MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting PDF files. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=chain+rule+calculus+pdf'. This suggests the document is designed to lead users to malicious sites, likely for further exploitation or credential harvesting. The document body, though heavily obfuscated, contains the same redirector URL.
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=chain+rule+calculus+pdf
- http://files.mmevanneste.com/uploads/1/3/0/8/130814187/ee10fc057d.pdf
- http://files.entomoanthro.org/uploads/1/3/1/4/131483197/nizijeb_toririwinere_lunemepax.pdf
- http://files.alanvanim.com/uploads/1/3/1/4/131437689/3a47951.pdf
- http://files.oppositetack.com/uploads/1/3/1/8/131871627/kexurete_nimonotedodoni.pdf
- http://files.avianoreunion.com/uploads/1/3/0/9/130970022/6cce6ccd79358de.pdf
- https://cdn.shopify.com/s/files/1/0428/1230/9671/files/da_form_3161_fillable.pdf
- https://cdn.shopify.com/s/files/1/0433/4741/1096/files/41422776302.pdf
- https://cdn.shopify.com/s/files/1/0431/4978/7285/files/likowi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xizujebekox.pdf
- https://cdn.shopify.com/s/files/1/0431/7321/6411/files/58994449475.pdf
- https://cdn.shopify.com/s/files/1/0434/4256/9368/files/16087411614.pdf
- https://cdn.shopify.com/s/files/1/0438/4977/7312/files/pogomigalamiwegikikubad.pdf
- https://cdn.shopify.com/s/files/1/0427/8580/0358/files/rawenibabaf.pdf
- https://cdn.shopify.com/s/files/1/0433/0982/6213/files/43767810004.pdf
- https://cdn.shopify.com/s/files/1/0431/2884/8538/files/modifiers_for_tinkers_construct.pdf
- https://cdn.shopify.com/s/files/1/0431/4457/7178/files/xazozisebamewabedawo.pdf
- https://cdn.shopify.com/s/files/1/0432/9881/6150/files/71622604653.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/
- https://cdn.shopify.com/s/files/1/0433/0982/6213/files/437678
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d6fa.bin8cce725a21d97cacb4e0f710615e626657a16b38eac72625a59110a2e2c860b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6FA | 5148 bytes |
font_01_sfnt_off0000e871.bin3e6a0b086b2b18ad305b27e63faf60c7ded873f11c97a50b5ff1d9191c885e5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE871 | 16044 bytes |
font_02_sfnt_off00011bc6.bin0eb85760f2591bca7b2c12ee3c7a5c3484438d77b81b4a2b25b22f54e4296e10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC6 | 16400 bytes |
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