Malicious PDF — malware analysis report

Static analysis result for SHA-256 82ed807f712181fc…

MALICIOUS

PDF

49.6 KB Created: 2020-08-16 11:59:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 73dfd4d18a2de836cb54451401c2f3d7 SHA-1: 09688143a56c27a855daacbe0a6885d8a5c64f94 SHA-256: 82ed807f712181fc98b11c77af3c8fa765a2da61b74ff7f2ed502fadf2c57555
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded URLs, with a critical heuristic firing for a malicious redirector link. The document body, though heavily corrupted, contains text referencing a movie and a URL that appears to be part of a link farm designed to attract users. The primary malicious URL identified is https://ttraff.ru/pify?keyword=brothers+day+movie++in+tamilrockers, which is likely used to redirect users to malicious content. Another URL, https://cdn.shopify.com/s/files/1/0438/0046/1474/files/92428208215.pdf, is also present and appears to be part of the link farm.

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.ru/pify?keyword=brothers+day+movie++in+tamilrockers
    • http://files.sandcastleconstruction.net/uploads/1/3/1/6/131636984/vorimovaximolu_guxibuz.pdf
    • http://gijireju.drlremovals.co.uk/uploads/1/3/0/9/130970009/cb36ae97ee0.pdf
    • https://cdn.shopify.com/s/files/1/0438/0046/1474/files/92428208215.pdf
    • https://cdn.shopify.com/s/files/1/0433/5537/3720/files/zetelujiga.pdf
    • https://cdn.shopify.com/s/files/1/0428/5625/1559/files/rusimip.pdf
    • https://cdn.shopify.com/s/files/1/0432/4232/4125/files/allaitement_maternelle.pdf
    • https://cdn.shopify.com/s/files/1/0435/6590/8136/files/mifiwivurol.pdf
    • https://cdn.shopify.com/s/files/1/0432/2230/2888/files/vewupawizakuvogum.pdf
    • https://cdn.shopify.com/s/files/1/0427/7331/5740/files/universal_design_in_architecture.pdf
    • https://cdn.shopify.com/s/files/1/0432/8862/5316/files/pisomimejezobonizifufa.pdf
    • https://cdn.shopify.com/s/files/1/0430/5115/5618/files/pejakomotibulodosuredixi.pdf
    • https://cdn.shopify.com/s/files/1/0437/1814/8261/files/lupabuguzaxagekovetosevot.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006204.bin
913590966639c9d1dc4b47a18268002a719afd341709c4a7ec45b88f1a4631f9
pdf-font-stream PDF embedded font (sfnt) at offset 0x6204 5240 bytes
font_01_sfnt_off000073bd.bin
ae279c63d7691e9bd9aa2387500dc8508d559d43afd94383a6cdf9941b15e43b
pdf-font-stream PDF embedded font (sfnt) at offset 0x73BD 9984 bytes
font_02_sfnt_off0000962e.bin
ead7fd593d7f5feef6f283420e9b55f8fa4552f107c64b0063d474dd3355abd8
pdf-font-stream PDF embedded font (sfnt) at offset 0x962E 16164 bytes
font_03_sfnt_off0000ab47.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2
pdf-font-stream PDF embedded font (sfnt) at offset 0xAB47 4324 bytes