Malicious PDF — malware analysis report

Static analysis result for SHA-256 e89b37d7896010b7…

MALICIOUS

PDF

42.7 KB Created: 2020-08-30 22:53:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 52c11f7950d9e19d8fce72cc62e44024 SHA-1: 9124e1264da33ceee9aa043020cc812e6e200aaa SHA-256: e89b37d7896010b7146f4698f1542ea06501faaeed6c96e5ce2b2530384f5d4c
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, contains text that appears to be a title and references the malicious URL. The primary attack pattern involves directing the user to a malicious site, likely for further exploitation or phishing. No scripts were extracted, limiting the analysis of direct payload execution.

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/wix?keyword=su+dalgalar%25C4%25B1nda+giri%25C5%259Fim+konu+anlat%25C4%25B1m
    • https://static.usrfiles.com/ugd/b8c837_57978bbb18fc40db95180635c483c4db.pdf
    • https://static.usrfiles.com/ugd/b8c837_0e384b9c7a9c4e21b02b4c9a1b75ccd0.pdf
    • https://static.usrfiles.com/ugd/58a813_fc736eaaabd04d8b942ad2e87a1fe158.pdf
    • https://static.usrfiles.com/ugd/77eba6_afcd79c60c494101ab5f8642ddb2f0f8.pdf
    • https://static.usrfiles.com/ugd/10b11f_3cf46204e91846a9a660858af69736e9.pdf
    • https://static.usrfiles.com/ugd/822ecd_072c7d4b1f3d45cf8343961560ebae8a.pdf
    • https://static.usrfiles.com/ugd/b8c837_9c2b4949788c4213a65bdd99df67cc4b.pdf
    • https://static.usrfiles.com/ugd/a58b01_4ea980742e994f35a443f7071b3e29f7.pdf
    • https://cdn.shopify.com/s/files/1/0429/0245/4428/files/59789803815.pdf
    • https://cdn.shopify.com/s/files/1/0434/6429/4557/files/54485382232.pdf
    • https://cdn.shopify.com/s/files/1/0430/6511/4775/files/5233058641.pdf
    • https://cdn.shopify.com/s/files/1/0431/0515/7282/files/61426108563.pdf
    • https://static.usrfiles.com/ugd/b8c837_b72dee6326534a7fa73e2601425d7c25.pdf
    • https://static.usrfiles.com/ugd/b8c837_4eff25d7850a40f7b91869aedce118a8.pdf
    • https://static.usrfiles.com/ugd/b8c837_b3df1840de6e486e9f91344900fc64ae.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_off0000657a.bin
2c8ac7b0869917669bb5acf7312e21fbfcdff2ddd2c333f4ee98ddd369e07714		 pdf-font-stream PDF embedded font (sfnt) at offset 0x657A 5412 bytes
font_01_sfnt_off000077c0.bin
f19afcf46d933897f23a13ad1d1d686c9cbf94d0633085991bc33d84edecb3d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77C0 11604 bytes

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