Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6fde977dfb95110…

MALICIOUS

PDF

41.7 KB Created: 2020-08-31 10:10:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f802f60d105df916b9be96633957256f SHA-1: 4c95c94c793af0a8aa93b513f4c5afc24d183505 SHA-256: d6fde977dfb95110b06cc14c3975d7fac4a823634b8c0423165d4be98b5cb9bc
148 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a mass external link farm, with a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL, suggesting a lure to a deceptive website. The presence of urgency and callback lures further supports a phishing or scam attempt. No scripts were extracted, limiting the analysis of direct payload execution.

Heuristics 5

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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.com/wix?keyword=big+boss+oil+less+fryer+replacement
    • https://cdn.shopify.com/s/files/1/0433/6559/7342/files/wofuzagomilaloxajo.pdf
    • https://cdn.shopify.com/s/files/1/0433/9151/6826/files/24259094943.pdf
    • https://cdn.shopify.com/s/files/1/0435/4224/9631/files/kusix.pdf
    • https://cdn.shopify.com/s/files/1/0428/6083/9079/files/nevakosetuvomaregus.pdf
    • https://cdn.shopify.com/s/files/1/0431/7193/8461/files/xalesavadin.pdf
    • https://cdn.shopify.com/s/files/1/0429/0940/1254/files/81485506195.pdf
    • https://cdn.shopify.com/s/files/1/0428/5526/8519/files/4590768220.pdf
    • https://cdn.shopify.com/s/files/1/0448/1482/7677/files/anlage_vermietung_2020.pdf
    • https://static.usrfiles.com/ugd/b8c837_a52dcec19ad449e08cce8e75e85e1561.pdf
    • https://static.usrfiles.com/ugd/19103d_7ed8e5a3ec2f488282188c5ad69212ec.pdf
    • https://static.usrfiles.com/ugd/8b2c09_68d27396fdf747e18e4c959fb5b8e451.pdf
    • https://static.usrfiles.com/ugd/122077_2c7bbc5c804841f1991735f237ab89f7.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.

FilenameKindSourceSize
font_00_sfnt_off000061cf.bin
718a43b8e88451806e265058ea480c51a30a76cd7f83221b6f2820f4f66645ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61CF 5624 bytes
font_01_sfnt_off000074dd.bin
c1a9987909692b6235710788f77d5dd5ad4bca3c1da9d1ec2536f78d1c176c32		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74DD 10936 bytes

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