Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd58be83997873c4…

MALICIOUS

PDF

43.4 KB Created: 2020-08-30 12:36:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 606acfcad4e93d83b32d49b965506178 SHA-1: a3c1fb4ec12c4d0cfa4b378cd178c8c0f4e845e5 SHA-256: dd58be83997873c409832f7dff4e985471235da55a501f4e017f2ed5ace723fe
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, masquerading as a document titled 'The garlic ballads pdf'. One of these links, https://ttraff.com/wix?keyword=the+garlic+ballads+pdf, points to known malicious redirector infrastructure. The document's primary purpose appears to be to drive traffic to this malicious URL through a link farm technique.

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.com/wix?keyword=the+garlic+ballads+pdf
    • https://cdn.shopify.com/s/files/1/0431/6728/5410/files/62423986747.pdf
    • https://cdn.shopify.com/s/files/1/0433/6808/7711/files/30151753319.pdf
    • https://cdn.shopify.com/s/files/1/0430/5531/7149/files/topozabixafipilotisenutup.pdf
    • https://cdn.shopify.com/s/files/1/0429/2375/3635/files/gebur.pdf
    • https://cdn.shopify.com/s/files/1/0431/5129/4619/files/agreeing_to_disagree.pdf
    • https://cdn.shopify.com/s/files/1/0432/6273/8592/files/atwood_g6a-_8e_manual.pdf
    • https://cdn.shopify.com/s/files/1/0431/5738/9472/files/31131911179.pdf
    • https://cdn.shopify.com/s/files/1/0430/8982/1845/files/32263431341.pdf
    • https://cdn.shopify.com/s/files/1/0435/6302/4547/files/ledobisunejube.pdf
    • https://static.usrfiles.com/ugd/b8c837_c4561c2183f94120b0ed500ba06b6d3c.pdf
    • https://static.usrfiles.com/ugd/b8c837_559675a73b904d7ba612f4eb3e05f2b7.pdf
    • https://static.usrfiles.com/ugd/b8c837_a0bad03dd9e14df385d2d34b03e16fb8.pdf
    • https://static.usrfiles.com/ugd/756799_d1640bdff557438fb327875f881666b9.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_off00006c3f.bin
e0e0161211bb8df949ca2bc541c63c52a81566f551f2ee3598a57ffa70f91fc2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C3F 5504 bytes
font_01_sfnt_off00007eeb.bin
5b37214869fc56a91d2164b2f7fd304168c428d893d8aa8d3ce09bb933ab9848		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7EEB 10088 bytes

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