Malicious PDF — malware analysis report

Static analysis result for SHA-256 e00effdfb3657542…

MALICIOUS

PDF

44.9 KB Created: 2020-09-01 02:04:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8e29a05a82a58cd19a962de314c37d03 SHA-1: 4b1023ec2a46288209c06c83ab130a43a49ea784 SHA-256: e00effdfb3657542c2a46ae75643b4c356b3dc894c823ea65245e5163887ab89
120 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to a malicious URL, disguised with text related to a nursing application form. This indicates a phishing or social engineering attempt to redirect the user to a harmful site. The PDF also contains a large number of external links, many hosted on Shopify, which is characteristic of SEO link farm abuse to obscure malicious destinations.

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.cc/wix?keyword=b.+sc+nursing+online+application+form+2019
    • https://cdn.shopify.com/s/files/1/0433/7149/5574/files/kikib.pdf
    • https://cdn.shopify.com/s/files/1/0439/6944/6046/files/the_bridges_of_madison_county_book_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/5744/6038/files/sir_philip_sidney_astrophil_and_stella.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ruxejuvekega.pdf
    • https://cdn.shopify.com/s/files/1/0431/7301/9797/files/magellan_rx_medicaid_trend_report.pdf
    • https://cdn.shopify.com/s/files/1/0461/9999/6569/files/christmas_time_is_here_sheet_music_piano.pdf
    • https://cdn.shopify.com/s/files/1/0434/9856/9888/files/final_fantasy_x_iso.pdf
    • https://cdn.shopify.com/s/files/1/0435/5381/6728/files/lisejapesemaximulavurorub.pdf
    • https://cdn.shopify.com/s/files/1/0436/3796/4960/files/wemusudeguresazati.pdf
    • https://cdn.shopify.com/s/files/1/0430/6350/9141/files/17493320071.pdf
    • https://cdn.shopify.com/s/files/1/0434/0760/5910/files/81589909568.pdf
    • https://cdn.shopify.com/s/files/1/0431/7616/5536/files/tesla_model_3_key_card.pdf
    • https://cdn.shopify.com/s/files/1/0428/2672/7580/files/65301643138.pdf
    • https://cdn.shopify.com/s/files/1/0458/9535/2474/files/afinidade_eletrnica.pdf
    • https://cdn.shopify.com/s/files/1/0427/4287/4278/files/74002139450.pdf
    • https://cdn.shopify.com/s/files/1/0461/9144/4119/files/mascaras_mexicanas_octavio_paz.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_off00006efc.bin
2dff5f0810bf24f659e501b0c8f3619f3ce1c93bd0449e543219f2e1d50c1363		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6EFC 5900 bytes
font_01_sfnt_off0000830b.bin
d2f122de50044eef06efb227c4be672b7598ca1dc4da356cc996068d3a9be47a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x830B 10456 bytes

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