Malicious PDF — malware analysis report

Static analysis result for SHA-256 9792aec6b33985ae…

MALICIOUS

PDF

55.6 KB Created: 2020-08-20 07:50:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6f709236aca7c89692bb5f99076b74b5 SHA-1: 328eb545de3d4eb4ec2d15265e70614792d3737a SHA-256: 9792aec6b33985aec22c16746c870b9dce8828819675b44104f8227ce9e7cae7
120 Risk Score

Malware Insights

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

The PDF file contains a mass external link farm, with many links pointing to Shopify domains and one critical link to a known malicious redirector. The redirector URL, 'https://ttraff.cc/pify?keyword=video++capture+6', suggests a lure related to video capture. The document body, though heavily obfuscated, contains fragments that align with this lure. The presence of numerous external links, including the malicious redirector, indicates an attempt to lead the user to malicious content.

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=video++capture+6
    • http://gagukij.vickyannewrightstudios.com/uploads/1/3/1/3/131380349/jipejev.pdf
    • http://wejitogal.vwear.net/uploads/1/3/0/7/130738950/satazip_babag.pdf
    • http://files.multifaithfest.com/uploads/1/3/0/7/130739238/mizokizomogivez.pdf
    • http://risaz.instepdance.ca/uploads/1/3/0/7/130776406/galoxozapi.pdf
    • https://cdn.shopify.com/s/files/1/0446/0825/8211/files/43840556050.pdf
    • https://cdn.shopify.com/s/files/1/0437/1673/9222/files/18868520503.pdf
    • https://cdn.shopify.com/s/files/1/0436/0614/7229/files/6361250163.pdf
    • https://cdn.shopify.com/s/files/1/0431/6656/4520/files/83758421449.pdf
    • https://cdn.shopify.com/s/files/1/0431/2819/3184/files/55823250374.pdf
    • https://cdn.shopify.com/s/files/1/0429/6251/8182/files/zokatirejet.pdf
    • https://cdn.shopify.com/s/files/1/0435/0833/4744/files/82423799409.pdf
    • https://cdn.shopify.com/s/files/1/0436/9943/7721/files/xerujobin.pdf
    • https://cdn.shopify.com/s/files/1/0432/4098/0643/files/physical_science_tillery_10th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0438/6252/4069/files/88534874971.pdf
    • https://cdn.shopify.com/s/files/1/0433/0923/6374/files/jejufejabesujuparixibiwe.pdf
    • https://cdn.shopify.com/s/files/1/0431/5830/6965/files/jobajajefebaledavel.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_off00009d9d.bin
78dbab4a23237b11f4e48f88659e2c541ac13ff9d82cb0a751ef574b8d7a8a1a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9D9D 4976 bytes
font_01_sfnt_off0000ae95.bin
99339894fd615b68385e6d35cf51b2c25a6fe6e39aaa4996a58d9114aca85d20		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAE95 10196 bytes

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