Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa38f3338b913823…

MALICIOUS

PDF

87.0 KB Created: 2020-07-29 12:22:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 51733a77e30b7b16e7d7a21c72e6767d SHA-1: c41b61075bb7d98050311d21fc7d661b571ad0bb SHA-256: aa38f3338b91382397061715e6ac80a2661d81d114e673bbcb06e3b34d2fc781
120 Risk Score

Malware Insights

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

The PDF contains numerous links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'Khilafah abbasiyah pdf'. The primary malicious IOC is the redirector URL, which is likely used to host or deliver further 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.cc/pify?keyword=khilafah+abbasiyah+pdf
    • http://files.lisasturm.com/uploads/1/3/0/8/130874612/negiligag-welibugusug-fezudagelavibel.pdf
    • http://files.taylormccarey.com/uploads/1/3/1/4/131413718/dikur.pdf
    • http://files.freespiritplaysandmusicals.com/uploads/1/3/1/4/131405951/8812517.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xugufu.pdf
    • https://cdn.shopify.com/s/files/1/0429/7211/9193/files/fobufalufefeluniluru.pdf
    • https://cdn.shopify.com/s/files/1/0436/9275/3049/files/45999921871.pdf
    • https://cdn.shopify.com/s/files/1/0437/1474/0373/files/xaririfizi.pdf
    • https://cdn.shopify.com/s/files/1/0434/5207/2086/files/rinutasobaxadobenizam.pdf
    • https://cdn.shopify.com/s/files/1/0433/2430/9659/files/14684471142.pdf
    • https://cdn.shopify.com/s/files/1/0431/6574/5309/files/niwesutafutezaz.pdf
    • https://cdn.shopify.com/s/files/1/0432/5248/2208/files/69397277861.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tolipokegegami.pdf
    • https://cdn.shopify.com/s/files/1/0431/2186/8960/files/60053927730.pdf
    • https://cdn.shopify.com/s/files/1/0431/5774/9917/files/91939036832.pdf
    • https://cdn.shopify.com/s/files/1/0431/7865/5903/files/32019575978.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
stream_008_off0001343f.bin
396152c7d549f0575c5956f133352a32f2abc367f0754a6bb931b3bebffc0da3		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1343F 17532 bytes
font_00_sfnt_off000100f4.bin
b555a3a938467cd9b5d0a9ab80aadd0db52ca1d30ef1abbdf1d41dfb2d8fa43b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x100F4 4616 bytes
font_01_sfnt_off000110a5.bin
aa13ce99482b6e5feca12ea2c86b572cd8ce333346733ca8fa40f689eeea6b42		 pdf-font-stream PDF embedded font (sfnt) at offset 0x110A5 10444 bytes

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