Malicious PDF — malware analysis report

Static analysis result for SHA-256 cedbb0ddc7d03ba9…

MALICIOUS

PDF

44.2 KB Created: 2020-08-19 11:46:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 91e5083636eabd31face37186420d392 SHA-1: bb36a3830e005792c3ec9cf490c6d866b052affe SHA-256: cedbb0ddc7d03ba9a5397343701dee487b43dd12677a9df0e7b7c1e7518c265c
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at `https://ttraff.cc/pify?keyword=d2+xenophage+quest+guide`. This suggests a phishing or scam attempt, using a game guide lure to entice clicks. The document body, though heavily obfuscated, contains the malicious URL and other benign-looking PDF links, reinforcing the lure.

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=d2+xenophage+quest+guide
    • http://files.ryanshowland.com/uploads/1/3/0/8/130814058/2166429.pdf
    • http://files.create-diy-online.com/uploads/1/3/1/0/131069898/7fad07121a.pdf
    • https://cdn.shopify.com/s/files/1/0431/8255/5300/files/ark_dye_command.pdf
    • https://cdn.shopify.com/s/files/1/0432/1558/5448/files/andrographis_paniculata_review.pdf
    • https://cdn.shopify.com/s/files/1/0435/7931/0239/files/expanse_reading_order.pdf
    • https://cdn.shopify.com/s/files/1/0431/1695/3751/files/xabugejawuwamefuzepif.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87967576867.pdf
    • https://cdn.shopify.com/s/files/1/0433/3935/0181/files/33981871622.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wajumibuxup.pdf
    • https://cdn.shopify.com/s/files/1/0431/6866/1670/files/judavup.pdf
    • https://cdn.shopify.com/s/files/1/0433/5458/7288/files/6584134271.pdf
    • https://cdn.shopify.com/s/files/1/0428/5494/0828/files/vigirosim.pdf
    • https://cdn.shopify.com/s/files/1/0429/0176/6310/files/canara_bank_current_account_form.pdf
    • https://cdn.shopify.com/s/files/1/0434/0577/0904/files/4721974386.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_off00006f66.bin
23f6bed17d6d92bbbdd53092511ab347e488182bbfb41ca26d028ffcd4d2aadb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F66 5416 bytes
font_01_sfnt_off000081cf.bin
cca79dffe9d72cc91f015c8fba8b6d230d8e37130a29cd4a11efb0f32fc43d08		 pdf-font-stream PDF embedded font (sfnt) at offset 0x81CF 10128 bytes

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