Malware Insights
The PDF contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm for SEO manipulation. One critical heuristic indicates a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=biomassa+livro+pdf'. Another heuristic flags the presence of visible command execution instructions, likely involving Windows scripting tools, indicating a potential for further malicious activity. The document body itself is heavily obfuscated but contains the malicious URL, reinforcing the lure.
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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Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMANDDocument contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
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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=biomassa+livro+pdf
- http://menuvu.anclotedesign.com/uploads/1/3/2/7/132740405/7908259.pdf
- http://files.whitridgewellness.com/uploads/1/3/0/8/130814346/bedenobozexora.pdf
- http://files.ahavaburms.com/uploads/1/3/1/8/131856134/lekalokodav.pdf
- http://files.socta.info/uploads/1/3/0/8/130815026/nebanim.pdf
- https://cdn.shopify.com/s/files/1/0437/7139/6257/files/zejetebapi.pdf
- https://cdn.shopify.com/s/files/1/0434/0164/2135/files/toefl_ibt_practice_test.pdf
- https://cdn.shopify.com/s/files/1/0429/5570/2425/files/17059951000.pdf
- https://cdn.shopify.com/s/files/1/0429/3492/7513/files/advantages_of_social_media_in_workplace.pdf
- https://cdn.shopify.com/s/files/1/0429/7365/9290/files/gakajokufadelovozufinap.pdf
- https://cdn.shopify.com/s/files/1/0431/5797/9304/files/68810768056.pdf
- https://cdn.shopify.com/s/files/1/0434/3952/1959/files/muvarirenemiwageli.pdf
- https://cdn.shopify.com/s/files/1/0440/4133/9030/files/how_to_stop_mac_from_sleeping.pdf
- https://cdn.shopify.com/s/files/1/0437/7998/1470/files/curl_form_post.pdf
- https://cdn.shopify.com/s/files/1/0428/4982/9023/files/xazopuxoj.pdf
- https://cdn.shopify.com/s/files/1/0428/6794/9724/files/18468844708.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89832202682.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/26443777516.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_off00006eac.bineffa245e0be57c7ff58638be5dfc6e62307c778abb08c12e74a296a352cdf633 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EAC | 5296 bytes |
font_01_sfnt_off0000809e.binc4cc136333fae64d3d3e45a6ab77a252ec57d5ac2465a3440832cbb7626802fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x809E | 10140 bytes |
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