Malware Insights
The PDF contains a mass of external links, many of which point to a link farm designed to improve search engine rankings. One of these links, 'https://ttraff.club/wix?keyword=hands+on+equations+fractions+worksheets', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this same URL, indicating the primary intent is to redirect the user to a potentially harmful site. The presence of numerous benign-looking PDF links suggests a tactic to mask the malicious redirector among legitimate-looking content.
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.club/wix?keyword=hands+on+equations+fractions+worksheets
- http://jezoxujav.visionlampasas.com/uploads/1/3/1/3/131398101/xunawamexizoj.pdf
- https://31578fee-fd09-4f9c-9ca4-b30f51fd681e.filesusr.com/ugd/81d6a4_a1c9853feccb4afcb2e9b2734d5c9947.pdf?index=true
- https://4a513928-bf11-4c01-a9cd-a832bf598479.filesusr.com/ugd/15ebe2_575308b5c25347f78d502c72ae1cf461.pdf?index=true
- https://e5c7df11-d523-4915-a7e2-af3a807cc844.filesusr.com/ugd/bf0735_08534b7ed7aa48c6b9e729c0d8811be1.pdf?index=true
- https://018778d7-c1a3-4681-a638-a9eda294ac53.filesusr.com/ugd/c7ef1a_32b94d2f588d4317a8030e0de89b7302.pdf?index=true
- https://cdn.shopify.com/s/files/1/0438/7710/5832/files/vumipikipegavuna.pdf
- https://cdn.shopify.com/s/files/1/0435/0718/7872/files/76681505279.pdf
- https://cdn.shopify.com/s/files/1/0445/9646/1732/files/character_quiz.pdf
- https://cdn.shopify.com/s/files/1/0432/2436/7262/files/best_high_school_biology_textbook.pdf
- https://cdn.shopify.com/s/files/1/0437/9633/2705/files/salary_certificate_application_form.pdf
- https://cdn.shopify.com/s/files/1/0427/6905/5911/files/14924494986.pdf
- https://cdn.shopify.com/s/files/1/0434/8523/3302/files/slow_carb_diet_food_list.pdf
- https://cdn.shopify.com/s/files/1/0437/6287/6565/files/nigubokamu.pdf
- https://cdn.shopify.com/s/files/1/0429/9902/1731/files/63618577445.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_off0000528f.bin56cd343f8ede8406141bcfd22a3c89d337f0c7a0bc4e3e6531b0466218bc8b33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x528F | 5320 bytes |
font_01_sfnt_off000064ac.bin35ec62c633ac29a15cb985f3276f11b243412dc200d36c2c3e54e38c05edaf6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64AC | 11164 bytes |
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