Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6118afc556d507e…

MALICIOUS

PDF

39.8 KB Created: 2020-08-01 20:19:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 79a95f7de7723e709ada7ffc34d50959 SHA-1: e36ccd1d92fd317ea2f2d67b2a8a4a78faaad039 SHA-256: d6118afc556d507e28a7ec9f40498d1af37dc9f117c6ec4dee18e918757ebad4
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 'https://ttraff.com/pify?keyword=hot+rod+american+street+drag+windows+10'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many of which are hosted on Shopify but some point to potentially malicious domains. The document body, though heavily obfuscated, contains the same redirector URL and appears to be a lure for malicious content.

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.com/pify?keyword=hot+rod+american+street+drag+windows+10
    • http://files.amyward123.com/uploads/1/3/2/6/132695321/7383c.pdf
    • http://files.rogersmechanicalinc.com/uploads/1/3/0/7/130739898/xifakazates_zulefik.pdf
    • http://files.isabelleduchene.com/uploads/1/3/0/9/130969761/kafoxizezuwebub_kiriva.pdf
    • https://cdn.shopify.com/s/files/1/0429/7093/9541/files/29171092365.pdf
    • https://cdn.shopify.com/s/files/1/0435/3861/2378/files/46851167818.pdf
    • https://cdn.shopify.com/s/files/1/0433/4528/1183/files/banivujasedoruxi.pdf
    • https://cdn.shopify.com/s/files/1/0429/3158/5180/files/41849525507.pdf
    • https://cdn.shopify.com/s/files/1/0439/9664/3486/files/jixunafupoledosiruvemobo.pdf
    • https://cdn.shopify.com/s/files/1/0429/2041/1303/files/malinokoregotatag.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/baludugosutagaxoreforodul.pdf
    • https://cdn.shopify.com/s/files/1/0434/1379/9066/files/51041811326.pdf
    • https://cdn.shopify.com/s/files/1/0435/4431/4024/files/90224604118.pdf
    • https://cdn.shopify.com/s/files/1/0429/8450/5498/files/lowosizozo.pdf
    • https://cdn.shopify.com/s/files/1/0433/4590/3774/files/tosejaweviruwag.pdf
    • https://cdn.shopify.com/s/files/1/0431/0115/9585/files/46573680697.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_off00005af7.bin
ce44e36380944afb4d989dd5c8e7776d8d9c9d0984dcc566cc84149a77d16599		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AF7 5476 bytes
font_01_sfnt_off00006d8f.bin
de1533c8c25733ee60a331903f9404f6ea8fbf5a4d120dc9c4f8c3b9b864a827		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D8F 10836 bytes

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