Malicious PDF — malware analysis report

Static analysis result for SHA-256 482e70ea7251943e…

MALICIOUS

PDF

47.5 KB Created: 2020-09-07 08:48:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0376a06c25546adb75ad4eea7549f4b6 SHA-1: a9a396c14e90cefe1998158f8267d537948e5338 SHA-256: 482e70ea7251943e6aafa3bdc54549d8f01bae2eebed90aebeab81bae961832e
128 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, identified as a PDF link farm. One of these links, https://ttraff.com/wix?keyword=valentine+day+images+with+quotes+free, points to known malicious redirector infrastructure. The document body, though heavily obfuscated, also contains this URL, suggesting it's a primary lure. The presence of urgency language further supports a malicious intent, likely to trick users into clicking the malicious link.

Heuristics 4

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=valentine+day+images+with+quotes+free
    • https://cdn.shopify.com/s/files/1/0432/1725/6603/files/aprilaire_humidifier_600_manual.pdf
    • https://cdn.shopify.com/s/files/1/0430/2356/4957/files/tedukuza.pdf
    • https://cdn.shopify.com/s/files/1/0435/4179/0871/files/google_sheets_script_set_cell_value.pdf
    • https://cdn.shopify.com/s/files/1/0431/0741/8273/files/48729282873.pdf
    • https://cdn.shopify.com/s/files/1/0431/0266/6906/files/jimozedupu.pdf
    • https://static.usrfiles.com/ugd/ef7b09_9820b8c14fb9476ab4ba076e50ef45bb.pdf
    • https://static.usrfiles.com/ugd/96a426_ee2c4dc5481a4d20853e0627620c026f.pdf
    • https://static.usrfiles.com/ugd/1f5cef_b595b55590e64862844f27dcce0c5d17.pdf
    • https://static.usrfiles.com/ugd/2f7815_3e48ff28912f46eea5caccc8527486af.pdf
    • https://static.usrfiles.com/ugd/2f3216_08e12fbae71144be9af5960347226e6f.pdf
    • https://static.usrfiles.com/ugd/b8c837_20459afc700a42488d6fbbe7b22ba76b.pdf
    • https://cdn.shopify.com/s/files/1/0429/2568/6951/files/74654394027.pdf
    • https://cdn.shopify.com/s/files/1/0432/7096/3350/files/40549882979.pdf
    • https://cdn.shopify.com/s/files/1/0437/4868/8033/files/93_jeep_wrangler.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_off00007ab3.bin
5143f2ad55c8073fecd8faf8d194a95c7e5edfbabf3531340b90311ca6f6b936
pdf-font-stream PDF embedded font (sfnt) at offset 0x7AB3 5608 bytes
font_01_sfnt_off00008dae.bin
c6157a63bab3f7af306b19fa47568f3b273f9a995985ca6f1ea79c0ac8c22681
pdf-font-stream PDF embedded font (sfnt) at offset 0x8DAE 10316 bytes