Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e79fd7fc135bf70…

MALICIOUS

PDF

46.2 KB Created: 2020-08-03 04:40:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 86d57d9418fc6160bcc1bf2bd484d460 SHA-1: 3987e06d2ae2141106d7229ab17584012ea89410 SHA-256: 1e79fd7fc135bf7044c2d93ecfdc38361a1d94adc4695f35455191d0a14b44ab
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external PDFs hosted on Shopify. One of the primary links, 'https://ttraff.cc/pify?keyword=css+media+queries+template', is identified as a malicious redirector. This suggests the document is designed to lead users to malicious content through a link farm, likely for phishing or malware distribution. 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.cc/pify?keyword=css+media+queries+template
    • http://rorezamog.leeannewright.com/uploads/1/3/2/8/132814930/974096.pdf
    • http://files.katascuba.com/uploads/1/3/1/4/131483253/5349126.pdf
    • http://files.andrewmichaelart.com/uploads/1/3/1/4/131408529/59fa416c9cccb3.pdf
    • http://files.rodbrunet.com/uploads/1/3/0/7/130740536/vetulidodoj.pdf
    • https://cdn.shopify.com/s/files/1/0430/7920/5018/files/divebagegi.pdf
    • https://cdn.shopify.com/s/files/1/0434/7658/2552/files/88607879961.pdf
    • https://cdn.shopify.com/s/files/1/0438/0177/2192/files/wanna_know_drake_diss.pdf
    • https://cdn.shopify.com/s/files/1/0440/0647/3886/files/89609536878.pdf
    • https://cdn.shopify.com/s/files/1/0440/8714/8709/files/71909651992.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nejoxalivivurotuzepebibus.pdf
    • https://cdn.shopify.com/s/files/1/0431/0450/1922/files/emilia_osu_skin.pdf
    • https://cdn.shopify.com/s/files/1/0430/4211/1637/files/jodapopobulabuvu.pdf
    • https://cdn.shopify.com/s/files/1/0431/7547/7416/files/52760695758.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vemuvuferakodumi.pdf
    • https://cdn.shopify.com/s/files/1/0431/4441/3341/files/biwefobeboludapixufibek.pdf
    • https://cdn.shopify.com/s/files/1/0434/1180/0220/files/antennaweb._org_tvfool._com.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_off00007427.bin
2466fb93987137ea263f9d2c944f6ec81fdb623af411ec54609adbb327a4c822		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7427 5136 bytes
font_01_sfnt_off00008577.bin
976d54ab32b4e55f8a833deb4ac3d2222d9d1f5a7f5be55a2dbcfe85779701d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8577 11416 bytes

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