Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd7605ca3c111b6d…

MALICIOUS

PDF

51.6 KB Created: 2020-08-02 10:06:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 637704dc776e9be342b961fe14432ca5 SHA-1: e8f17bce52e410beb27e28baa4d0bf43d3f4639f SHA-256: dd7605ca3c111b6d9f7fcad83bdeb5798c6048382305306b6fa6ea2cacbd7f3a
120 Risk Score

Malware Insights

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

The PDF file contains a link farm designed to redirect users to malicious infrastructure. The primary malicious URL is https://ttraff.ru/pify?keyword=logitech+c310+driver, which is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to the driver and the redirector URL, suggesting a lure to download potentially malicious software. No scripts were extracted, limiting the analysis of the payload.

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.ru/pify?keyword=logitech+c310+driver
    • http://files.addressphonelist.com/uploads/1/3/0/8/130813427/riferejip_viluzopebazofad_bepuxoxa_dakavozedeza.pdf
    • http://files.mybackyardbuilder.com/uploads/1/3/0/7/130738835/tiginaselatike.pdf
    • http://files.cowboycookinwickenburg.com/uploads/1/3/2/3/132302923/piweja.pdf
    • http://files.savannahsunriserotary.org/uploads/1/3/1/4/131406893/jutezokexen.pdf
    • https://cdn.shopify.com/s/files/1/0433/8499/5991/files/pomufuxugoxadatevosage.pdf
    • https://cdn.shopify.com/s/files/1/0432/3147/7922/files/31725483921.pdf
    • https://cdn.shopify.com/s/files/1/0428/7266/8319/files/45175591022.pdf
    • https://cdn.shopify.com/s/files/1/0433/5999/4014/files/37605702955.pdf
    • https://cdn.shopify.com/s/files/1/0432/4828/7912/files/16801498813.pdf
    • https://cdn.shopify.com/s/files/1/0429/8558/6841/files/dememuge.pdf
    • https://cdn.shopify.com/s/files/1/0431/5856/9120/files/89631337574.pdf
    • https://cdn.shopify.com/s/files/1/0434/8297/2326/files/85687281531.pdf
    • https://cdn.shopify.com/s/files/1/0428/1958/4166/files/vorivojebozakulivejetev.pdf
    • https://cdn.shopify.com/s/files/1/0434/6868/5464/files/52053578413.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80023348890.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_off00008084.bin
375797422e42f97cfb7ff786fb5495039f2df782622e7c298d5b7279526ae1a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8084 5140 bytes
font_01_sfnt_off00009214.bin
8cad9ebc23edf6d27c35117f1902ccf04b8659712840bfb6a21d5598b9274414		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9214 15500 bytes

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