Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb8120960da29e74…

MALICIOUS

PDF

119.6 KB Created: 2020-08-06 03:51:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 87a642609480ca6ead8311b1373cc73d SHA-1: f1a914329698bceb20a4541429d67dcf47add437 SHA-256: bb8120960da29e746036961d79158c9adf92fe4be5282f0a6442856d495308ff
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. This URL is presented within the document body, disguised as a link to a 'credit agricole sa annual report pdf'. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify, suggesting an attempt to obscure the malicious redirector. The primary intent appears to be directing users to malicious infrastructure through a deceptive lure.

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=credit+agricole+sa+annual+report+pdf
    • http://files.gilliantorckler.com/uploads/1/3/0/8/130874629/gomenevidi-kinepowa-xasokipa-xupuzateseroji.pdf
    • http://files.triumphofmercy.com/uploads/1/3/0/7/130776180/1219157.pdf
    • http://files.hatcher.engineering/uploads/1/3/2/6/132695392/953aa.pdf
    • https://cdn.shopify.com/s/files/1/0427/7154/6279/files/tomuxulasaw.pdf
    • https://cdn.shopify.com/s/files/1/0440/4156/8421/files/lasodudewal.pdf
    • https://cdn.shopify.com/s/files/1/0433/7664/0156/files/wreck_it_ralph_hentai.pdf
    • https://cdn.shopify.com/s/files/1/0429/4203/8172/files/effortless_english_free.pdf
    • https://cdn.shopify.com/s/files/1/0428/6201/8727/files/25775646684.pdf
    • https://cdn.shopify.com/s/files/1/0433/5465/2822/files/vector_product_example.pdf
    • https://cdn.shopify.com/s/files/1/0433/9240/1558/files/wozoluzoxitibanusokume.pdf
    • https://cdn.shopify.com/s/files/1/0428/4622/4551/files/foxororodatemibob.pdf
    • https://cdn.shopify.com/s/files/1/0437/7496/7965/files/89115474836.pdf
    • https://cdn.shopify.com/s/files/1/0427/9068/2783/files/49984810903.pdf
    • https://cdn.shopify.com/s/files/1/0427/6482/8839/files/xemafonumo.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_off00018d0d.bin
c45f3936029df4ec72a04431b7022f971d36eb877c6abc6a6e4d69679624ac40		 pdf-font-stream PDF embedded font (sfnt) at offset 0x18D0D 5228 bytes
font_01_sfnt_off00019ee4.bin
f4e78b90a1bdc13e88d09f21931a28eae0205c74f5b9f53a4e63850de3da2f83		 pdf-font-stream PDF embedded font (sfnt) at offset 0x19EE4 16176 bytes

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