Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f32e1a7646a8fd4…

MALICIOUS

PDF

45.0 KB Created: 2020-08-17 01:51:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 46383107283a44e56f5c5cc16f2b3d39 SHA-1: 31b6fe78317d7109c24544eaf65f76993734d475 SHA-256: 9f32e1a7646a8fd4d9f79b45141aa5efe1849ecc214ca0e59170182ddfbf30e8
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is presented within the document body, disguised as a download link for a multipurpose keynote template. The file also exhibits characteristics of a PDF link farm, with numerous external links, many pointing to Shopify domains, likely for SEO manipulation to increase visibility. The primary malicious IOC is the redirector URL.

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.com/pify?keyword=motagua+multipurpose+keynote+template+free
    • http://files.mark-elliott.ca/uploads/1/3/1/8/131856100/lazipiri.pdf
    • http://files.lucysartistcottage.com/uploads/1/3/1/4/131437604/kilis.pdf
    • http://lofozugo.fincapuntiro.com/uploads/1/3/0/7/130775291/zafilarufelavek-mazuzowerinum.pdf
    • https://cdn.shopify.com/s/files/1/0436/2534/9273/files/bambara_groundnut_journal.pdf
    • https://cdn.shopify.com/s/files/1/0428/9639/2348/files/prentice_hall_mathematics_geometry.pdf
    • https://cdn.shopify.com/s/files/1/0440/4169/9478/files/figuresimakedos.pdf
    • https://cdn.shopify.com/s/files/1/0436/0437/7763/files/85190924971.pdf
    • https://cdn.shopify.com/s/files/1/0433/3040/4506/files/cannery_row_full.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kevesuladufutaniwor.pdf
    • https://cdn.shopify.com/s/files/1/0430/8720/0418/files/53200735661.pdf
    • https://cdn.shopify.com/s/files/1/0431/5657/0266/files/90052473983.pdf
    • https://cdn.shopify.com/s/files/1/0430/6219/8425/files/monitoring_and_evaluation_tools_and_frameworks.pdf
    • https://cdn.shopify.com/s/files/1/0429/0940/1251/files/91348980841.pdf
    • https://cdn.shopify.com/s/files/1/0438/5066/2053/files/best_ios_book_reader.pdf
    • https://cdn.shopify.com/s/files/1/0440/3517/8661/files/toletidofebevisowezi.pdf
    • https://cdn.shopify.com/s/files/1/0435/8298/0259/files/waxoliwoduzosa.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_off000071f4.bin
14bc3794d0e88d592998c3736dd7a486772e85267f6e49cc4c25f023a4658a01		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71F4 5392 bytes
font_01_sfnt_off0000844e.bin
c2b0c95120950571535a121eafd9d6d358e1a19fc9dc9b170b5f3524797be0a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x844E 10024 bytes

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