Malicious PDF — malware analysis report

Static analysis result for SHA-256 f040b29a5be5c7f2…

MALICIOUS

PDF

72.7 KB Created: 2020-08-15 05:47:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b18a46cbefbd5d1cba02bd23436656d4 SHA-1: de387d84c8cd6fd662919e74d2a8fa2a770822ae SHA-256: f040b29a5be5c7f2fba0d324155578624f7509f260c5c9deeb2fd827857b123b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a lure related to 'comprehensive agrarian reform program' which is a common tactic for advance-fee scams. It embeds multiple links, including one to a known malicious redirector at ttraff.com. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms the redirection to malicious infrastructure. The document body, though heavily obfuscated, contains the same URL, suggesting the primary intent is to drive traffic to this malicious site.

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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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/pify?keyword=articles+about+comprehensive+agrarian+reform+program
    • http://files.erhsxc.com/uploads/1/3/2/6/132681749/8543559.pdf
    • https://cdn.shopify.com/s/files/1/0428/7420/8419/files/lowizadoxulezetotosito.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/55628578329.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bizisumexu.pdf
    • https://cdn.shopify.com/s/files/1/0437/2099/9064/files/61233824685.pdf
    • https://cdn.shopify.com/s/files/1/0430/7946/7162/files/timapolapisawadojajibijo.pdf
    • https://cdn.shopify.com/s/files/1/0436/3767/0041/files/libew.pdf
    • https://cdn.shopify.com/s/files/1/0430/6753/9623/files/45822168673.pdf
    • https://cdn.shopify.com/s/files/1/0432/6581/8790/files/islamic_books_download_bangla.pdf
    • https://cdn.shopify.com/s/files/1/0430/5682/4471/files/john_deere_employees_self_service.pdf
    • https://cdn.shopify.com/s/files/1/0430/2798/8634/files/54897099905.pdf
    • https://cdn.shopify.com/s/files/1/0431/4251/2802/files/vezerexopivikakaje.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_off0000df49.bin
a9a1893211c5e93dde034ca6cf75eb8919fbecc67f101f2c9ba763e8c928f773		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDF49 5620 bytes
font_01_sfnt_off0000f23d.bin
a491fd4074b01c92e1acec661cd54e1cf8291e2060805d3877b00226802acbd5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF23D 10372 bytes

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