MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body text is heavily obfuscated but contains the string "Qualitative case study pdf" and the malicious URL, suggesting a lure to trick users into clicking through to potentially malicious content. The ML classifier strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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=qualitative+case+study+pdf
- http://files.moriahicephotography.com/uploads/1/3/2/6/132695741/fimewudopiduge-fixemoxizomuj-rikoz.pdf
- https://cdn.shopify.com/s/files/1/0431/8347/2802/files/tolivoruxojuse.pdf
- https://cdn.shopify.com/s/files/1/0439/8972/9438/files/wowoputisatemebibuwamemu.pdf
- https://cdn.shopify.com/s/files/1/0432/6916/1110/files/9002504981.pdf
- https://cdn.shopify.com/s/files/1/0433/3397/6223/files/fagufuratome.pdf
- https://cdn.shopify.com/s/files/1/0434/6914/4230/files/werofimivatafe.pdf
- https://cdn.shopify.com/s/files/1/0433/9476/0862/files/wuwuvuk.pdf
- https://cdn.shopify.com/s/files/1/0437/2742/1608/files/manorama_yearbook_2020_online.pdf
- https://cdn.shopify.com/s/files/1/0432/1817/4120/files/kovutipev.pdf
- https://cdn.shopify.com/s/files/1/0429/9092/8026/files/24196923656.pdf
- https://cdn.shopify.com/s/files/1/0449/4249/1816/files/how_to_reduce_file_size_acrobat_reader_dc_free.pdf
- https://cdn.shopify.com/s/files/1/0450/2405/1358/files/romeo_and_juliet_themes_worksheet.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_off00005b5f.bin3e24765c964554081de060750f76efc70c9101f69026c0f5f2574c7626f193ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B5F | 5276 bytes |
font_01_sfnt_off00006d73.binb4f1315cee1a25ee84f35d8365475a6e2f7da8591429981f05f8a623652d3281 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D73 | 10128 bytes |
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