Malware Insights
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic identified a malicious redirector link, specifically 'https://ttraff.cc/pify?keyword=helvetica+font+free+download', which is designed to lure users into downloading malicious content. The document body, though partially corrupted, contains text related to the 'helvetica font free download' lure, reinforcing the social engineering aspect. The presence of numerous links suggests an attempt to manipulate search engine rankings or distribute malware through a link farm, with the primary malicious URL being the most critical IOC.
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=helvetica+font+free+download
- http://files.thetrumpantidote.com/uploads/1/3/2/6/132681634/d4a492d93f90.pdf
- http://files.twdshirtcompany.com/uploads/1/3/1/4/131455475/mifobivef.pdf
- http://files.chatinfrench.com/uploads/1/3/2/7/132712315/pagusepa-guzapu.pdf
- http://files.oldbostwicks.com/uploads/1/3/2/7/132740399/4567209.pdf
- https://cdn.shopify.com/s/files/1/0429/9862/8501/files/sujiresagi.pdf
- https://cdn.shopify.com/s/files/1/0433/8574/9665/files/60355237737.pdf
- https://cdn.shopify.com/s/files/1/0438/8470/7992/files/10456525163.pdf
- https://cdn.shopify.com/s/files/1/0437/7929/3338/files/81724258089.pdf
- https://cdn.shopify.com/s/files/1/0430/8218/6905/files/44704226932.pdf
- https://cdn.shopify.com/s/files/1/0432/9956/9829/files/govuzenufoxifotuvez.pdf
- https://cdn.shopify.com/s/files/1/0430/3588/5725/files/97345013543.pdf
- https://cdn.shopify.com/s/files/1/0436/9373/6089/files/10243464867.pdf
- https://cdn.shopify.com/s/files/1/0440/8868/8790/files/kepipotowadox.pdf
- https://cdn.shopify.com/s/files/1/0430/9290/2037/files/20624742562.pdf
- https://cdn.shopify.com/s/files/1/0432/0270/7616/files/71398711623.pdf
- https://cdn.shopify.com/s/files/1/0434/8100/6244/files/weather_newtown_ct_hourly.pdf
- https://cdn.shopify.com/s/files/1/0431/3926/8769/files/72609476852.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_off0000680f.bina6be120d42afa252a0fc71fc89d72710be7aa60b0b3c02a8fce4fc655b1dbcc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x680F | 4952 bytes |
font_01_sfnt_off0000790c.bin98ddc7d12f2a4ecc4748c5c8d41638271264d5a8705f45daed36f4daaff5c25a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x790C | 11208 bytes |
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