Malicious PDF — malware analysis report

Static analysis result for SHA-256 f701149fd703da21…

MALICIOUS

PDF

61.8 KB Created: 2020-07-22 09:22:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 44c49a9f8844ea7d3f5c4ca022591758 SHA-1: 6655739b845b5690169db2a8aaf1c73b2dbfe333 SHA-256: f701149fd703da216e593e8a328bd9a318e507aee0ebf65666507ab9c407bb94
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com. Additionally, it exhibits characteristics of a PDF link farm, with numerous links, many hosted on cdn.shopify.com, suggesting an attempt to distribute malicious content or engage in SEO abuse. The document body, though heavily obfuscated, contains text related to 'pdf oku' (read pdf), reinforcing the lure.

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/wb?keyword=uluslar%C4%B1n%20d%C3%BC%C5%9F%C3%BC%C5%9F%C3%BC%20pdf%20oku
    • http://files.lexingtonrockbridgestudiotour.com/uploads/1/3/1/6/131636941/bubefizagebobalo.pdf
    • http://files.danielakfineart.com/uploads/1/3/0/7/130738548/6191127.pdf
    • http://files.healthymindspaceblog.com/uploads/1/3/1/0/131070366/9e5168a5.pdf
    • http://files.millbrookrotarydirectory.com/uploads/1/3/0/7/130775846/d99ea.pdf
    • http://files.apriloliviaroskos.com/uploads/1/3/2/6/132681336/tefumu.pdf
    • https://cdn.shopify.com/s/files/1/0430/2585/8714/files/33349080783.pdf
    • https://cdn.shopify.com/s/files/1/0434/6583/4658/files/wuzobo.pdf
    • https://cdn.shopify.com/s/files/1/0427/9838/3260/files/85234466117.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/livoxigugefeguvon.pdf
    • https://cdn.shopify.com/s/files/1/0434/7982/6597/files/59409704762.pdf
    • https://zodamutove.files.wordpress.com/2020/06/tizazosuzovi.pdf
    • https://xutosazibovi.files.wordpress.com/2020/07/wirurevifubosutesedumo.pdf
    • https://zixovanofodi.files.wordpress.com/2020/06/diradiluxexi.pdf
    • https://sukaligi.files.wordpress.com/2020/06/jekibadawetudeligozi.pdf
    • https://cdn.shopify.com/s/files/1/0431/8104/7965/files/vugadumekag.pdf
    • https://cdn.shopify.com/s/files/1/0431/8402/9845/files/dawanenij.pdf
    • https://cdn.shopify.com/s/files/1/0428/1607/7991/files/79701079259.pdf
    • https://cdn.shopify.com/s/files/1/0428/9832/5663/files/47537553263.pdf
    • https://cdn.shopify.com/s/files/1/0437/7303/4658/files/74040798975.pdf
    • https://cdn.shopify.com/s/files/1/0429/5704/5913/files/warunomovejaporemote.pdf
    • https://cdn.shopify.com/s/files/1/0431/8684/7905/files/davotuvaginabug.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_off0000af01.bin
9df4970ee8f57e5de0d34a3e9a9a722552b3be15af84edc7714e8da7e4998c4c
pdf-font-stream PDF embedded font (sfnt) at offset 0xAF01 5124 bytes
font_01_sfnt_off0000bfb9.bin
97579021c63b84b9f6c5a3f9e70919708219678a9daa2aa6b0e372c971f83509
pdf-font-stream PDF embedded font (sfnt) at offset 0xBFB9 12748 bytes