Malicious PDF — malware analysis report

Static analysis result for SHA-256 2107d2b3b21a64f7…

MALICIOUS

PDF

36.7 KB Created: 2020-08-14 06:01:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 502fd5e880feb9ae1cc100d03f43ac49 SHA-1: 5d5e946958dd47f0a7257f2118e2b94883b94cce SHA-256: 2107d2b3b21a64f77bf92f9b89bed5f4a5286b20fe25089edc4b393b03b9a4cb
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to a game and the malicious URL. This suggests a social engineering lure to trick users into visiting a malicious site, likely for further exploitation or malware delivery.

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/pify?keyword=snake+mania+game+free
    • http://files.aarestoration.com/uploads/1/3/0/7/130776763/rajigevekese.pdf
    • http://files.ashlandchristianhealthcenter.org/uploads/1/3/2/6/132681150/7e36e2e05af.pdf
    • http://files.theopenskyinstitute.org/uploads/1/3/1/3/131398406/9599800.pdf
    • http://mivupalat.qcopennetwork.org/uploads/1/3/0/8/130874359/pojixij_getorimixigus_defepuvipojek.pdf
    • http://files.ashleybiscan.com/uploads/1/3/0/7/130776298/wopatapofevogefo.pdf
    • https://cdn.shopify.com/s/files/1/0439/1275/7400/files/kuremif.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80884551140.pdf
    • https://cdn.shopify.com/s/files/1/0432/0428/0481/files/41618979000.pdf
    • https://cdn.shopify.com/s/files/1/0431/4526/5312/files/64981183220.pdf
    • https://cdn.shopify.com/s/files/1/0437/4839/3112/files/lista_analise_combinatoria.pdf
    • https://cdn.shopify.com/s/files/1/0434/8130/1158/files/6782835530.pdf
    • https://cdn.shopify.com/s/files/1/0428/4756/8039/files/bepegivezasije.pdf
    • https://cdn.shopify.com/s/files/1/0431/8127/7345/files/senanuvazanomunozuza.pdf
    • https://cdn.shopify.com/s/files/1/0432/2902/0317/files/16009030101.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004593.bin
c09bd9bdd69444a2ea6cdf09b068ab95a564386e97fcb290bd8ae235cdca80ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4593 4644 bytes
font_01_sfnt_off0000552c.bin
c13c1d210e286feca7572eeb79a208a2ffcb4b0197d290eb99f092ca7a16dfca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x552C 10208 bytes
font_02_sfnt_off00007819.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7819 4324 bytes

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