Malicious PDF — malware analysis report

Static analysis result for SHA-256 adf65a88906b944e…

MALICIOUS

PDF

45.3 KB Created: 2020-08-24 00:15:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6250aedd33bec07f7bcfc558d215bf1e SHA-1: bf9e8991bd8cd54fb82b49661aad253904fdbcb8 SHA-256: adf65a88906b944ebe36a1d3855ed9e7599d76bfa3ad491357b4dbb3542a42ad
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 of which are hosted on Shopify. One prominent link, disguised as a 'gardner minshew draft report', redirects to a known malicious domain (ttraff.com). This suggests a phishing or redirection attack aimed at leading users to malicious content. No scripts were extracted, and the document body is heavily obfuscated.

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=gardner+minshew+draft+report
    • http://basaropo.moonman-pictures.com/uploads/1/3/1/4/131453645/2662187.pdf
    • https://cdn.shopify.com/s/files/1/0432/6686/7362/files/bangalore_metro_map_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/2723/3954/files/tipos_de_anemias_en_pediatria.pdf
    • https://cdn.shopify.com/s/files/1/0437/3735/0293/files/suxevuluridikabuzedow.pdf
    • https://cdn.shopify.com/s/files/1/0434/6265/6157/files/lipugomarofenal.pdf
    • https://cdn.shopify.com/s/files/1/0436/2852/7776/files/29972612279.pdf
    • https://cdn.shopify.com/s/files/1/0431/6141/9927/files/lubesawamomarebenitik.pdf
    • https://cdn.shopify.com/s/files/1/0429/2270/5063/files/leremarulum.pdf
    • https://cdn.shopify.com/s/files/1/0431/8180/1629/files/faraxadipemufogatab.pdf
    • https://cdn.shopify.com/s/files/1/0430/6577/0135/files/problems_and_solutions_international_olympiad_on_astronomy_and_astrophysics.pdf
    • https://cdn.shopify.com/s/files/1/0447/0787/2921/files/amitabha_ghosh_and_mallik_manufacturing_science_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0443/0174/6332/files/permenkes_akreditasi_rumah_sakit_2020.pdf
    • https://cdn.shopify.com/s/files/1/0427/6633/6167/files/70824541875.pdf
    • https://cdn.shopify.com/s/files/1/0432/5936/3496/files/gupewako.pdf
    • https://cdn.shopify.com/s/files/1/0459/7710/8647/files/plate_tectonics_and_continental_drift_worksheet_answers.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_off000073c4.bin
961abb3d5f3cb8539342aedccc9820913a9d0a9a641878ab66fcc843bb234be0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73C4 5372 bytes
font_01_sfnt_off000085f7.bin
e94ad30d55913ea7d05713171dc37e9c21f5510d351502dea187f2ff0ab65627		 pdf-font-stream PDF embedded font (sfnt) at offset 0x85F7 10088 bytes

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