Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a50008e15aa8234…

MALICIOUS

PDF

46.7 KB Created: 2020-08-25 15:41:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 60c3d283dbc8973f6a6c6b5948fc4dd4 SHA-1: 118ff1a40d3858583b67adc716eca396f993f2c2 SHA-256: 9a50008e15aa82347adf65378a55df8e3ceb7722cfadf26d81cb522b95f171a5
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to a URL that includes 'age of war 2 hack mod apk'. This suggests a social engineering lure to trick users into downloading potentially malicious content. The document also exhibits characteristics of a link farm, with numerous embedded URLs, many of which point to Shopify domains hosting other PDFs. The primary malicious URL is https://ttraff.ru/pify?keyword=age+of+war+2+hack+mod+apk, which is likely the initial stage of a download or redirection chain.

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/pify?keyword=age+of+war+2+hack+mod+apk
    • http://bomol.thinklearnact.com/uploads/1/3/0/8/130874359/kufusip.pdf
    • https://cdn.shopify.com/s/files/1/0428/1889/6038/files/77841015491.pdf
    • https://cdn.shopify.com/s/files/1/0433/1310/2998/files/naxinatowadojel.pdf
    • https://cdn.shopify.com/s/files/1/0432/7941/7504/files/91484783339.pdf
    • https://cdn.shopify.com/s/files/1/0430/7140/6241/files/36981196331.pdf
    • https://cdn.shopify.com/s/files/1/0431/2891/4074/files/37485995035.pdf
    • https://cdn.shopify.com/s/files/1/0427/7328/2983/files/96924815033.pdf
    • https://cdn.shopify.com/s/files/1/0434/8271/0168/files/pemug.pdf
    • https://cdn.shopify.com/s/files/1/0433/2843/8427/files/83693519709.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gifowugebivagobawogun.pdf
    • https://cdn.shopify.com/s/files/1/0432/8059/7152/files/16335130791.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000062f9.bin
95860942574698e40494e7fb8c9672dc700588d0023fa9e370870de2d4f6f693		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62F9 5636 bytes
font_01_sfnt_off0000761a.bin
f160af04f16a6ece4fe960961b98459df76a988a9141935ed0c4d0e0ec585ec7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x761A 10032 bytes
font_02_sfnt_off000098ab.bin
53c3ec829963ec5a0af1bff4be2d724acb9959b277e5253d769434e6be684fe1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x98AB 16160 bytes

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