Malicious PDF — malware analysis report

Static analysis result for SHA-256 d02a6cba4f97d2eb…

MALICIOUS

PDF

48.5 KB Created: 2020-08-13 17:20:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7b642fc27322ecd30197e03871d33031 SHA-1: 9f1899be69e440414a32e4387d593aa36eddd2f7 SHA-256: d02a6cba4f97d2eb28a43a5336c1f1f0d370a2ff533f4f438c75fb5e8d0c1107
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, with one critical heuristic identifying a link to known malicious redirector infrastructure at 'https://ttraff.cc/wb?keyword=jack%20and%20jim%20kitty%20crowther%20pdf'. This suggests a phishing or malware distribution attempt. The document body contains garbled text but also includes the malicious URL, reinforcing the lure. No scripts were extracted from this sample.

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/wb?keyword=jack%20and%20jim%20kitty%20crowther%20pdf
    • http://files.creativealchemy4education.org/uploads/1/3/2/7/132740274/vikaxog_turiselokalim_tukem.pdf
    • http://files.sarahcrain.com/uploads/1/3/0/7/130739525/radinap-wujujuwe-fisowubefunex-pamuvumop.pdf
    • http://nividug.traptiste.com/uploads/1/3/1/8/131856602/1372095.pdf
    • http://files.misyaz.com/uploads/1/3/0/8/130874300/zuwafu.pdf
    • https://cdn.shopify.com/s/files/1/0430/1602/8309/files/lemenefum.pdf
    • https://cdn.shopify.com/s/files/1/0430/9060/8285/files/gmat_official_practice_test.pdf
    • https://cdn.shopify.com/s/files/1/0437/6113/9861/files/wuvixakaxigoro.pdf
    • https://cdn.shopify.com/s/files/1/0431/9854/6084/files/32907102005.pdf
    • https://cdn.shopify.com/s/files/1/0427/7954/1671/files/adverbs_and_adjectives_test.pdf
    • https://cdn.shopify.com/s/files/1/0435/6987/3054/files/ceidg_1_interaktywny.pdf
    • https://cdn.shopify.com/s/files/1/0433/4151/2855/files/english_english_tamil_dictionary.pdf
    • https://cdn.shopify.com/s/files/1/0432/9196/7652/files/96228279402.pdf
    • https://cdn.shopify.com/s/files/1/0430/7258/5888/files/pirates_of_the_caribbean_music_score.pdf
    • https://cdn.shopify.com/s/files/1/0434/3827/6760/files/al_quran_tamil_translation.pdf
    • https://cdn.shopify.com/s/files/1/0429/6366/5062/files/four_bedroom_bungalow_house_plans.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_off00006d4f.bin
d3c1d3d963cb7b39e26e6729d99deac51c14aed18edea7fef1b668f726ea82b1
pdf-font-stream PDF embedded font (sfnt) at offset 0x6D4F 5296 bytes
font_01_sfnt_off00007f3f.bin
a5fc3828ea431cc3e2f14c24e4527cb704bc2dac0298844ab345d8b7617597ed
pdf-font-stream PDF embedded font (sfnt) at offset 0x7F3F 12340 bytes
font_02_sfnt_off0000a67a.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361
pdf-font-stream PDF embedded font (sfnt) at offset 0xA67A 4324 bytes