Malicious PDF — malware analysis report

Static analysis result for SHA-256 5620ab56b8f951dc…

MALICIOUS

PDF

42.5 KB Created: 2020-08-20 00:58:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 556b29bf146066015686ce758957fb07 SHA-1: c13f6cb3194e9a8de8e97050c71f6ff44da43be7 SHA-256: 5620ab56b8f951dca62aa0c352e7f32fe19b0c3aedbccae48e4077df18ec0f96
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many of which point to a redirector service. The document body, though heavily obfuscated, contains text that appears to be a lure for movie downloads, which in turn contains a link to the malicious redirector. This suggests a phishing or scam attempt designed to lead users to malicious content.

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.ru/pify?keyword=dhakad+chhora+full+movie++720p
    • http://files.michellebullivant.com/uploads/1/3/0/8/130874207/9e21abbc.pdf
    • https://cdn.shopify.com/s/files/1/0430/3139/6501/files/free_sat_tv_guide_uk.pdf
    • https://cdn.shopify.com/s/files/1/0440/9986/2680/files/4876319542.pdf
    • https://cdn.shopify.com/s/files/1/0434/9480/1568/files/dasatemez.pdf
    • https://cdn.shopify.com/s/files/1/0437/2001/6021/files/ruzutejoro.pdf
    • https://cdn.shopify.com/s/files/1/0430/0311/7721/files/kawasaki_z750r_service_manual.pdf
    • https://cdn.shopify.com/s/files/1/0434/0842/5123/files/948968921.pdf
    • https://cdn.shopify.com/s/files/1/0435/2920/7957/files/contoh_siklus_akuntansi_perusahaan_dagang_lengkap.pdf
    • https://cdn.shopify.com/s/files/1/0433/2909/3784/files/61093899551.pdf
    • https://cdn.shopify.com/s/files/1/0433/4754/2175/files/appealing_against_parking_ticket_letter_template.pdf
    • https://cdn.shopify.com/s/files/1/0431/3173/2119/files/2020998346.pdf
    • https://cdn.shopify.com/s/files/1/0439/6980/6494/files/xerobibuxolibamuxoduw.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_off00004e73.bin
0e6f9ce45c169289cdb463c5bb82c5da7be7c062efbb973e9bfa1d90e3b83eb4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E73 5696 bytes
font_01_sfnt_off000061bf.bin
2db456dd0e4bd717d98a5adcf35cfc2d125cd8dadc49c0f85d2d25a42cce61c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61BF 10072 bytes
font_02_sfnt_off0000847b.bin
cc46df320f825a29738dd048986a13fc5fb420690f9134a3296993f5f50c3479		 pdf-font-stream PDF embedded font (sfnt) at offset 0x847B 7216 bytes

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