Malicious PDF — malware analysis report

Static analysis result for SHA-256 350b0c4f09eb5bb6…

MALICIOUS

PDF

47.6 KB Created: 2020-08-14 12:00:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9223a23505b3ce3f8abb0393c6e83437 SHA-1: 2b9e9a7038dc113b81027d56be1faf5b6d2e6a8c SHA-256: 350b0c4f09eb5bb671d328b614e06e95f506d268084430419a1c63f13cd306aa
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/wb?keyword=doterra%20bergamotte%20pdf%20deutsch'. Additionally, it exhibits characteristics of a link farm, embedding numerous external PDF links, many hosted on Shopify. The document body, though heavily obfuscated, also contains the primary malicious URL. This suggests a phishing or scam attempt designed to redirect users to malicious infrastructure.

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/wb?keyword=doterra%20bergamotte%20pdf%20deutsch
    • http://files.cgfcjesusislord.org/uploads/1/3/1/1/131163590/vazokixubunom.pdf
    • http://files.faithoilslove.com/uploads/1/3/2/6/132681647/b158559.pdf
    • http://pedujola.cadenceruncoaching.com/uploads/1/3/0/9/130969363/3222065.pdf
    • http://vibak.activ8her.org/uploads/1/3/0/9/130969754/2944236.pdf
    • https://cdn.shopify.com/s/files/1/0430/0580/4698/files/wekikaraguxubus.pdf
    • https://cdn.shopify.com/s/files/1/0432/6152/6166/files/79682076835.pdf
    • https://cdn.shopify.com/s/files/1/0430/3549/2503/files/99946722331.pdf
    • https://cdn.shopify.com/s/files/1/0431/6702/3259/files/3485663216.pdf
    • https://cdn.shopify.com/s/files/1/0440/4278/0837/files/examen_cytobactriologique_du_liquide_cphalo_rachidien.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81858120772.pdf
    • https://cdn.shopify.com/s/files/1/0432/3033/1047/files/vinuwimewegefedigiles.pdf
    • https://cdn.shopify.com/s/files/1/0433/2349/0457/files/24515509804.pdf
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/xisekuwa.pdf
    • https://cdn.shopify.com/s/files/1/0433/1955/8299/files/ti_ba_ii_plus_professional.pdf
    • https://cdn.shopify.com/s/files/1/0435/1547/8176/files/jivufataki.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_off000078e6.bin
268ee7a7879d423215dc530131508c67a6b0e9c95651edb77ed8de6b656816f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x78E6 5676 bytes
font_01_sfnt_off00008c13.bin
1d3a5de46e88e4c034c1a2154cdd54ea3a658e3f2d6bede6552c69077595c674		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C13 11132 bytes

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