MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous links, including one pointing to a known malicious redirector at 'ttraff.ru'. This link is presented with a lure of 'calculus 1 pdf free download', suggesting a phishing or scam attempt. The presence of a 'download button' heuristic further supports this. The document body, though heavily obfuscated, contains the malicious URL, reinforcing the attack vector.
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=calculus+1+pdf+free+download
- http://files.escalantelife.com/uploads/1/3/2/6/132682833/wikemetulusisu.pdf
- http://files.unstoppableachievers.com/uploads/1/3/1/3/131381078/tanobifarilive-rawatizewalof-taneferasig.pdf
- http://files.lexasluxuriouslooks.com/uploads/1/3/2/6/132695354/golosisefawev.pdf
- https://cdn.shopify.com/s/files/1/0430/0242/9593/files/vitotu.pdf
- https://cdn.shopify.com/s/files/1/0431/3825/2957/files/folivelaminaruvewo.pdf
- https://cdn.shopify.com/s/files/1/0440/1918/7862/files/how_to_print_something_out_in_tkinter.pdf
- https://cdn.shopify.com/s/files/1/0430/0832/7829/files/xatejobujir.pdf
- https://cdn.shopify.com/s/files/1/0438/8087/4139/files/60995411021.pdf
- https://cdn.shopify.com/s/files/1/0427/7446/2631/files/wixagavixerut.pdf
- https://cdn.shopify.com/s/files/1/0435/4483/8303/files/67934623950.pdf
- https://cdn.shopify.com/s/files/1/0433/4803/3689/files/726029815.pdf
- https://cdn.shopify.com/s/files/1/0440/6276/9302/files/advanced_characterization_techniques.pdf
- https://cdn.shopify.com/s/files/1/0427/7121/8588/files/58042344448.pdf
- https://cdn.shopify.com/s/files/1/0433/6808/7701/files/xakafibew.pdf
- https://cdn.shopify.com/s/files/1/0436/6978/2693/files/jukifemorebivojejupu.pdf
- https://cdn.shopify.com/s/files/1/0432/2682/4863/files/82116600157.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/
- https://cdn.shopify.com/s/files/1/0430/0832/7829/files
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000711f.bin16f64c654808e610aac9ccddf7c0076fbe465a4f3478999b252ea358020ffbd4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x711F | 5196 bytes |
font_01_sfnt_off000082e7.bin51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82E7 | 1800 bytes |
font_02_sfnt_off00008b75.bin137bc2adca108ffba4def799c78a56adedaa06a4c159c133faa807e2ac99a62a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B75 | 10192 bytes |
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