Malicious PDF — malware analysis report

Static analysis result for SHA-256 508f6fb105aaf0f8…

MALICIOUS

PDF

181.3 KB Created: 2020-08-09 00:11:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 70ba7555e04043fe719bbab2c73af961 SHA-1: ff1ba7821777f08473a5449cf7caf992eed05aae SHA-256: 508f6fb105aaf0f8941b2157194aee0e0aec665aff63356d7b46845400f194b4
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating a malicious redirector link. The embedded URL, 'https://ttraff.com/pify?keyword=bootstrap+4+site+blueprints+pdf+download', is the primary indicator of malicious intent. This suggests the document is designed to trick users into visiting a malicious site, likely for further exploitation or credential harvesting.

Heuristics 2

  • 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.
  • 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=bootstrap+4+site+blueprints+pdf+download
    • http://jojigodem.ccsservicesllc.com/uploads/1/3/2/3/132302782/9494629.pdf
    • http://files.volvox2017.org/uploads/1/3/1/8/131856072/8038604.pdf
    • https://cdn.shopify.com/s/files/1/0434/1438/8888/files/39658001053.pdf
    • https://cdn.shopify.com/s/files/1/0438/9571/8040/files/suwutapenerevasul.pdf
    • https://cdn.shopify.com/s/files/1/0436/4868/0089/files/english_club_grammar.pdf
    • https://cdn.shopify.com/s/files/1/0431/0496/0676/files/96058493819.pdf
    • https://cdn.shopify.com/s/files/1/0428/4982/9023/files/64316274367.pdf
    • http://files.rally-cap-brewing.square.site/uploads/1/3/0/8/130873804/fixasuka_difinenire_lefalew.pdf
    • https://cdn.shopify.com/s/files/1/0428/2885/7503/files/91909202603.pdf
    • https://cdn.shopify.com/s/files/1/0437/4839/3112/files/sql_tutorial_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/7759/9383/files/tapusokofekokitulanefuk.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gifizazuxapi.pdf
    • https://cdn.shopify.com/s/files/1/0441/2702/7352/files/aptitude_test_questions_and_answers_in_tamil.pdf
    • https://cdn.shopify.com/s/files/1/0439/8442/1022/files/class_d_amplifier_design.pdf
    • https://cdn.shopify.com/s/files/1/0427/5883/2294/files/18715832822.pdf
    • https://cdn.shopify.com/s/files/1/0428/9842/3967/files/45293351421.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_off00027059.bin
d989a086793e252ce2768fc63acbb19648beca34d80056756d809e63981f6a60		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27059 5404 bytes
font_01_sfnt_off000282d8.bin
193d92af6e0e424681840dc355fac0b9ede1b15f0637292a70e8dc539ff7dadd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x282D8 14576 bytes
font_02_sfnt_off0002b1b1.bin
55ee31f2b9c575572aca401957c5cf2f3b57b55b1dd57d1bb6d1e144d3512b41		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B1B1 16088 bytes

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