Malicious PDF — malware analysis report

Static analysis result for SHA-256 734211852402f8ca…

MALICIOUS

PDF

36.1 KB Created: 2020-08-30 21:09:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0942058b187fcde4464d826db9cd9db5 SHA-1: 1469b60282c25cc0095740292c4b3b93731b50f8 SHA-256: 734211852402f8ca3a4b0174cd95ae9d814bd99aeb25ba2f93a19f1bf288432b
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to a known malicious redirector infrastructure, disguised as an advertisement for a 'Panasonic drill driver'. The ML classifier strongly flagged this PDF as malicious. The embedded URL is the primary indicator of malicious intent, likely leading to a phishing or malware download site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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.club/wix?keyword=panasonic+drill+driver
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0434/4836/9319/files/95911883548.pdf
    • https://cdn.shopify.com/s/files/1/0440/6099/9830/files/alnor_ebt731.pdf
    • https://cdn.shopify.com/s/files/1/0437/9531/6896/files/n_r_c_full_form_in_english.pdf
    • https://cdn.shopify.com/s/files/1/0428/0070/9791/files/52760927546.pdf
    • https://static.usrfiles.com/ugd/ea5d7b_5d3916a95d5143479ecbabc5477a3cc5.pdf
    • https://static.usrfiles.com/ugd/b8c837_c4d5a6f8fc114c37a8460fbd3a5fed15.pdf
    • https://static.usrfiles.com/ugd/b8c837_b4b03884629341b3828cbef30e5734d5.pdf
    • https://static.usrfiles.com/ugd/e4bc37_1fa4df85f9d2480ebe57943c531447cd.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/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004fa3.bin
9634032aad679be6262639566cbb7001109a25a84ac8fd8a535a71c76af96bc5
pdf-font-stream PDF embedded font (sfnt) at offset 0x4FA3 4992 bytes
font_01_sfnt_off000060a6.bin
b921706d68b5fdd1ca857f85bdacb918ef470366f27ba6bde4e91827e821e898
pdf-font-stream PDF embedded font (sfnt) at offset 0x60A6 10352 bytes