Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6d2c9015943be40…

MALICIOUS

PDF

47.4 KB Created: 2020-07-20 01:22:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3be5a36f7fddc6d900029608f8b6377c SHA-1: e0c5fdc39d6df4652f4433065888ded7dc0e509b SHA-256: c6d2c9015943be40e48766893eba0ac93c8217b2dd00dd66b4e4893720e27511
120 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, embedding a significant number of external links. One of these links, 'https://ttraff.cc/wb?keyword=valediction%20forbidding%20mourning%20poem%20summary%20pdf', is flagged as a malicious redirector. The presence of numerous links, including those hosted on Shopify, suggests an attempt to distribute malicious content or conduct phishing operations by overwhelming the user with choices or disguising malicious links among benign ones.

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/wb?keyword=valediction%20forbidding%20mourning%20poem%20summary%20pdf
    • http://files.twisted4kstudios.com/uploads/1/3/2/6/132681855/8edb6.pdf
    • http://files.burmantoftscommunityprojects.org/uploads/1/3/2/6/132681928/7019272.pdf
    • http://files.thecookieencounter.com/uploads/1/3/1/6/131636772/8311493.pdf
    • http://files.erasmusbyprimerasupport.com/uploads/1/3/1/3/131398250/8931353.pdf
    • http://files.copinwheelsforprevention.org/uploads/1/3/2/6/132696145/refigakokosi.pdf
    • http://files.thecookieencounter.com/uploads/
    • https://cdn.shopify.com/s/files/1/0427/6686/0455/files/3120551015.pdf
    • https://cdn.shopify.com/s/files/1/0431/7901/6360/files/94792236359.pdf
    • https://cdn.shopify.com/s/files/1/0431/8917/4432/files/53093266917.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/57308776079.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9525543421.pdf
    • https://tovotuwag.files.wordpress.com/2020/06/diraporelufotapamutimif.pdf
    • https://takipeximon.files.wordpress.com/2020/06/vasanizajewok.pdf
    • https://doxigalik.files.wordpress.com/2020/06/bexiv.pdf
    • https://xolirinef.files.wordpress.com/2020/07/jedawepi.pdf
    • https://jilenad.files.wordpress.com/2020/07/11077006088.pdf
    • https://cdn.shopify.com/s/files/1/0430/4257/0402/files/2683250634.pdf
    • https://cdn.shopify.com/s/files/1/0430/1222/7225/files/vobitotofubabufatigojone.pdf
    • https://cdn.shopify.com/s/files/1/0429/1959/2102/files/48698233945.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84312174386.pdf
    • https://cdn.shopify.com/s/files/1/0432/5107/3174/files/nowaduk.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xawifakupubegezixezo.pdf
    • https://cdn.shopify.com/s/files/1/0434/8562/6520/files/70790352683.pdf
    • https://cdn.shopify.com/s/files/1/0431/7901/6360/files/50740755287.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_off00007c1a.bin
9193c8ac9bb40427620a55d7675b4a7fac7c019fd64dfd760d9aece8515c4fb0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C1A 5564 bytes
font_01_sfnt_off00008ef0.bin
e339de49789dd8c7777d0be4f8fc3f201f1ca7216bbec50c390e5ae5c31397ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8EF0 9696 bytes

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