Malicious PDF — malware analysis report

Static analysis result for SHA-256 d65959c602d50fba…

MALICIOUS

PDF

46.7 KB Created: 2020-08-11 14:27:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6595303706130a2aaf066c5d24ebd52a SHA-1: 22709ab97762291c01ce38b4ea5f845764089ec6 SHA-256: d65959c602d50fbac99fef364a80bf9f5a39952d34cd4a8b358b3697594f778b
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 primary link pointing to a redirector known for malicious activity. The document body, though heavily obfuscated, includes text related to a free download lure for "After Effects the power of expression", suggesting a social engineering tactic. The presence of a link farm further indicates an attempt to distribute or redirect to malicious content.

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/pify?keyword=after+effects+the+power+of+expression+pdf+free+download
    • http://files.neo-terra.org/uploads/1/3/1/6/131606563/f681d852dcb.pdf
    • http://files.digitaildesigns.com/uploads/1/3/0/8/130813448/bijonegaj-kigitij-tekegumovo-fadur.pdf
    • http://files.michaelgreermd.com/uploads/1/3/0/8/130874110/wajakefuwekig-levesavor-xovarinotipuf.pdf
    • https://cdn.shopify.com/s/files/1/0428/6044/5855/files/nexewuti.pdf
    • https://cdn.shopify.com/s/files/1/0433/5727/4270/files/42716436077.pdf
    • https://cdn.shopify.com/s/files/1/0431/5663/5816/files/62259522277.pdf
    • https://cdn.shopify.com/s/files/1/0430/5158/1597/files/zebupafufesirer.pdf
    • https://cdn.shopify.com/s/files/1/0432/0568/9499/files/zulelanevosawikiba.pdf
    • https://cdn.shopify.com/s/files/1/0435/4070/9527/files/max_int_java.pdf
    • https://cdn.shopify.com/s/files/1/0431/7547/7416/files/wubabenomejuro.pdf
    • https://cdn.shopify.com/s/files/1/0431/2032/8864/files/2642921463.pdf
    • https://cdn.shopify.com/s/files/1/0432/5271/1581/files/victoria_and_abdul_book.pdf
    • https://cdn.shopify.com/s/files/1/0429/1349/7251/files/fogewofenuzuxuve.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_off00006455.bin
b3d46ebfd2232533061ebf43f76fbb50b0bd6a151e8ad5bd3ccc5209b3e41438		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6455 5392 bytes
font_01_sfnt_off000076b5.bin
a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76B5 1800 bytes
font_02_sfnt_off00007f42.bin
9600cb4d604ccbc93483a1ff202b97a0e9844be1a5eafe897edf1a047ad54cb5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F42 14408 bytes

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