Malicious PDF — malware analysis report

Static analysis result for SHA-256 e07fa47d4e3e326f…

MALICIOUS

PDF

37.7 KB Created: 2020-08-20 07:11:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 854e209c4e45ce32b1dd88a6b70bd27b SHA-1: 246bb5bfe239a2e241769cecb2e704788167999c SHA-256: e07fa47d4e3e326ff9f5977fed0da1b0f37d8b660d3c0ddae14c0c43254a791c
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'analysis of economic data'. The primary malicious IOC is the redirector URL, which likely leads to further malicious content or phishing pages.

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=analysis+of+economic+data+pdf
    • http://files.mealsformedicine.com/uploads/1/3/0/8/130874026/9018e98aba1.pdf
    • https://cdn.shopify.com/s/files/1/0430/6678/5953/files/35311996255.pdf
    • https://cdn.shopify.com/s/files/1/0433/7414/9793/files/music_and_lyrics_imdb_parents_guide.pdf
    • https://cdn.shopify.com/s/files/1/0432/4343/8244/files/19089548578.pdf
    • https://cdn.shopify.com/s/files/1/0430/3529/5905/files/bejejezolururabasu.pdf
    • https://cdn.shopify.com/s/files/1/0435/2724/1879/files/tobexub.pdf
    • https://cdn.shopify.com/s/files/1/0433/8424/2337/files/velitaxixojizuze.pdf
    • https://cdn.shopify.com/s/files/1/0437/9148/3031/files/manepopusufolugor.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_off000056c8.bin
401c2d9801857e5e63c38e1abbfe64475d7bff5259d675b0a1c30d3adfecb312		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56C8 5296 bytes
font_01_sfnt_off000068c6.bin
f1d20b1493e82946ff01c7e8e6c4d4667b922641f1dd457dba1bf52d90fd9aa6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68C6 9912 bytes

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