Malicious PDF — malware analysis report

Static analysis result for SHA-256 46481380e7b5dec6…

MALICIOUS

PDF

66.0 KB Created: 2020-09-01 01:56:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 64eef0e7f2e27d89d1028b9556696179 SHA-1: 21b305086c37056465e79a85535cb0e4a6761301 SHA-256: 46481380e7b5dec6a765654bf5079802815de73704bd436571c8280179494f6c
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link farm, with multiple embedded URLs pointing to Shopify and other domains. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.ru/wix?keyword=delhi+air+pollution+report+today'. This suggests the document is designed to redirect users to malicious sites, likely for phishing or malware delivery. No scripts were extracted, limiting further analysis of the payload.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • Embedded URL info EMBEDDED_URL
    One 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/wix?keyword=delhi+air+pollution+report+today
    • https://cdn.shopify.com/s/files/1/0435/6944/7073/files/jutilus.pdf
    • https://cdn.shopify.com/s/files/1/0433/7637/8014/files/abp_live_news_apk_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/2955/2552/files/gusezodu.pdf
    • https://cdn.shopify.com/s/files/1/0431/2023/0564/files/dutifusu.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zorugeligix.pdf
    • https://cdn.shopify.com/s/files/1/0431/7904/9121/files/62006759428.pdf
    • https://cdn.shopify.com/s/files/1/0430/8893/7120/files/nomovupilepodujo.pdf
    • https://cdn.shopify.com/s/files/1/0427/5883/2294/files/94393511136.pdf
    • https://static.usrfiles.com/ugd/12dc78_9f201edad7024d66a0b7410571fd3508.pdf
    • https://static.usrfiles.com/ugd/b8c837_24f7d0fef4b5417e9c7205c9f62d74ad.pdf
    • https://static.usrfiles.com/ugd/b910ae_d907e0eda21542969d0a03ec00dba9cc.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009366.bin
ac65c313f5de224cb44da4c37a9a5d0f973da0bea1ca0aaa3a3b6f3bf3657b3f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9366 5372 bytes
font_01_sfnt_off0000a64d.bin
f6474bf6e0d5035d59bc8e343c5cde1c86ca2bdba61e9cbbdd098dec6d564e69		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA64D 4852 bytes
font_02_sfnt_off0000b6c6.bin
666a2b892d3b1b9f8411a07bf6cd2fd732f6ea7ba0c8574031750bde8d6e06c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB6C6 10732 bytes
font_03_sfnt_off0000db0f.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDB0F 4324 bytes
font_04_sfnt_off0000e90f.bin
630f1da315dcae2f6b183ed7db99d56edfc1eb348225bdf935854c604956fa75		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE90F 4656 bytes

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