MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to benign Shopify URLs, but one critical link directs to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious redirector URL and several other PDF links, suggesting a link farm attack designed to lead users to malicious infrastructure.
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=christmas+songs+orchestra+sheet+music
- http://files.gylrae.co.uk/uploads/1/3/1/4/131406433/wabew-nisojadujukus-gowagubaj.pdf
- http://files.margiekorrison.com/uploads/1/3/0/8/130813899/8286774.pdf
- http://files.mysmartinspection.com/uploads/1/3/1/4/131409090/lojuzanetorotifa.pdf
- http://jirak.pensionplanningsolutions.com/uploads/1/3/1/4/131409508/8e77eb348.pdf
- http://files.youthtechnation.org/uploads/1/3/1/4/131408068/c6b00.pdf
- https://cdn.shopify.com/s/files/1/0445/6851/0628/files/online_schedule_maker_template.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75130531250.pdf
- https://cdn.shopify.com/s/files/1/0430/4646/9793/files/baxavuvepasolavizekufar.pdf
- https://cdn.shopify.com/s/files/1/0432/0736/0667/files/fudepupixezaxuke.pdf
- https://cdn.shopify.com/s/files/1/0431/7154/5237/files/namorado_de_aluguel_grtis.pdf
- https://cdn.shopify.com/s/files/1/0447/3444/7770/files/chinese_calligraphy_font.pdf
- https://cdn.shopify.com/s/files/1/0431/8209/6535/files/centrifugal_pump_experiment.pdf
- https://cdn.shopify.com/s/files/1/0433/7362/5500/files/infinity_to_the_infinity_power.pdf
- https://cdn.shopify.com/s/files/1/0432/6470/4662/files/96423203735.pdf
- https://cdn.shopify.com/s/files/1/0433/3476/2664/files/botanical_journal_of_the_linnean_society.pdf
- https://cdn.shopify.com/s/files/1/0449/8338/6280/files/javascript_size_of_array.pdf
- https://cdn.shopify.com/s/files/1/0448/1161/6418/files/complex_numbers_in_java.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ace.bina89387a0553c5cb1e2639d27794873fafddb358810da06dbb9fe83ae695767f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5ACE | 5088 bytes |
font_01_sfnt_off00006bf1.bineb52f7c86b9b5862005e74af0e31136af4dbb9db065915bb9477046db29946dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BF1 | 10144 bytes |
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