Malicious PDF — malware analysis report

Static analysis result for SHA-256 d80433fb76ca4e02…

MALICIOUS

PDF

44.9 KB Created: 2020-08-08 18:08:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 65b22088e683bfeedd50cc8d88654883 SHA-1: 07f3e13f598a3e731f073d46a442a5a47a9d492c SHA-256: d80433fb76ca4e0286cb7be7a4df88fefa6b0380d460f918d6f7a099423f200a
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, identified as a PDF link farm. One of the primary links, 'https://ttraff.ru/pify?keyword=manfaat+daun+binahong+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL and other links pointing to Shopify domains, suggesting a coordinated effort to distribute malicious content or manipulate search engine results. No scripts were extracted, limiting the analysis to the document's structure and embedded links.

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.ru/pify?keyword=manfaat+daun+binahong+pdf
    • http://files.iifpsol.com/uploads/1/3/1/6/131637631/8920008.pdf
    • http://xapedi.aginnovationslimited.com/uploads/1/3/1/6/131636725/0259a.pdf
    • http://wipukad.greenbaywalleyeseries.com/uploads/1/3/0/8/130813765/lexoxutizigu.pdf
    • http://files.unionvibeent.com/uploads/1/3/0/9/130969588/c22639704f07.pdf
    • http://files.sophieyufeitang.com/uploads/1/3/1/4/131453028/digalewodut-sejugirin-sewer.pdf
    • https://cdn.shopify.com/s/files/1/0436/1761/6034/files/xuvetapemeni.pdf
    • https://cdn.shopify.com/s/files/1/0432/2754/5763/files/basic_electrical_and_electronics_engineering_file.pdf
    • https://cdn.shopify.com/s/files/1/0434/6337/7048/files/kupevajefi.pdf
    • https://cdn.shopify.com/s/files/1/0429/5458/8316/files/14121024093.pdf
    • https://cdn.shopify.com/s/files/1/0434/4479/7605/files/2015_acls_provider_manual.pdf
    • https://cdn.shopify.com/s/files/1/0429/6137/1290/files/mabodotef.pdf
    • https://cdn.shopify.com/s/files/1/0432/0306/8068/files/14963511836.pdf
    • https://cdn.shopify.com/s/files/1/0431/7999/9383/files/94415226487.pdf
    • https://cdn.shopify.com/s/files/1/0434/6318/0454/files/neuro_physiotherapy_exercises.pdf
    • https://cdn.shopify.com/s/files/1/0431/2052/5476/files/gurodujoruwuza.pdf
    • https://cdn.shopify.com/s/files/1/0429/8578/3455/files/wejezelurovidak.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/67295211500.pdf
    • https://cdn.shopify.com/s/files/1/0433/1434/8197/files/60086341739.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_off0000725f.bin
08f3ec351cc80aaebb5c93f5e39dbfa882b6673ee2d967c16f96cb606465761f
pdf-font-stream PDF embedded font (sfnt) at offset 0x725F 5140 bytes
font_01_sfnt_off000083ee.bin
aa683596e84103e4b2189bb77252a1849bf0e4e79ecf22e098bb69a03acfd20b
pdf-font-stream PDF embedded font (sfnt) at offset 0x83EE 10024 bytes