MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=relation+and+function+worksheets'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains the same malicious URL and other Shopify URLs, suggesting a lure to external content. No scripts were extracted, but the primary attack vector appears to be social engineering via a malicious link.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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=relation+and+function+worksheets
- http://files.innovativemhsolutions.com/uploads/1/3/0/9/130969057/46b688c38b.pdf
- http://files.jennifergrayphd.com/uploads/1/3/1/4/131437117/sojilufelukib.pdf
- http://files.chaitanyayoga.co.za/uploads/1/3/1/4/131407112/zunutexuw.pdf
- http://files.saintambroseacademy.org/uploads/1/3/0/8/130813732/zezidisiwexi.pdf
- https://cdn.shopify.com/s/files/1/0439/1777/0920/files/blackberry_9900_flash_file_free.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pizegavegip.pdf
- https://cdn.shopify.com/s/files/1/0436/9245/8139/files/pugedefigeributovorawaz.pdf
- https://cdn.shopify.com/s/files/1/0435/7367/4142/files/ancylostoma_duodenale_y_necator_americanus.pdf
- https://cdn.shopify.com/s/files/1/0434/8795/3053/files/21681988244.pdf
- https://cdn.shopify.com/s/files/1/0432/4071/8496/files/both_either_neither_explanation.pdf
- https://cdn.shopify.com/s/files/1/0433/1687/1333/files/basilea_1_2_3.pdf
- https://cdn.shopify.com/s/files/1/0431/7977/0019/files/sawenevuv.pdf
- https://cdn.shopify.com/s/files/1/0428/6559/0438/files/bosavebijopopawagatis.pdf
- https://cdn.shopify.com/s/files/1/0435/8491/3563/files/44277152469.pdf
- https://cdn.shopify.com/s/files/1/0438/0193/6033/files/grade_12_biology_textbook_zambia_download.pdf
- https://cdn.shopify.com/s/files/1/0431/4536/3616/files/vejojemusokejorej.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_off00006556.bina500456cb408ba3018b7427b42d0810016bccc6f2c91666c2a89547305367d2a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6556 | 5152 bytes |
font_01_sfnt_off000076e7.bincf6b3af23245ee15aba4b8be0d63f4e26cc749ea906cba2f72fcdbc71ca501cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76E7 | 10248 bytes |
font_02_sfnt_off00009a04.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A04 | 4324 bytes |
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