Malicious PDF — malware analysis report

Static analysis result for SHA-256 318eab7f90fc56c3…

MALICIOUS

PDF

32.1 KB Created: 2020-08-26 16:48:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9232d3b17d69ccfc13276cb371ac30b4 SHA-1: 6086b762fd5b1065fc754ad878e0a10c74229458 SHA-256: 318eab7f90fc56c3fabfdca7d7aabd18c8338b6b568e1f7ad16c977d97ef2faa
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=vacation+movie+putlocker'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with a significant portion hosted on cdn.shopify.com. The document body also contains the same suspicious URL, reinforcing the lure.

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=vacation+movie+putlocker
    • http://files.musee-militaire.com/uploads/1/3/1/4/131454165/pedolabajuvozel_mawigep_tekowaj_muladude.pdf
    • http://files.millersaddlesandsilver.com/uploads/1/3/0/7/130740118/4822028.pdf
    • http://files.elleebphotography.com/uploads/1/3/0/7/130740138/folatoxufoxez.pdf
    • http://files.sciencelife.org/uploads/1/3/1/4/131483002/7703c50.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/musuvagexas.pdf
    • https://cdn.shopify.com/s/files/1/0431/5024/6054/files/gekupobobitijojid.pdf
    • https://cdn.shopify.com/s/files/1/0429/3636/9318/files/website_templates_html.pdf
    • https://cdn.shopify.com/s/files/1/0427/5650/5756/files/realidades_2_capitulo_4a_acciones_habituales_answers.pdf
    • https://cdn.shopify.com/s/files/1/0429/6887/5157/files/bimidizimewozinulitodof.pdf
    • https://cdn.shopify.com/s/files/1/0435/8130/9085/files/adenoma_tubular_con_displasia_de_bajo_grado.pdf
    • https://cdn.shopify.com/s/files/1/0429/1703/6198/files/21400116684.pdf
    • https://cdn.shopify.com/s/files/1/0429/9109/1875/files/23283208382.pdf
    • https://cdn.shopify.com/s/files/1/0428/8774/1607/files/school_admission_form_2019-_20_pune.pdf
    • https://cdn.shopify.com/s/files/1/0432/5254/7739/files/54220906874.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_off000042c8.bin
688ea375e00b807d698ced0f7b8b78f342bcf4355d041722b08a43b6eac9733d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x42C8 4992 bytes
font_01_sfnt_off000053af.bin
a3a3f6a7852b2febd2fee69a7f0d001c4481498943fcd32f22f6a99d8c813226		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53AF 9436 bytes

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