Malicious PDF — malware analysis report

Static analysis result for SHA-256 209ca285a302cd61…

MALICIOUS

PDF

39.5 KB Created: 2020-08-22 09:54:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6e926aaea398012136c4c4bf88727e9e SHA-1: f10c3824ece17ce21874f690e85721ef03458cd1 SHA-256: 209ca285a302cd6163065274ab8cfa75208a5e90ffb222b7b2336eb420ec5fc9
128 Risk Score

Malware Insights

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

The PDF file contains embedded links, one of which is identified as a malicious redirector. The document body, though partially corrupted, suggests a lure related to a 'monthly report'. The heuristic firings confirm the presence of a malicious redirector and a link farm, indicating a phishing or social engineering attempt. The primary malicious URL is https://ttraff.cc/pify?keyword=attached+is+the+monthly+report, which likely leads to further malicious content.

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=attached+is+the+monthly+report
    • http://dojexolit.jaxjacobsen.com/uploads/1/3/1/1/131164250/9393817.pdf
    • http://wororizom.focusonyou-online.net/uploads/1/3/0/7/130776167/9827474.pdf
    • https://cdn.shopify.com/s/files/1/0431/2439/2087/files/adobe_premiere_animated_title_templates.pdf
    • https://cdn.shopify.com/s/files/1/0435/6122/2307/files/on_dublin_street.pdf
    • https://cdn.shopify.com/s/files/1/0435/4686/9911/files/9816747932.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94608223162.pdf
    • https://cdn.shopify.com/s/files/1/0429/0409/2828/files/19383157851.pdf
    • https://cdn.shopify.com/s/files/1/0429/1615/1462/files/xofumiguturoka.pdf
    • https://cdn.shopify.com/s/files/1/0430/8054/8505/files/54759266312.pdf
    • https://cdn.shopify.com/s/files/1/0439/2927/2488/files/pewuxo.pdf
    • https://cdn.shopify.com/s/files/1/0429/7929/5383/files/87788999741.pdf
    • https://cdn.shopify.com/s/files/1/0433/7146/2814/files/yu_gi_oh_spirit_caller_guide.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_off00005bae.bin
65b38e4f59966ba2a3c2ee8a0eecc5222db63a3af6b6542ee4747976813119a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BAE 5404 bytes
font_01_sfnt_off00006de6.bin
24591c57e7a0216248e346828f45279d97a4643c1bd84a5f9bc1aa7803868671		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DE6 10424 bytes

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