Malicious PDF — malware analysis report

Static analysis result for SHA-256 2848e4cdbc6fa0b1…

MALICIOUS

PDF

132.0 KB Created: 2020-08-05 16:14:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 514135073a8ce87679be3dfc03785755 SHA-1: 07a21ee5f66def8f2121bf2c238631b21b2c044c SHA-256: 2848e4cdbc6fa0b15ad5983555196a1b45f0862d9a29e6c9b66ab7d9600fd258
120 Risk Score

Malware Insights

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

The PDF contains a mass external PDF link farm, with many links pointing to benign Shopify domains but one critical link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=utilitarianism+theory+definition+pdf'. This suggests the document is designed to redirect users to malicious content under the guise of providing a PDF on utilitarianism. No scripts were extracted, limiting the analysis of direct execution capabilities.

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/pify?keyword=utilitarianism+theory+definition+pdf
    • http://files.soniamadelineevents.com.au/uploads/1/3/1/8/131856632/f4314c32232.pdf
    • http://files.fatshanrecords.com/uploads/1/3/1/3/131398406/291125.pdf
    • http://files.kirschlaw.com/uploads/1/3/1/0/131070062/421213.pdf
    • http://files.nmsfamilycenter.org/uploads/1/3/1/8/131856602/8343195.pdf
    • http://files.charmingandchair-ished.com/uploads/1/3/1/6/131636642/a0982758cb.pdf
    • https://cdn.shopify.com/s/files/1/0435/2560/3488/files/e40_block_brochure_torrent.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kaxepetumikikexozifaxu.pdf
    • https://cdn.shopify.com/s/files/1/0427/7954/1671/files/72955539045.pdf
    • https://cdn.shopify.com/s/files/1/0431/9114/0510/files/dunen.pdf
    • https://cdn.shopify.com/s/files/1/0433/8991/1194/files/vulibemelu.pdf
    • https://cdn.shopify.com/s/files/1/0434/0583/6438/files/pufudafadoburisotaxipem.pdf
    • https://cdn.shopify.com/s/files/1/0429/7680/5013/files/44711083156.pdf
    • https://cdn.shopify.com/s/files/1/0436/3422/9398/files/nofiseni.pdf
    • https://cdn.shopify.com/s/files/1/0430/7540/3936/files/20256697797.pdf
    • https://cdn.shopify.com/s/files/1/0431/9268/0611/files/10716706861.pdf
    • https://cdn.shopify.com/s/files/1/0431/4628/1122/files/4573366869.pdf
    • https://cdn.shopify.com/s/files/1/0434/5475/9069/files/293101642.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001bf00.bin
60599f7af1e923a7f083e8cd360cb552baf8027dc0f1182f3f6dd8e58392f14e
pdf-font-stream PDF embedded font (sfnt) at offset 0x1BF00 5164 bytes
font_01_sfnt_off0001d05e.bin
eef92be7eb3bed8098ff11ff59aa36c927e702b77f0f76adf5d9fd3c0ae0c331
pdf-font-stream PDF embedded font (sfnt) at offset 0x1D05E 10388 bytes
font_02_sfnt_off0001f3fc.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176
pdf-font-stream PDF embedded font (sfnt) at offset 0x1F3FC 4324 bytes