MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The document also exhibits characteristics of a link farm, with numerous links pointing to external PDFs, many hosted on Shopify. A low-signal heuristic for a download button lure further supports the malicious intent. The primary IOC is the malicious redirector URL, which is designed to lead users to malicious content.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/wb?keyword=free%20d
- http://files.johnboback.com/uploads/1/3/0/7/130776041/merefujedun_raxukodunonef_busipojewik_zerolebiriwona.pdf
- http://files.smashcakesetc.com/uploads/1/3/1/0/131069899/jatezubokafi-robop.pdf
- http://files.bettinakoch.net/uploads/1/3/1/0/131070476/3277690.pdf
- http://files.autopartsau.com/uploads/1/3/0/7/130738572/jebexiz_jopepovikuza_xamigiwomiwabup.pdf
- https://cdn.shopify.com/s/files/1/0430/4479/8613/files/37526456899.pdf
- https://cdn.shopify.com/s/files/1/0436/9268/7513/files/mmd_classroom_stage_dl.pdf
- https://cdn.shopify.com/s/files/1/0437/6703/8109/files/vugun.pdf
- https://cdn.shopify.com/s/files/1/0429/1756/0473/files/100_doors_challenge_level_57.pdf
- https://cdn.shopify.com/s/files/1/0429/7555/9829/files/30426300388.pdf
- https://cdn.shopify.com/s/files/1/0428/3174/1095/files/gastrointestinal_tract.pdf
- https://cdn.shopify.com/s/files/1/0431/6702/3259/files/32277069263.pdf
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/gunudofiwudugorubimen.pdf
- https://cdn.shopify.com/s/files/1/0434/8385/7053/files/26275317763.pdf
- https://cdn.shopify.com/s/files/1/0432/6106/7428/files/36517386482.pdf
- https://cdn.shopify.com/s/files/1/0429/5426/0643/files/aspen_plus_examples.pdf
- https://cdn.shopify.com/s/files/1/0431/3733/5464/files/79946027230.pdf
- https://cdn.shopify.com/s/files/1/0436/5264/5017/files/24_hours_a_day_hazelden.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/
- https://cdn.shopify.com/s/files/1/0436/9268/7513/files/mmd_classroom_stage_dl.pd
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007088.bineec254011d1dc0041dd4a101a3d0e76c7c82e14081c8c6fc91f666326f3ae876 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7088 | 5508 bytes |
font_01_sfnt_off00008353.binde1746a7138056cebe2ef3b95e85d61b85574ca73dea319e225143a1c3f32bba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8353 | 10292 bytes |
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