MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.ru, which is designed to lure users into clicking on it. The document body, though heavily obfuscated, contains the same URL and text related to 'direct and indirect speech exercises worksheets pdf', suggesting a lure for educational content. The presence of a 'download button' heuristic further supports the social engineering aspect of this attack. The file is identified as a PDF and leverages external links, indicating a delivery mechanism focused on redirecting users to malicious content.
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=direct+and+indirect+speech+exercises+worksheets+pdf
- http://files.championhouseofcare.org/uploads/1/3/1/4/131409309/wesoxopotami.pdf
- http://biwuvuw.acbae.com/uploads/1/3/1/4/131406893/3e8fdbb0fc5c505.pdf
- http://files.designcyphers.com/uploads/1/3/1/4/131438538/labizobowetediti.pdf
- http://files.emojisgrilledcheesebar.com/uploads/1/3/1/4/131482975/1656417.pdf
- https://cdn.shopify.com/s/files/1/0431/8635/6375/files/guwumomolotitixudawobozeb.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bukidesokat.pdf
- https://cdn.shopify.com/s/files/1/0430/6596/6754/files/96191781777.pdf
- https://cdn.shopify.com/s/files/1/0428/6971/9199/files/10th_class_chemistry_notes_free_download.pdf
- https://cdn.shopify.com/s/files/1/0433/7840/9639/files/73753079995.pdf
- https://cdn.shopify.com/s/files/1/0431/4241/4487/files/neguvetegosesenixuj.pdf
- https://cdn.shopify.com/s/files/1/0440/0391/7974/files/investment_project_financial_analysis_template.pdf
- https://cdn.shopify.com/s/files/1/0437/4098/7543/files/alimentos_con_alto_contenido_de_calcio.pdf
- https://cdn.shopify.com/s/files/1/0431/3461/5708/files/rulobarikomadelijabifopef.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_off0000c9d0.binb7f317aa0f29cd34df008dc84d8f376d2685882a57a4a5cd0d86477d0adf885a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9D0 | 2828 bytes |
font_01_sfnt_off0000d3cb.bin0dc66a77972a091291183eec4a55dcf47bdac67de22b5ee3c32c3ab8a7fedf3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3CB | 5432 bytes |
font_02_sfnt_off0000e654.bin0ef66b1b6bf4333578bebd472f5f15166fe331406e9c045dd45f099afeec6197 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE654 | 10012 bytes |
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