Malware Insights
The PDF file was identified as malicious due to its structure, which includes a large number of embedded links. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=english+grammar+easy+way+to+learn+pd'. Another critical heuristic indicates a PDF link farm, with many links pointing to shopify domains, likely as a way to obscure the malicious redirector. The document body contains garbled text but also includes the malicious URL and several benign-looking Shopify URLs, suggesting a lure to disguise the malicious intent.
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.ru/pify?keyword=english+grammar+easy+way+to+learn+pd
- http://rorupol.thecatsmeowtarotandtalismans.com/uploads/1/3/1/0/131070027/9267947.pdf
- http://bewalib.camillahouse.com/uploads/1/3/1/4/131408999/nakigukomalije_sutenog_fadaj.pdf
- http://files.boneschool.net/uploads/1/3/1/6/131636712/1d5730d.pdf
- http://jezovakad.dngdecor.com/uploads/1/3/1/3/131383483/bafag-xelizobo-tukixopij.pdf
- http://files.lachicanalaundrypictures.com/uploads/1/3/0/7/130739570/zamumovil.pdf
- https://cdn.shopify.com/s/files/1/0437/9816/7713/files/855-_855-_4575.pdf
- https://cdn.shopify.com/s/files/1/0432/6303/3502/files/62325420720.pdf
- https://cdn.shopify.com/s/files/1/0434/3159/2102/files/86274383659.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/92161478626.pdf
- https://cdn.shopify.com/s/files/1/0427/7311/9143/files/30719232637.pdf
- https://cdn.shopify.com/s/files/1/0429/9676/0730/files/thinking_skills.pdf
- https://cdn.shopify.com/s/files/1/0434/7514/0761/files/90848024947.pdf
- https://cdn.shopify.com/s/files/1/0431/3514/0007/files/94148945840.pdf
- https://cdn.shopify.com/s/files/1/0431/4536/3610/files/dryer_sheets_bed_bug_repellent.pdf
- https://cdn.shopify.com/s/files/1/0437/6290/9335/files/10736179462.pdf
- https://cdn.shopify.com/s/files/1/0431/6980/8548/files/digivajolodozo.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_off000069cf.bin5ac15cbc73fda45c368a48751650c130302c093df8652838762395ceeb880349 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69CF | 5524 bytes |
font_01_sfnt_off00007c7d.bin594cc14eb76d404fe4585ecc7d14da80c5f7827e50511ab8e964bab18044b011 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C7D | 10268 bytes |
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