Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0122805fb8e0449…

MALICIOUS

PDF

72.4 KB Created: 2020-08-11 15:18:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7c499c7f01a9f81ccf53dc3fafa121a3 SHA-1: 016f20b7d734542f3d7dc5043fa2e4c6bf3b3a0e SHA-256: f0122805fb8e044984a9f28cfd1441e2df01a284f759a80036bfcb8d7bb08b83
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to obscure the final destination of the malicious payload. The document body, though heavily obfuscated, contains the same URL, suggesting it is the primary lure. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy to improve search engine visibility and distribute the 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.com/pify?keyword=mapa+cercanias+madrid+pdf
    • http://files.ladypatriotssoccer.com/uploads/1/3/1/6/131606349/d453e21ac347.pdf
    • http://zegoso.johndeandavis.com/uploads/1/3/0/8/130873995/1237195.pdf
    • http://rabawubuz.stannartsandculturalcenter.org/uploads/1/3/0/8/130813834/7970335.pdf
    • http://dokikomid.splashsteamboat.com/uploads/1/3/1/4/131453133/fezad.pdf
    • http://files.redwhiteandbigley.com/uploads/1/3/1/0/131070611/7391f6a7eb989.pdf
    • https://cdn.shopify.com/s/files/1/0431/7757/4557/files/ansi_b16._5.pdf
    • https://cdn.shopify.com/s/files/1/0433/5271/9515/files/unix_shell_script_tutorial.pdf
    • https://cdn.shopify.com/s/files/1/0437/6893/8658/files/52404753411.pdf
    • https://cdn.shopify.com/s/files/1/0430/7927/0554/files/deraterugowewazo.pdf
    • https://cdn.shopify.com/s/files/1/0435/2966/6724/files/javascript_sort_dates.pdf
    • https://cdn.shopify.com/s/files/1/0434/1301/2630/files/logical_mathematical_questions_with_answers_pdf.pdf
    • https://cdn.shopify.com/s/files/1/0429/6749/8911/files/jafep.pdf
    • https://cdn.shopify.com/s/files/1/0430/1992/7713/files/redejudijux.pdf
    • https://cdn.shopify.com/s/files/1/0429/4246/4166/files/68418644985.pdf
    • https://cdn.shopify.com/s/files/1/0429/0838/5439/files/34138509562.pdf
    • https://cdn.shopify.com/s/files/1/0432/1817/4107/files/open_angle_glaucoma_treatment.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_off0000c292.bin
d045a0c5318dd08dd2b58519913c01018877069f03803f0efa968729b476636c
pdf-font-stream PDF embedded font (sfnt) at offset 0xC292 4872 bytes
font_01_sfnt_off0000d2f4.bin
9666a5420e824a54ef0ec75796e04808f4500c1a670af60d284d66197391ffc1
pdf-font-stream PDF embedded font (sfnt) at offset 0xD2F4 17140 bytes
font_02_sfnt_off00010640.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333
pdf-font-stream PDF embedded font (sfnt) at offset 0x10640 4324 bytes