Malicious PDF — malware analysis report

Static analysis result for SHA-256 89d5e92397f476a4…

MALICIOUS

PDF

51.1 KB Created: 2020-08-23 06:13:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ad69da87b32669967662baebaadb93c9 SHA-1: 8ce18d9b664065b0db4a88957a5583219b528a2c SHA-256: 89d5e92397f476a4a870e1f8a6af6761b6a8468519ca91c7defcf3cfd6d82a3f
150 Risk Score

Malware Insights

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

The PDF contains a link farm and a critical redirector link pointing to ttraff.com, which is flagged as malicious. The document body, though heavily obfuscated, contains text related to 'Sust admission test result 2018-19 pdf' and the malicious URL, suggesting a lure to trick users into clicking the link. The presence of multiple Shopify URLs, some benign and some unknown, indicates a potential attempt to blend malicious links with legitimate ones. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=sust+admission+test+result+2018-+19+pdf
    • http://xifugi.ps31artsmart.com/uploads/1/3/0/7/130775934/wumutanif_wotonesemubu_nikasoriruxa.pdf
    • http://files.mariposacelebrations-eventmanagement.com/uploads/1/3/0/7/130740143/gijosupid.pdf
    • http://files.wellsheltered.com/uploads/1/3/1/1/131163736/revuje_lorajajavupude.pdf
    • http://vetejenet.rustictreasuresjewellery.com/uploads/1/3/0/8/130814328/ravudoxewa.pdf
    • https://cdn.shopify.com/s/files/1/0428/7463/4403/files/92134850541.pdf
    • https://cdn.shopify.com/s/files/1/0438/2418/5506/files/64013154676.pdf
    • https://cdn.shopify.com/s/files/1/0445/5186/4484/files/tesifuzilozezos.pdf
    • https://cdn.shopify.com/s/files/1/0435/4693/5447/files/kufaxul.pdf
    • https://cdn.shopify.com/s/files/1/0434/2199/1079/files/viking_newspaper_report_example.pdf
    • https://cdn.shopify.com/s/files/1/0430/8025/3593/files/25027751785.pdf
    • https://cdn.shopify.com/s/files/1/0438/6488/3355/files/digirixi.pdf
    • https://cdn.shopify.com/s/files/1/0461/4271/8115/files/bongo_flava_songs_free_wapmight.pdf
    • https://cdn.shopify.com/s/files/1/0440/4235/4853/files/cpr_guideline_2020.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006855.bin
30c3b98964104b8520269d46fe87338256506167316275a6bf04b5f5b3a82ea6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6855 6000 bytes
font_01_sfnt_off00007c9b.bin
48dcace4197eab8ba6291f1315c735b3c0d0d22bb7100080ee14d0b330b8ca82		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C9B 9620 bytes
font_02_sfnt_off00009abd.bin
029a4749714b549e5a66133698b40fb3541df73def3c040518009ca0509df470		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9ABD 10584 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.