Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2da45ef23971591…

MALICIOUS

PDF

39.7 KB Created: 2020-08-31 09:39:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5625606b50d877d12ddfa3e055e79f17 SHA-1: fd1aec430fb74539e21422977ea6abc2313c57bf SHA-256: d2da45ef2397159101650c9b635b52f151d2be1479667df7f7a9d0d56ae04da7
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to a 'dragon ball xenoverse trophy guide' and the malicious URL. This suggests a social engineering lure to direct users to a malicious site.

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/wix?keyword=dragon+ball+xenoverse+trophy+guide
    • https://cdn.shopify.com/s/files/1/0432/4337/2703/files/66859740468.pdf
    • https://cdn.shopify.com/s/files/1/0431/5293/3024/files/44342095242.pdf
    • https://cdn.shopify.com/s/files/1/0433/5661/8917/files/narifudabepum.pdf
    • https://cdn.shopify.com/s/files/1/0435/2360/4631/files/gariniju.pdf
    • https://cdn.shopify.com/s/files/1/0430/8143/3242/files/94442796555.pdf
    • https://static.usrfiles.com/ugd/b8c837_d0183fa233b04eaba1a5c57c03c6be3f.pdf
    • https://static.usrfiles.com/ugd/269bb8_a1a026ea1c1840e2a8a01afb9a7539ef.pdf
    • https://static.usrfiles.com/ugd/ea5d7b_183322d148844091b7018ce649b6bea6.pdf
    • https://static.usrfiles.com/ugd/ade4e6_6f30ff743eb646308f559fb286e93e5d.pdf
    • https://static.usrfiles.com/ugd/0e9fc2_e96ef07dafd040fb83c995d16db853d9.pdf
    • https://static.usrfiles.com/ugd/b8c837_6109d0da593947988d5a3197125eb307.pdf
    • https://static.usrfiles.com/ugd/3ceeb9_7107cca857454200a5f4d5fc570229f9.pdf
    • https://cdn.shopify.com/s/files/1/0437/0045/3541/files/53964155943.pdf
    • https://cdn.shopify.com/s/files/1/0434/4568/2332/files/causes_of_brain_cancer.pdf
    • https://cdn.shopify.com/s/files/1/0458/6022/5177/files/97892061498.pdf
    • https://cdn.shopify.com/s/files/1/0435/3087/9125/files/sql_developer_resume.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_off00004dd7.bin
fbf83672694c370e9d8ad8f87460c040f3fd6a5abdc4a259ae15d608d14fe99e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4DD7 5472 bytes
font_01_sfnt_off00006068.bin
b7ad36f4a68844256bc056af93fc74b833e7fb836d875b43d60c910900e9416d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6068 10404 bytes
font_02_sfnt_off000083ef.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0x83EF 4324 bytes

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