Malware Insights
The PDF contains a heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/wix?keyword=washtenaw+community+college+academic', is designed to redirect the user to malicious infrastructure. The PDF also contains a large number of external links, many hosted on Shopify, which is indicative of a link farm used for SEO poisoning or to obscure the final malicious destination. No scripts were extracted, and the document body is heavily obfuscated, but the presence of the malicious redirector is the primary indicator of compromise.
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/wix?keyword=washtenaw+community+college+academic
- https://cdn.shopify.com/s/files/1/0432/7846/7222/files/66725456859.pdf
- https://cdn.shopify.com/s/files/1/0448/2859/0242/files/angelcare_ac1100_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/4189/0208/files/gidemesikixoserukuga.pdf
- https://cdn.shopify.com/s/files/1/0429/1090/8572/files/schlage_keypad_locks_programming_guide_fe575.pdf
- https://cdn.shopify.com/s/files/1/0431/5119/6315/files/best_3d_photo_editing_app.pdf
- https://cdn.shopify.com/s/files/1/0434/7808/9878/files/vibapib.pdf
- https://cdn.shopify.com/s/files/1/0428/2168/1315/files/21263941493.pdf
- https://static.usrfiles.com/ugd/6846fe_7fc33fc8ca5b436ab5fe7a233f09787d.pdf
- https://static.usrfiles.com/ugd/a107db_d73e84cceaff490cb09a29dff8267b76.pdf
- https://static.usrfiles.com/ugd/b8c837_aaea98ca805a4118a92d760239612e5c.pdf
- https://static.usrfiles.com/ugd/b5aed9_b64db5ee01d14842b8f894f265f3bbb0.pdf
- https://cdn.shopify.com/s/files/1/0431/5247/4267/files/anemia_hemolitica_severa_en_perros.pdf
- https://cdn.shopify.com/s/files/1/0431/3799/0813/files/dilevinux.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_off0000651d.binc703752afea13ac0ad8fe6503667ae5ad198d5b1bc4100d7e612a841a8b9394c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x651D | 5344 bytes |
font_01_sfnt_off00007739.bin3a4091bcbe89000b88a6bafe52e6bba59c209e443c95746a8ac85df74ce3b2d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7739 | 15204 bytes |
font_02_sfnt_off0000a5df.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5DF | 4324 bytes |
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