Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ac65b9f90a8293b…

MALICIOUS

PDF

65.7 KB Created: 2020-08-24 14:46:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 72a07e3d7635e3c849371a048e8dac0d SHA-1: 2d14629f6b8a45882a5b497b7deeceb9d3731515 SHA-256: 8ac65b9f90a8293bbcfb9bb2328be55979492a84ccb6ef72be32a289501b623b
120 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as an auditor's report. This link, 'https://ttraff.cc/pify?keyword=auditor%2527+s+report+example', leads to a link farm, indicating a phishing or malicious redirection attempt. The presence of numerous external PDF links further supports the classification as a link farm, likely intended to obscure the final malicious destination or to generate traffic.

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.cc/pify?keyword=auditor%2527+s+report+example
    • http://fumumila.runsquadopo.org/uploads/1/3/0/8/130873951/nokoxako_sefawikabuguxos_retox.pdf
    • https://cdn.shopify.com/s/files/1/0433/2650/5118/files/jivajogubewudeposutegi.pdf
    • https://cdn.shopify.com/s/files/1/0432/5713/5257/files/88663154964.pdf
    • https://cdn.shopify.com/s/files/1/0462/7215/1714/files/apologies_that_never_came_pierre_jeanty.pdf
    • https://cdn.shopify.com/s/files/1/0428/3029/9292/files/blender_software_with_crack.pdf
    • https://cdn.shopify.com/s/files/1/0460/2780/0735/files/man_kyon_behka_re_video_song.pdf
    • https://cdn.shopify.com/s/files/1/0429/9315/6259/files/dijov.pdf
    • https://cdn.shopify.com/s/files/1/0436/5982/1209/files/fojinikakaku.pdf
    • https://cdn.shopify.com/s/files/1/0435/6934/8763/files/mufuxoruzefupesipapule.pdf
    • https://cdn.shopify.com/s/files/1/0433/3741/6869/files/kuvin.pdf
    • https://cdn.shopify.com/s/files/1/0430/7792/7063/files/tetabidamonase.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_off0000b805.bin
854d2be086f39a2eb464f99015d337910176d4852f3b6fd38a82b961895a935b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB805 4972 bytes
font_01_sfnt_off0000c8f4.bin
a86e8df895b92d9ee12844a84c2adc2646fad6287d3898f9bee81c0aecb4b88e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC8F4 10208 bytes
font_02_sfnt_off0000ebe2.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEBE2 4324 bytes

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