Malicious PDF — malware analysis report

Static analysis result for SHA-256 eabf38ae8df16ab6…

MALICIOUS

PDF

40.6 KB Created: 2020-08-23 06:52:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5d84e817967fea52e86e9fb6dce2d6ea SHA-1: d3c016a2aebf09fd460ccc3b58aeec9b2a44e245 SHA-256: eabf38ae8df16ab6e4770fedaf6f3c78685f38101e435940ec383c0575576792
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious Link T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=epfo+online+kyc+form'. This URL is associated with a payment redirection lure, suggesting a phishing attempt. The document also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify, likely to obscure the malicious intent. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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=epfo+online+kyc+form
    • http://files.bradfordwatkinsmedia.com/uploads/1/3/1/3/131381363/ferosalu-juzuroxox.pdf
    • http://files.jimpendergrass.com/uploads/1/3/2/8/132815961/xabixejeje-nenowapiwage-jisematonalon.pdf
    • https://cdn.shopify.com/s/files/1/0432/7941/7504/files/xitomobekiso.pdf
    • https://cdn.shopify.com/s/files/1/0431/8085/1364/files/1897815400.pdf
    • https://cdn.shopify.com/s/files/1/0430/3729/4754/files/what_are_christian_values.pdf
    • https://cdn.shopify.com/s/files/1/0465/4478/1462/files/bleacher_report_apply.pdf
    • https://cdn.shopify.com/s/files/1/0428/8158/1209/files/canadian_visitor_visa_application_form_jamaica.pdf
    • https://cdn.shopify.com/s/files/1/0431/9494/1603/files/vexulol.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32377204601.pdf
    • https://cdn.shopify.com/s/files/1/0437/8581/4177/files/64149282826.pdf
    • https://cdn.shopify.com/s/files/1/0440/5824/7320/files/bitemawa.pdf
    • https://cdn.shopify.com/s/files/1/0433/0127/3758/files/us_polo_assn_watch_us9061_manual.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_off00006175.bin
abf3b6b194d2038b0db24d9db820438d0dba148e92c3ab174d9285ff8a77954b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6175 4896 bytes
font_01_sfnt_off00007218.bin
13beeeb5e776d76e23a9b68605cb3277ab31fa9ec7d455ae8aa808112a5ed901		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7218 10380 bytes

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