MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which points to `https://ttraff.cc/pify?keyword=essential+calculus+early+transcendentals+2nd+edition+pdf+solutions`. This URL is designed to masquerade as a link to calculus textbook solutions, a common lure for phishing or malware delivery. The document also features a link farm heuristic, indicating a large number of external links, many hosted on `cdn.shopify.com`, likely to obscure the malicious redirector. The ML classifier strongly supports the malicious verdict.
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.cc/pify?keyword=essential+calculus+early+transcendentals+2nd+edition+pdf+solutions
- http://files.upscaleresale4kids.com/uploads/1/3/0/7/130739152/pixuluzimufujom.pdf
- http://files.iymstudio.com/uploads/1/3/0/7/130738943/6004449.pdf
- http://files.stnectariosgeorgegoc.com/uploads/1/3/2/6/132695372/378645.pdf
- http://files.dimitraxidous.com/uploads/1/3/0/7/130776483/wipaselemiv-pikalosidobe-lowed.pdf
- https://cdn.shopify.com/s/files/1/0431/4205/4048/files/pes_12_com.pdf
- https://cdn.shopify.com/s/files/1/0439/1242/9723/files/degamiterijokan.pdf
- https://cdn.shopify.com/s/files/1/0431/8206/3777/files/putefato.pdf
- https://cdn.shopify.com/s/files/1/0451/9854/0949/files/xejujodiwevonuzadas.pdf
- https://cdn.shopify.com/s/files/1/0439/1239/6968/files/krishna_objective_zoology_free_download.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/megoxidojixugapilanaseg.pdf
- https://cdn.shopify.com/s/files/1/0433/5697/9351/files/rune-_etched_quill.pdf
- https://cdn.shopify.com/s/files/1/0429/9925/1093/files/91396762068.pdf
- https://cdn.shopify.com/s/files/1/0433/7444/4694/files/beatriz_sarlo_tempo_passado.pdf
- https://cdn.shopify.com/s/files/1/0433/2657/0664/files/where_to_farm_shal_dorei_silk.pdf
- https://cdn.shopify.com/s/files/1/0428/0143/0695/files/29755983100.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_off00007e77.bin6f3dc62f0a3d5be2362eb168d95840d9670bd8a6ccbe36a0a58855e11dc1a941 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E77 | 5220 bytes |
font_01_sfnt_off00009044.bin542abf4faebbde78136e75e2f9ef6d136eb41550ef9ed1a7895b3c3fcad1ff13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9044 | 13008 bytes |
font_02_sfnt_off0000ba41.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA41 | 4324 bytes |
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