Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7942ede00e527fe…

MALICIOUS

PDF

51.5 KB Created: 2020-08-05 18:29:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4ecd0c774fb1b934c8d956b59cb3e7a7 SHA-1: 6165e24e5d88a1528e48ed1d258634f842957cc0 SHA-256: c7942ede00e527fe0d8da14a3966369d58d5990061bef28383b8538b8be1b372
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but the primary link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the same URL as the primary malicious link, suggesting a lure for users to download further content. No scripts were extracted, limiting the analysis of the execution chain.

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=ssc+stenographer+old+paper+pdf
    • http://files.graysamericanbulldogs.com/uploads/1/3/1/6/131637701/1ac48e39a2806.pdf
    • http://kiwewej.mariemanski.com/uploads/1/3/1/4/131408738/4893870.pdf
    • http://files.mchasonsokol.com/uploads/1/3/2/7/132740541/2913010.pdf
    • https://cdn.shopify.com/s/files/1/0436/9262/1978/files/10365986392.pdf
    • https://cdn.shopify.com/s/files/1/0433/8309/5459/files/63773521509.pdf
    • https://cdn.shopify.com/s/files/1/0434/4381/4560/files/lubumawupafu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kevaziretojigadogikoranab.pdf
    • https://cdn.shopify.com/s/files/1/0431/0574/7108/files/batib.pdf
    • https://cdn.shopify.com/s/files/1/0432/8734/7364/files/52368210011.pdf
    • https://cdn.shopify.com/s/files/1/0432/0926/1217/files/23380532348.pdf
    • https://cdn.shopify.com/s/files/1/0436/1709/1744/files/lofurabis.pdf
    • https://cdn.shopify.com/s/files/1/0430/5915/1009/files/levugavemezopidofixum.pdf
    • https://cdn.shopify.com/s/files/1/0432/7912/2587/files/manual_trash_compactor.pdf
    • https://cdn.shopify.com/s/files/1/0430/3169/1421/files/89413752224.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000067fe.bin
11250bf60423d9c16b26417dd86f0262feb3b86945c99feaf81ce928623fa38f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67FE 5260 bytes
font_01_sfnt_off000079bd.bin
e778bceaecf7d39eb6df6d229c3bbe09e93189bfeb68d989b241b2fa33fc9c70		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79BD 14736 bytes
font_02_sfnt_off0000a717.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA717 4324 bytes
font_03_sfnt_off0000b516.bin
ee8afa51e50492bdf4d25b6b01818d2021856a0eb5271b70f188e6d094f25891		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB516 2832 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.