MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'pruebas ser bachiller 2020 resueltas pdf' and the malicious URL, suggesting a lure to download or access malicious content disguised as educational material. The PDF also contains a large number of external links, as noted by the PDF_SEO_LINK_FARM heuristic, further indicating a malicious intent to distribute harmful content.
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=pruebas+ser+bachiller+2020+resueltas+pdf
- http://files.maraycosmetics.com/uploads/1/3/2/6/132682030/3236580.pdf
- http://files.q-bos.com/uploads/1/3/1/8/131856883/3807978.pdf
- http://files.kwsa.ca/uploads/1/3/1/3/131398145/govekimezarisi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/25668779603.pdf
- https://cdn.shopify.com/s/files/1/0429/6402/5493/files/lulitetirowupifexevud.pdf
- https://cdn.shopify.com/s/files/1/0437/8748/5342/files/vibufebevofasirapuviw.pdf
- https://cdn.shopify.com/s/files/1/0434/2933/1100/files/vatofiwowokimuvose.pdf
- https://cdn.shopify.com/s/files/1/0428/2669/4822/files/laminates_and_veneers_in_dentistry.pdf
- https://cdn.shopify.com/s/files/1/0433/1326/6846/files/43857289626.pdf
- https://cdn.shopify.com/s/files/1/0435/7357/5841/files/69911350568.pdf
- https://cdn.shopify.com/s/files/1/0430/6989/8914/files/16704567471.pdf
- https://cdn.shopify.com/s/files/1/0430/8225/2442/files/rujuvinunijemoro.pdf
- https://cdn.shopify.com/s/files/1/0440/5349/5958/files/21040013697.pdf
- https://cdn.shopify.com/s/files/1/0429/4026/8711/files/76029145068.pdf
- https://cdn.shopify.com/s/files/1/0438/9886/3771/files/37540666474.pdf
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/netepazabefi.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_off0000500f.bin21945cd78125e2cc74494c88f5edefa2746061a6a97d18d3afd5e4f285a881c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x500F | 5324 bytes |
font_01_sfnt_off0000622e.bin955791799cf1e26d3fcd7010a316a887fe58cd02ecbad1d377c484672cff117e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x622E | 11160 bytes |
font_02_sfnt_off00008685.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8685 | 4324 bytes |
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