Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3126a9259471afe…

MALICIOUS

PDF

41.0 KB Created: 2020-08-04 12:01:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4327cecea9eb43b4c3309d1a4ba69dc8 SHA-1: dd1355edf2cee0fbcdb724a35e861f3767327098 SHA-256: d3126a9259471afeaa381f634d3acd060b2fa4514ab384d28cf91fb15ddfac43
120 Risk Score

Malware Insights

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

The PDF document contains a mass external link farm, with a primary URL pointing to a known malicious redirector. The document body text, though heavily obfuscated, contains the string 'Panthers schedule 2020 pdf' which is likely a lure to entice users to click the malicious link. The embedded URLs are designed to redirect users to potentially harmful 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=panthers+schedule+2020+pdf
    • http://files.desert-snow.com/uploads/1/3/0/7/130775229/vegexurawuf-jixowu.pdf
    • http://files.boldlywentadventures.com/uploads/1/3/2/3/132303374/740e9e3a4769483.pdf
    • http://files.thedomainhobart.com/uploads/1/3/1/4/131454024/6a98d0.pdf
    • http://files.corinnekernmusic.org/uploads/1/3/2/7/132740665/aae816.pdf
    • http://files.sydneymilitaryofficersspringball.com/uploads/1/3/1/4/131453302/zomav.pdf
    • https://cdn.shopify.com/s/files/1/0431/5162/2306/files/17538084794.pdf
    • https://cdn.shopify.com/s/files/1/0431/7547/7416/files/nilezujodezuruxiwilote.pdf
    • https://cdn.shopify.com/s/files/1/0429/2476/9436/files/49325828630.pdf
    • https://cdn.shopify.com/s/files/1/0429/9754/7157/files/mijikavupafokutigugituj.pdf
    • https://cdn.shopify.com/s/files/1/0435/7862/2111/files/gewalowovisilude.pdf
    • https://cdn.shopify.com/s/files/1/0429/6497/5765/files/60141295512.pdf
    • https://cdn.shopify.com/s/files/1/0433/8457/0019/files/max_davis_themes_tumblr.pdf
    • https://cdn.shopify.com/s/files/1/0438/6645/6224/files/bonef.pdf
    • https://cdn.shopify.com/s/files/1/0435/7029/9038/files/73938427585.pdf
    • https://cdn.shopify.com/s/files/1/0431/8245/7000/files/pikozorat.pdf
    • https://cdn.shopify.com/s/files/1/0431/5276/9192/files/jevenugurupogobotinapimu.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bizisumexu.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_off000060da.bin
77cd6c39ac6c9cb9835813e3d7302351d322868577f4124e4ff7a45668e4ed10		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60DA 5516 bytes
font_01_sfnt_off00007395.bin
06f13901347f0c45ee268dbdd4f97c5903794f73a44a315e0481d61fb1dc87a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7395 10452 bytes

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