Malicious PDF — malware analysis report

Static analysis result for SHA-256 26f18e1a8fe67158…

MALICIOUS

PDF

40.6 KB Created: 2020-08-25 05:28:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 59fdd843beb14f0e1aea5570a415f41c SHA-1: d63359743b5d3bdd7af8dae78597809b1c48663a SHA-256: 26f18e1a8fe6715837cfaa67e93d38d0fbf01619dfcd8684f7b5efdfbfcfbcaf
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector. The document body, though partially corrupted, contains text referencing 'Ipl 2019 final schedule pdf' and a URL that aligns with the malicious redirector heuristic. This suggests the document is designed to trick users into visiting malicious sites under the guise of providing a schedule.

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=ipl+2019+final+schedule+pdf
    • http://files.sigmakappaomega.com/uploads/1/3/0/7/130775907/e36495.pdf
    • https://cdn.shopify.com/s/files/1/0432/0952/3355/files/burewosuxaxipufereb.pdf
    • https://cdn.shopify.com/s/files/1/0434/2494/0184/files/123_media_player_classic_for_mac.pdf
    • https://cdn.shopify.com/s/files/1/0437/3990/6197/files/impetus_crossword_answer.pdf
    • https://cdn.shopify.com/s/files/1/0440/8626/3960/files/2020_aha_guidelines_for_cpr_and_ecc.pdf
    • https://cdn.shopify.com/s/files/1/0434/8094/0710/files/sony_dsc_828.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/domamusuvusuzexi.pdf
    • https://cdn.shopify.com/s/files/1/0428/2325/4183/files/70229256471.pdf
    • https://cdn.shopify.com/s/files/1/0434/1720/6946/files/kagawixusixovajeruvubeto.pdf
    • https://cdn.shopify.com/s/files/1/0430/4614/2114/files/chemistry_lab_manual_class_9_cbse.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/67331216746.pdf
    • https://cdn.shopify.com/s/files/1/0431/3025/7568/files/66394495130.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_off00005717.bin
cc62b07d379fb474bf28a05c73e7e552d76cebe052ace7a21dc78b796c7eddd9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5717 5568 bytes
font_01_sfnt_off000069f6.bin
96df88be6cd031e7564dc169df782bcf4be5c4021cbd433b9a195c5857908891		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69F6 14420 bytes

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