Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e2b1bffc040b4ab…

MALICIOUS

PDF

69.2 KB Created: 2020-08-02 09:45:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a6db4380794335959ab19e8b0d172eac SHA-1: 883a4d33f933e63a4dfc997a4c5474398aad5344 SHA-256: 9e2b1bffc040b4abcf6d02cc7af877c8a67b3fedbe12a9e788e1af342ae7c8f1
128 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is https://ttraff.cc/pify?keyword=film+semi+terbaru+2016. The document body, though heavily obfuscated, contains references to this URL and other Shopify links, suggesting a link farm or redirection scheme. The presence of urgency language further supports a phishing or social engineering attack pattern.

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.cc/pify?keyword=film+semi+terbaru+2016
    • http://files.exploreproductivity.com/uploads/1/3/1/4/131406518/3699767.pdf
    • http://files.sudburyhousing.org/uploads/1/3/0/8/130873908/geposovizuneke_wibezeladezivo_repifusi_paxel.pdf
    • http://files.hempsteadtrackandfield.com/uploads/1/3/1/4/131483445/lotaxoje_nomipidobuva.pdf
    • https://cdn.shopify.com/s/files/1/0429/6910/4540/files/89861025493.pdf
    • https://cdn.shopify.com/s/files/1/0431/7547/7414/files/88354289869.pdf
    • https://cdn.shopify.com/s/files/1/0430/0675/4970/files/7852953074.pdf
    • https://cdn.shopify.com/s/files/1/0429/7211/9193/files/35092091049.pdf
    • https://cdn.shopify.com/s/files/1/0432/1856/7335/files/wavivopiloxesawaze.pdf
    • https://cdn.shopify.com/s/files/1/0432/9940/5977/files/loroguzi.pdf
    • https://cdn.shopify.com/s/files/1/0435/0499/2421/files/5641007565.pdf
    • https://cdn.shopify.com/s/files/1/0429/8620/9439/files/65845860568.pdf
    • https://cdn.shopify.com/s/files/1/0434/7153/6285/files/leruwabugukukugulinogoso.pdf
    • https://cdn.shopify.com/s/files/1/0433/5868/3295/files/wutow.pdf
    • https://cdn.shopify.com/s/files/1/0432/9907/8304/files/fubexolimajinitamu.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_off0000d115.bin
e955423f2647dd76ae2840e3e3887497c399750411922d932008219dcaa2a54e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD115 5408 bytes
font_01_sfnt_off0000e361.bin
a412659bd2cfcc016d795b68410d4279b050339c0c8227d9926dc3f4b637164b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE361 10740 bytes

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