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 `https://ttraff.cc/pify?keyword=periodic+lateralized+epileptiform+discharge+%25E4%25B8%25AD%25E6%2596%2587`. This indicates the document's primary purpose is to lure the user to a malicious site. The presence of a large number of external PDF links, many hosted on `cdn.shopify.com`, suggests a link farm or SEO poisoning tactic to distribute the malicious PDF. No scripts were extracted, and the document body is heavily obfuscated, but the malicious redirector is the most significant finding.
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=periodic+lateralized+epileptiform+discharge+%25E4%25B8%25AD%25E6%2596%2587
- http://files.dreamjewels4u.com/uploads/1/3/1/1/131164431/f677e9af.pdf
- http://files.houserootscoffee.com/uploads/1/3/0/7/130776573/dolafupemureruzibux.pdf
- https://cdn.shopify.com/s/files/1/0432/7053/7374/files/70222124255.pdf
- https://cdn.shopify.com/s/files/1/0437/2171/9959/files/cisco_lab_book.pdf
- https://cdn.shopify.com/s/files/1/0435/9274/5117/files/50793499598.pdf
- https://cdn.shopify.com/s/files/1/0431/6063/3504/files/33381425037.pdf
- https://cdn.shopify.com/s/files/1/0428/0185/6668/files/wright_cooper_introduction_to_aircraft_aeroelasticity_and_loads.pdf
- https://cdn.shopify.com/s/files/1/0432/4818/9603/files/73059753604.pdf
- https://cdn.shopify.com/s/files/1/0433/5943/6951/files/wokoxisaduruxatov.pdf
- https://cdn.shopify.com/s/files/1/0436/5372/6358/files/rutadawazekuvabosovatumo.pdf
- https://cdn.shopify.com/s/files/1/0429/9728/5027/files/libri_per_bambini_in_spagnolo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pelezegagujagemubejapo.pdf
- https://cdn.shopify.com/s/files/1/0437/4586/9985/files/givewosuxarazomomiparilu.pdf
- https://cdn.shopify.com/s/files/1/0428/6119/9526/files/2633601240.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007377.bin784623f9090984d5bdea4c32dbd1d9c0368ade93d0385fd8e14bf7de6d3e9eaa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7377 | 20252 bytes |
font_01_sfnt_off0000b3a7.binc0baa96315eab33a8c9e081962bcf29dd480d0975e9b196fc52905ae9aa82ccf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3A7 | 3112 bytes |
font_02_sfnt_off0000beac.bind1b262a1fd027db933e25b509e67617244f0980de84b967333bc6194b4529b6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEAC | 5620 bytes |
font_03_sfnt_off0000d1aa.bin0db45a73d5ce1f99d0ff72877ba72caa95fea98732a71445dc7386f2b6355cab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1AA | 11944 bytes |
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