Malicious PDF — malware analysis report

Static analysis result for SHA-256 efb732b584b19e7d…

MALICIOUS

PDF

215.0 KB Created: 2020-08-02 00:45:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 01e859eebe92f7b11abd64f6e474d928 SHA-1: aad0e390e436b60e0d09b6a713f7b6746eeb236e SHA-256: efb732b584b19e7d677b6674d5b3d2638bb2ded77bacfa389fd48550cca6c71a
90 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL 'https://ttraff.cc/pify?keyword=ddr+extreme+song+list' is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site. The document body, though heavily obfuscated, contains text related to 'DDR extreme song list', suggesting a social engineering pretext.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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.cc/pify?keyword=ddr+extreme+song+list
    • http://files.the-therapy-centre.com/uploads/1/3/0/7/130739060/birubuwururabila.pdf
    • http://files.indianaturtlecare.com/uploads/1/3/0/7/130740242/3306832.pdf
    • http://files.nikkiwoolfolk.com/uploads/1/3/1/4/131406390/551eea4e104d7.pdf
    • https://cdn.shopify.com/s/files/1/0429/2627/6775/files/22304563068.pdf
    • https://cdn.shopify.com/s/files/1/0434/2625/0917/files/icecream_split.pdf
    • https://cdn.shopify.com/s/files/1/0429/2981/5705/files/29081730184.pdf
    • https://cdn.shopify.com/s/files/1/0428/4357/0343/files/esl_podcast.pdf
    • https://cdn.shopify.com/s/files/1/0431/6430/3522/files/tetabofoxi.pdf
    • https://cdn.shopify.com/s/files/1/0427/8986/3580/files/dadugozoverulekikawa.pdf
    • https://cdn.shopify.com/s/files/1/0434/8693/7253/files/nipupixinusupokebovopaju.pdf
    • https://cdn.shopify.com/s/files/1/0431/9058/3458/files/dujumapiforuvabipiv.pdf
    • https://cdn.shopify.com/s/files/1/0432/0185/5646/files/6135145376.pdf
    • https://cdn.shopify.com/s/files/1/0434/7861/4168/files/50928057648.pdf
    • https://cdn.shopify.com/s/files/1/0431/2439/2087/files/36364613195.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002382b.bin
7a3430904500cd5bf36c80e7709e5b863ac62d2136b91acf39caaaaa0ce6db42		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2382B 59728 bytes
font_01_sfnt_off0002ec12.bin
d59290c4df1f6aff674513f3e552928609963c43a46277c225aa5a0401bbf89c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2EC12 5000 bytes
font_02_sfnt_off0002fd0a.bin
094dfa3f60e6134f9c39bd4e6d270205aa56d5f558f927cef1a919e8e5c23c80		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2FD0A 18640 bytes
font_03_sfnt_off00033655.bin
8acb8f4d782dde3502a50df690757b595acf547ea1958f6b69fda3577bb45a1b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33655 16596 bytes

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