Malware Insights
The PDF contains a malicious redirector link identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK, pointing to 'https://ttraff.com/pify?keyword=assessment+book+mcdougal+littell+biology+answers'. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of embedded links, many of which are hosted on Shopify. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily corrupted, contains text fragments suggesting a lure related to 'assessment book mcdougal littell biology answers', reinforcing the malicious intent of redirecting users to potentially harmful content.
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.com/pify?keyword=assessment+book+mcdougal+littell+biology+answers
- http://files.jewelryandwatch.shop/uploads/1/3/1/3/131383444/8582930.pdf
- http://rijavu.custommade4paws.com/uploads/1/3/0/7/130738950/xovowizuratok_sujakejuvomud_gavaguwiwi.pdf
- http://mubixa.mydesignclass.net/uploads/1/3/2/6/132695454/5093953.pdf
- http://jelot.cambridgeburlesque.co.uk/uploads/1/3/2/6/132681670/turiwab.pdf
- https://cdn.shopify.com/s/files/1/0434/1356/9690/files/increase_brightness_app_android.pdf
- https://cdn.shopify.com/s/files/1/0431/0817/1925/files/zenalinajivipa.pdf
- https://cdn.shopify.com/s/files/1/0431/5119/6315/files/welding_calculation_formula.pdf
- https://cdn.shopify.com/s/files/1/0432/4406/0839/files/budget_speech_2020_botswana.pdf
- https://cdn.shopify.com/s/files/1/0430/4610/9341/files/26024010956.pdf
- https://cdn.shopify.com/s/files/1/0429/0471/5427/files/saluwibofojorefogalari.pdf
- https://cdn.shopify.com/s/files/1/0428/4927/1975/files/78267745426.pdf
- https://cdn.shopify.com/s/files/1/0434/9244/2264/files/titelibeki.pdf
- https://cdn.shopify.com/s/files/1/0432/0785/2192/files/54274207602.pdf
- https://cdn.shopify.com/s/files/1/0432/0693/4688/files/62108175765.pdf
- https://cdn.shopify.com/s/files/1/0428/2351/6323/files/atlanta_braves_schedule_2020.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_off00004c23.bin8aa3de6dc7d979160870a6eb0031e337c78152fd4ae1626969f1e5b14f0e6423 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C23 | 5648 bytes |
font_01_sfnt_off00005f5b.bin9c2d01fdd4420814093299606d2362bc16724eeec76d8587d5047694154854a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F5B | 10660 bytes |
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