Malware Insights
The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=pierce+basic+category+theory+for+computer+scientists+pdf'. This suggests the document is designed to direct users to malicious infrastructure, likely for further exploitation or credential harvesting. The presence of many links, including those pointing to benign Shopify domains, indicates a link farm SEO tactic to obscure the malicious destination. No scripts were extracted, and the document body is heavily obfuscated, but the primary malicious intent is clear from the redirector link.
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=pierce+basic+category+theory+for+computer+scientists+pdf
- http://files.wholearmorministry.com/uploads/1/3/1/0/131070469/ropiterominulalewox.pdf
- http://gevuro.laurelhistoricalsociety.org/uploads/1/3/0/7/130740013/2682853.pdf
- http://files.thorneaircon.com/uploads/1/3/1/6/131637546/jujokeb.pdf
- https://cdn.shopify.com/s/files/1/0432/2449/8343/files/dms._vizio._vom_link.pdf
- https://cdn.shopify.com/s/files/1/0436/3563/8425/files/71227307193.pdf
- https://cdn.shopify.com/s/files/1/0434/4306/0901/files/41355072601.pdf
- https://cdn.shopify.com/s/files/1/0432/6768/6558/files/dopuwiwak.pdf
- https://cdn.shopify.com/s/files/1/0435/3625/3087/files/geek_charming_2.pdf
- https://cdn.shopify.com/s/files/1/0434/3057/6295/files/74938610270.pdf
- https://cdn.shopify.com/s/files/1/0429/5557/1353/files/33414285166.pdf
- https://cdn.shopify.com/s/files/1/0433/6471/2616/files/47259145438.pdf
- https://cdn.shopify.com/s/files/1/0431/0315/8433/files/left_boy_dangerous.pdf
- https://cdn.shopify.com/s/files/1/0434/5213/7622/files/786_269_2542.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60359225188.pdf
- https://cdn.shopify.com/s/files/1/0432/4625/6295/files/18267749946.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000063df.binc731415598494176c8968bef978ce8af1e1818087c9e1b64442baa4059dfd411 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63DF | 5660 bytes |
font_01_sfnt_off000076f0.binad07f72057b864c8168402f15e5d8fca3c80e5eab071ddb3406e92fc2f07ba5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76F0 | 10096 bytes |
font_02_sfnt_off0000997d.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x997D | 4324 bytes |
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