Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd0424f710fee790…

MALICIOUS

PDF

50.1 KB Created: 2020-08-21 12:09:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5feb3e2839647ca7a065a5434236f8ba SHA-1: 9e4363089148b6cf5a178d9816e711b197fa851c SHA-256: dd0424f710fee790b3bafde00f3b57f69e1dfac0124aec5ec3f9ee3a40ca8038
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=hunting+animals+games'. It also exhibits characteristics of a PDF link farm, embedding numerous external links, many of which point to Shopify domains. The document body, though heavily obfuscated, contains the same malicious URL and several benign-looking PDF links, suggesting a lure to drive traffic to the redirector. The primary intent appears to be redirecting users to malicious infrastructure.

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.cc/pify?keyword=hunting+animals+games
    • http://zujan.bamabelle.org/uploads/1/3/2/6/132681513/9135914.pdf
    • http://tedomape.crestwoodbaptist.com/uploads/1/3/2/3/132302921/vazonegubudu.pdf
    • http://fukelopif.princealbert.cjsclimbandplay.com/uploads/1/3/2/8/132814930/kovojizeva-wojofes.pdf
    • http://files.tenreps.com/uploads/1/3/1/4/131438460/2961843.pdf
    • https://cdn.shopify.com/s/files/1/0451/5568/0410/files/tabela_atividades_mei_2020.pdf
    • https://cdn.shopify.com/s/files/1/0433/1097/3083/files/42666985148.pdf
    • https://cdn.shopify.com/s/files/1/0429/5832/3865/files/assembler_logiciel.pdf
    • https://cdn.shopify.com/s/files/1/0430/8526/7097/files/salesforce_sales_process_map.pdf
    • https://cdn.shopify.com/s/files/1/0430/4578/1665/files/gewifitezok.pdf
    • https://cdn.shopify.com/s/files/1/0428/9685/1111/files/wabuxujegowosiv.pdf
    • https://cdn.shopify.com/s/files/1/0430/3385/4103/files/transformers_animated_autobots_vs_megatron.pdf
    • https://cdn.shopify.com/s/files/1/0430/6790/0061/files/google_drive_convert_from_to_word.pdf
    • https://cdn.shopify.com/s/files/1/0429/3863/0300/files/90983949515.pdf
    • https://cdn.shopify.com/s/files/1/0428/9986/5756/files/90497773925.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_off00007b58.bin
e2f4b33ee386ff76ca294e6af3c89c6beb739c578886ce5868d976cbab872a00		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B58 4640 bytes
font_01_sfnt_off00008afa.bin
ecef49b345fc43ce58ea542c40ca34e5d9fbd77b2dc4db309c45929884a75a62		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8AFA 9956 bytes
font_02_sfnt_off0000ad17.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAD17 4324 bytes

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