Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d47051e112882eb…

MALICIOUS

PDF

53.7 KB Created: 2020-08-24 18:58:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6a95b7cb8a2f7026c08df3ef9d93cc8a SHA-1: f74ab5543a07055fd457e1c6aa72aaed394960c9 SHA-256: 2d47051e112882eb28a455f4dd54c52ff82aa55911c8ba631456b70a61011162
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, many pointing to Shopify domains, but one critical link redirects to a known malicious infrastructure at ttraff.com. This indicates the document is designed as a link farm to distribute malicious content or phishing pages. The primary malicious URL is https://ttraff.com/pify?keyword=australian+dietary+guidelines+for+athletes.

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=australian+dietary+guidelines+for+athletes
    • http://files.kcliu.net/uploads/1/3/1/3/131381542/zevedeti.pdf
    • http://files.exploreandreconnect.com/uploads/1/3/1/4/131454950/6818269.pdf
    • http://files.completelykissablelips.com/uploads/1/3/0/8/130874359/19325f.pdf
    • https://cdn.shopify.com/s/files/1/0432/2784/0675/files/digepenikoxawek.pdf
    • https://cdn.shopify.com/s/files/1/0430/7278/2489/files/periodic_table_trends_worksheet_2_answers.pdf
    • https://cdn.shopify.com/s/files/1/0432/4392/9757/files/cars_fast_as_lightning_mod_apk_obb.pdf
    • https://cdn.shopify.com/s/files/1/0431/8458/6903/files/black_s_law_dictionary_2nd.pdf
    • https://cdn.shopify.com/s/files/1/0432/2174/5822/files/bewugusuburefemalabaj.pdf
    • https://cdn.shopify.com/s/files/1/0427/8901/1612/files/32980026659.pdf
    • https://cdn.shopify.com/s/files/1/0439/1639/4648/files/vejipuliramupivo.pdf
    • https://cdn.shopify.com/s/files/1/0433/7529/6670/files/70477848919.pdf
    • https://cdn.shopify.com/s/files/1/0454/1834/8712/files/answer_sheet_toeic_test.pdf
    • https://cdn.shopify.com/s/files/1/0430/8847/8365/files/61577840216.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_off00008649.bin
3ac79fcf1ca38a62efa9d00bf7168f0bf684b2850aa2affacce86de826e9ffbc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8649 5144 bytes
font_01_sfnt_off000097bf.bin
3c7f501193a57d7629996c0d9aeb93ac85d8853558865d7f0d7fee6fc95ab5c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x97BF 10620 bytes
font_02_sfnt_off0000bbdf.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBBDF 4324 bytes

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