsapp_gb_uptodown.pdf
- https://cdn.shopify.com/s/files/1/0433/1238/2117/files/kerovigokunimuxofoge.pdf
- https://cdn.shopify.com/s/files/1/0434/6953/7432/files/vevagonud.pdf
- https://cdn.shopify.com/s/files/1/0434/8667/5108/files/ku_admission_2019_form.pdf
- https://cdn.shopify.com/s/files/1/0428/3655/7987/files/4092514135.pdf
- https://cdn.shopify.com/s/files/1/0440/1269/9798/files/96040267969.pdf
- https://cdn.shopify.com/s/files/1/0427/8052/4710/files/25669568164.pdf
- https://cdn.shopify.com/s/files/1/0437/1555/9573/files/what_is_a_metaphor_for_love.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005b88.binf161f2552d2982b0a5757e026f8096f4276eb4ebce2fb342f778fd0b2f7bfed9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B88 | 5060 bytes |
font_01_sfnt_off00006ca0.bin246569b5fd7226bd0ebf3c016de7ba0bf82e996896d660a08030b2af0a08efd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CA0 | 1936 bytes |
font_02_sfnt_off000075e0.bin0a2bd23900e79722d9bb451257464b29192c1134285ff40db9ceab7cd2817748 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75E0 | 9996 bytes |
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