Malicious PDF — malware analysis report

Static analysis result for SHA-256 43d74bd7b316e220…

MALICIOUS

PDF

591.1 KB Created: 2020-08-31 23:02:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 77e1458e7ecebd00163fcfcbc5bf5d4b SHA-1: 1e6f8128eb1944aa2ac2a417c3cbe38c9358d6aa SHA-256: 43d74bd7b316e2209fb33cba203344e162135cb48bfe9707ad72250c2b8108a7
100 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it is a malicious redirector link and uses an advance-fee scam lure. The document body, though heavily obfuscated, contains a URL that matches the redirector heuristic. This suggests the document's primary purpose is to trick the user into visiting a malicious website.

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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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/wix?keyword=rhd+hipaa+awareness+training+quiz+answers
    • https://cdn.shopify.com/s/files/1/0462/7791/8880/files/repunururolafefudujan.pdf
    • https://cdn.shopify.com/s/files/1/0439/3458/0891/files/pixikulazaxaba.pdf
    • https://cdn.shopify.com/s/files/1/0441/1876/9816/files/sudin.pdf
    • https://static.usrfiles.com/ugd/f63f29_d9895959b2d44771ae0f7eb34ad33b13.pdf
    • https://static.usrfiles.com/ugd/10a4aa_ff419e8495614a03a8e1e479dfbeb866.pdf
    • https://static.usrfiles.com/ugd/87d215_ad809b537f5b47608650b057542c7a39.pdf
    • https://static.usrfiles.com/ugd/b8c837_c09b844f000c43e490a2c2a528f75b36.pdf
    • https://static.usrfiles.com/ugd/10b11f_f7ef514a63d84175ba85f9158ab2aa0c.pdf
    • https://static.usrfiles.com/ugd/96768c_b94d6f86cd954ad59775c5d1d049cca0.pdf
    • https://static.usrfiles.com/ugd/d1d005_a7db6805adc04ebebc2e2f13be5648c0.pdf
    • https://static.usrfiles.com/ugd/b8c837_57f863d9bab34c468be7b9f1bb901095.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0008bc38.bin
250b851be47ae78bafe6c421f5bbdfba06756ed3dbd92f840089fb1cf5ebc199		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BC38 5752 bytes
font_01_sfnt_off0008cfec.bin
5e82d6eae6ea1750b7e2781d5462090cec4ea52f71cc8e53b3320259d3f8cc43		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CFEC 5464 bytes
font_02_sfnt_off0008e28a.bin
e9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E28A 1800 bytes
font_03_sfnt_off0008eb21.bin
98f6d600f3b5d8fca98aa2bb3099952e1622a6d1763b051cd8128f6c8ab3d54b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8EB21 12084 bytes
font_04_sfnt_off000913fd.bin
f5b968f834f92d0de8115ac2e6dafe3025d76bdd951620e0b893d982f3d7c45f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x913FD 16456 bytes

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