MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to a URL designed to lure users with a search query. The document body, though partially corrupted, contains the same URL and a reference to downloading files, reinforcing the lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify and static.usrfiles.com, likely to obscure the primary malicious destination. No scripts were extracted from this sample.
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/wix?keyword=como+descargar+archivos+de+scribd+gratis
- https://cdn.shopify.com/s/files/1/0428/8384/2215/files/3338248188.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/69892687871.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vukanuzedatijaxugevune.pdf
- https://cdn.shopify.com/s/files/1/0462/4675/6506/files/volume_of_shapes_worksheet_with_answers.pdf
- https://static.usrfiles.com/ugd/136d07_adce639010834e2986dc83c1128384fc.pdf
- https://static.usrfiles.com/ugd/b8c837_7450f0a71b8442cc90548803a306cbe0.pdf
- https://static.usrfiles.com/ugd/b8c837_ca669c5e18164dc7b1772e1030984331.pdf
- https://static.usrfiles.com/ugd/b56239_cbc6a2154c21438f9a38fb4ddb3e67f0.pdf
- https://static.usrfiles.com/ugd/b8c837_6a5f2dd4af0e47188c580170f612d5ce.pdf
- https://static.usrfiles.com/ugd/b8c837_72335cb72fc64c1cadc803ff44cdc27c.pdf
- https://static.usrfiles.com/ugd/70a38d_3cda748465ac44208ac921ea67d2c9bf.pdf
- https://static.usrfiles.com/ugd/b8c837_d29b6da89f4e451a858144568c89ffb1.pdf
- https://static.usrfiles.com/ugd/b8c837_ac91687b732644d1821dfdf29abd2de2.pdf
- https://cdn.shopify.com/s/files/1/0434/6334/4294/files/learn_python_programming_step_by_step.pdf
- https://cdn.shopify.com/s/files/1/0437/2470/1845/files/functional_cv_format.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_off000068ab.binceb22a51552e9616a95e3fc2df448da855729ea168770ca4d9965a263c48ece3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68AB | 5224 bytes |
font_01_sfnt_off00007a79.binacca24d9966ef8c40712e5d06a17879fefa5b1d405018ec95a188e3a2c1cd620 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A79 | 11428 bytes |
font_02_sfnt_off00009fa1.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FA1 | 4324 bytes |
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