Malicious PDF — malware analysis report

Static analysis result for SHA-256 d06d8b08ef11d2b2…

MALICIOUS

PDF

41.9 KB Created: 2020-09-02 03:21:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8d622d8f8cae270313325d32e71b2b90 SHA-1: 09e149e00b1aee293dab60b312f424918dbdb75e SHA-256: d06d8b08ef11d2b2d8fef0fdf62b1b067fa7fcdf0cf5a1440d839c2846c7428d
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, a common tactic for SEO poisoning or redirecting users to malicious sites. One prominent link, 'https://ttraff.cc/wix?keyword=alternative+to+camscanner+android', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and appears to be a lure related to Android applications, suggesting a phishing or redirection attempt.

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/wix?keyword=alternative+to+camscanner+android
    • https://cdn.shopify.com/s/files/1/0432/9937/3214/files/34854260912.pdf
    • https://cdn.shopify.com/s/files/1/0436/7987/5225/files/zinibanugipulagifiliwut.pdf
    • https://cdn.shopify.com/s/files/1/0431/6676/1120/files/72200926728.pdf
    • https://cdn.shopify.com/s/files/1/0432/0028/2783/files/snackbar_error_android_studio.pdf
    • https://cdn.shopify.com/s/files/1/0431/2258/9853/files/4255936173.pdf
    • https://cdn.shopify.com/s/files/1/0433/3817/0526/files/chromecast_google_photos.pdf
    • https://cdn.shopify.com/s/files/1/0427/6954/7431/files/bevifafogar.pdf
    • https://cdn.shopify.com/s/files/1/0438/1917/2000/files/33584555634.pdf
    • https://cdn.shopify.com/s/files/1/0435/6263/1326/files/xujomatapixaxesikub.pdf
    • https://cdn.shopify.com/s/files/1/0431/6299/2795/files/kotodafa.pdf
    • https://static.usrfiles.com/ugd/90661f_887d448d065f4c548eef8c3bacb4f86c.pdf
    • https://static.usrfiles.com/ugd/f1c748_f3c6c9e8ac4840128d415a67fac85dbf.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_off00006780.bin
2a2a029ba364042dec5da3f6cf8a69112ac89a8a7c3ab20f9b75da8867973fee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6780 5136 bytes
font_01_sfnt_off000078dd.bin
86e3cefc873a5c2a15e4c5764d13591dda0e30acdb019d75f96439644a0991ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x78DD 10048 bytes

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