Malicious PDF — malware analysis report

Static analysis result for SHA-256 b12bd82f3baddf75…

MALICIOUS

PDF

70.7 KB Created: 2020-08-02 10:44:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 40bd084b08117e056c34371a73268e8b SHA-1: c6bac8dfaa445a294d672ef307ecbac37eec542d SHA-256: b12bd82f3baddf75821c7dc927a0b9b5dd86fecc1d90c08c24a917858d6f1fd8
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains numerous links, including one pointing to a known malicious redirector at 'ttraff.com'. The document body, though malformed, suggests a lure related to a 'Global business today' PDF. The presence of a malicious redirector indicates an attempt to lead the user to a compromised or malicious site, likely for further exploitation or credential harvesting. No scripts were extracted from this sample.

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=global+business+today+8th+edition+pdf+free
    • http://files.createwithcaseyfinnell.com/uploads/1/3/2/6/132696018/lawabetuxe.pdf
    • http://files.leighbivens.com/uploads/1/3/2/6/132682787/lagebutoluwimu_dekawamej.pdf
    • http://files.weatherstonechestersprings.com/uploads/1/3/1/3/131378950/0e3fb068a5.pdf
    • http://files.drmamouzette.com/uploads/1/3/1/3/131379894/nijomeluramomik_puvivuriko.pdf
    • https://digitalcontentmarket.org/wp-content/uploads/2018/01/Download-T
    • https://cdn.shopify.com/s/files/1/0434/1107/9317/files/12630981765.pdf
    • https://cdn.shopify.com/s/files/1/0430/8343/2096/files/48742514015.pdf
    • https://cdn.shopify.com/s/files/1/0435/4693/5451/files/28766624217.pdf
    • https://cdn.shopify.com/s/files/1/0432/5064/7202/files/tozusawusog.pdf
    • https://cdn.shopify.com/s/files/1/0435/3431/9776/files/46180451343.pdf
    • https://cdn.shopify.com/s/files/1/0434/6318/0454/files/wesapotibanelepaloralir.pdf
    • https://cdn.shopify.com/s/files/1/0431/6908/7642/files/32637828032.pdf
    • https://cdn.shopify.com/s/files/1/0430/5240/0793/files/pilun.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32177526878.pdf
    • https://cdn.shopify.com/s/files/1/0430/0357/6481/files/40640988122.pdf
    • https://cdn.shopify.com/s/files/1/0431/1954/2434/files/jaxafowuduledurosumo.pdf
    • https://cdn.shopify.com/s/files/1/0432/6539/2804/files/dadalikotumiwitajawolimog.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_off0000d590.bin
0948a9f267a8779baf034cf815eb82732e506454e6cc1843f4e97702a0d821b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD590 5596 bytes
font_01_sfnt_off0000e894.bin
7ead5d53879523a3743b686f4d63fe5970eab4c6ca2b18bdd06e5dd3e8535a72		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE894 10832 bytes

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