Malicious PDF — malware analysis report

Static analysis result for SHA-256 2dc4e2e16157a24a…

MALICIOUS

PDF

72.6 KB Created: 2020-08-07 14:53:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d4f9fa0739a5fa665d1d7daed97ae2d6 SHA-1: 21d0691b51c36edd59153b766e69a6dd549f59ea SHA-256: 2dc4e2e16157a24a9817534aa324ec0dcd9e165fae80be5286b978e6c316dbc2
140 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=hindware+bathroom+fittings+price+list+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs, many hosted on Shopify. The document body, though heavily obfuscated, contains the same URL, suggesting a lure to download or view a fake price list. The presence of a callback phishing lure heuristic further supports a social engineering attack pattern.

Heuristics 4

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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=hindware+bathroom+fittings+price+list+pdf
    • http://files.trinidadrifleassociation.org/uploads/1/3/2/7/132712209/3065394.pdf
    • http://files.indigotheatrical.com/uploads/1/3/0/7/130738928/zedexo-jakuvafu-rudapan-fiwobat.pdf
    • http://files.emeraldparkptsa.org/uploads/1/3/0/7/130739625/wofusaturibe_bopigor_radowidumijip.pdf
    • https://cdn.shopify.com/s/files/1/0428/5064/8223/files/jerota.pdf
    • https://cdn.shopify.com/s/files/1/0432/0336/2973/files/the_downward_spiral_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0429/1274/3591/files/wesonuzojodufinigebonid.pdf
    • https://cdn.shopify.com/s/files/1/0434/9729/1942/files/carcinoma_escamoso_de_cervix.pdf
    • https://cdn.shopify.com/s/files/1/0438/4853/2128/files/14320810450.pdf
    • https://cdn.shopify.com/s/files/1/0434/1697/7559/files/gububuro.pdf
    • https://cdn.shopify.com/s/files/1/0433/9879/1329/files/ruxugexudidemonizugaj.pdf
    • https://cdn.shopify.com/s/files/1/0432/5366/1858/files/complete_psionic.pdf
    • https://cdn.shopify.com/s/files/1/0431/9805/4558/files/valaxakixakonajo.pdf
    • https://cdn.shopify.com/s/files/1/0429/8883/0873/files/chemistry_book_pearson.pdf
    • https://cdn.shopify.com/s/files/1/0427/8022/9791/files/xagoga.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_off0000d2c1.bin
95d21f564eeaf520f3f42c38aa98f28d839b1114d3f9da0ca4e2f4e2074d703d
pdf-font-stream PDF embedded font (sfnt) at offset 0xD2C1 5760 bytes
font_01_sfnt_off0000e645.bin
064536641d57cb5be8be7eb925ee6a9262ca2bd6fc023d78c5336866582ee594
pdf-font-stream PDF embedded font (sfnt) at offset 0xE645 15212 bytes