Malicious PDF — malware analysis report

Static analysis result for SHA-256 e54cf5da615751cd…

MALICIOUS

PDF

53.4 KB Created: 2020-08-08 19:11:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 656f2bdd50174bc8a5400043edcf7dbd SHA-1: 39b5bf5cd8b51346d292ca1be5a7f414917265d2 SHA-256: e54cf5da615751cdf6d779b1872643c279ac1a88601694d9f513133bcc689292
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=effects+of+globalization+in+africa+pdf'. This URL is likely used to redirect the user to a malicious site. The document also contains a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO poisoning attempt to distribute malicious content. No scripts were extracted from this sample.

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=effects+of+globalization+in+africa+pdf
    • http://files.badgerbuildingmover.com/uploads/1/3/1/4/131437378/001fc9bd358ea9.pdf
    • http://files.atxshoeplug.com/uploads/1/3/0/8/130874580/d1fc6.pdf
    • http://files.imspire.eu/uploads/1/3/1/4/131453177/vavavixibunifuma.pdf
    • https://cdn.shopify.com/s/files/1/0438/7173/1880/files/employee_performance_evaluation_examples.pdf
    • https://cdn.shopify.com/s/files/1/0432/7063/5676/files/bumolevedinalakonawode.pdf
    • https://cdn.shopify.com/s/files/1/0433/1870/6341/files/6802947716.pdf
    • https://cdn.shopify.com/s/files/1/0437/4927/7845/files/food_chain_worksheet_5th_grade.pdf
    • https://cdn.shopify.com/s/files/1/0428/5048/4390/files/magemireduvepe.pdf
    • https://cdn.shopify.com/s/files/1/0428/1407/9143/files/63437806081.pdf
    • https://cdn.shopify.com/s/files/1/0431/5031/1579/files/12635507936.pdf
    • https://cdn.shopify.com/s/files/1/0430/8513/6021/files/fovitalisurapesadika.pdf
    • https://cdn.shopify.com/s/files/1/0431/6381/2002/files/buxoxevotot.pdf
    • https://cdn.shopify.com/s/files/1/0431/2920/8983/files/tinoxima.pdf
    • https://cdn.shopify.com/s/files/1/0432/7941/7504/files/sidizasabokufixebototasu.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000091fb.bin
93257164f1875d3f50163c229b5518c3cbf88c766722eee9acb7ba76a10f37b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x91FB 5468 bytes
font_01_sfnt_off0000a4b0.bin
50b91a4a5b3467a160aff2945f1745d9f088b598233851cb51a411f4bc89c275		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA4B0 10620 bytes

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