Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d2fe4c020b4fde4…

MALICIOUS

PDF

37.3 KB Created: 2020-08-30 02:43:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5e8a517b5dadd948e8bacc2210066836 SHA-1: 706a898e41aeaf821fdbd485203e3a7b0d24ff8f SHA-256: 9d2fe4c020b4fde455a1f0baafbbf07ea3babc283b46f398eb10463552baaeb6
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/wix?keyword=fevicol+heatx+technical+data+sheet'. This URL is presented within the document body, disguised as a technical data sheet, to entice users to click it. The file also contains a large number of embedded links, many of which point to Shopify domains, suggesting a link farm or SEO manipulation tactic. The primary malicious URL is the most critical IOC.

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/wix?keyword=fevicol+heatx+technical+data+sheet
    • https://static.usrfiles.com/ugd/8de238_c16141431c074df7806a9eeff611972e.pdf
    • https://static.usrfiles.com/ugd/0d9a50_d9bd076ec07c47b6900228ac0cd8b9ea.pdf
    • https://static.usrfiles.com/ugd/33a16d_2e2c4dbbbfec4d129dcfab570d1f27f2.pdf
    • https://cdn.shopify.com/s/files/1/0429/7241/4106/files/git_commit_author.pdf
    • https://cdn.shopify.com/s/files/1/0435/4444/5092/files/panasonic_kxt_824.pdf
    • https://cdn.shopify.com/s/files/1/0434/1373/3534/files/tepazetisolinu.pdf
    • https://cdn.shopify.com/s/files/1/0430/8297/3346/files/19226327459.pdf
    • https://cdn.shopify.com/s/files/1/0430/4168/5665/files/81382179098.pdf
    • https://cdn.shopify.com/s/files/1/0427/4041/6678/files/5735210975.pdf
    • https://cdn.shopify.com/s/files/1/0435/7554/1919/files/quincy_2v41c60vc_air_compressor.pdf
    • https://cdn.shopify.com/s/files/1/0427/3196/2535/files/ravof.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_off0000408b.bin
ce55a485918cf90d8da69854abc80c4de3b9c74b80323634b79e867842cd7419		 pdf-font-stream PDF embedded font (sfnt) at offset 0x408B 5016 bytes
font_01_sfnt_off00005192.bin
c2c3df1e5d55ed7409d1f3b37ce1e4e7086e6e7744c3f6acaca86eb7137aeeee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5192 9720 bytes
font_02_sfnt_off000072ee.bin
c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72EE 16164 bytes

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