Malicious PDF — malware analysis report

Static analysis result for SHA-256 19ec1ea4e4cfea9d…

MALICIOUS

PDF

44.5 KB Created: 2020-08-06 17:25:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 70d9b23cf0591d773412303e5436d39c SHA-1: 69a43c0f7e3489b04a24c711252e9f2d57671c95 SHA-256: 19ec1ea4e4cfea9d9cebc9f42af099f1af48e3fd5d4a17c0956eef76dfd8c2b2
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links, 'https://ttraff.com/pify?keyword=alumbrado+publico+con+paneles+solares+pdf', is identified as a malicious redirector. This indicates the document's purpose is to redirect users to malicious infrastructure, likely for phishing or malware distribution.

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=alumbrado+publico+con+paneles+solares+pdf
    • http://files.cuttingedgepetservices.com/uploads/1/3/2/7/132712234/32503e2e4259d.pdf
    • http://files.rootsandwingstraining.com/uploads/1/3/1/6/131607075/3d333329e.pdf
    • http://files.magnumshops.com/uploads/1/3/1/4/131438464/6130567.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56966684837.pdf
    • https://cdn.shopify.com/s/files/1/0434/2834/8056/files/60806635307.pdf
    • https://cdn.shopify.com/s/files/1/0430/9748/9572/files/pigamavijalet.pdf
    • https://cdn.shopify.com/s/files/1/0440/3894/6966/files/94561895945.pdf
    • https://cdn.shopify.com/s/files/1/0440/2062/9654/files/tax_amendments_for_ipcc_nov_2020.pdf
    • https://cdn.shopify.com/s/files/1/0428/8030/3267/files/simen.pdf
    • https://cdn.shopify.com/s/files/1/0429/2077/1750/files/c_socket_example.pdf
    • https://cdn.shopify.com/s/files/1/0429/5163/9196/files/59125303512.pdf
    • https://cdn.shopify.com/s/files/1/0448/0968/3106/files/bsp_internal_thread_chart.pdf
    • https://cdn.shopify.com/s/files/1/0433/6350/0197/files/dazazaxuwuvorirub.pdf
    • https://cdn.shopify.com/s/files/1/0429/4829/6863/files/precalculus_8th_edition_larson.pdf
    • https://cdn.shopify.com/s/files/1/0434/5259/6374/files/japanese_rope_tie.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_off00006d1e.bin
1165fb702177c86d337caf65dfe9d78a5fd59c6b04ef12f531f0f666a8843874		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D1E 5432 bytes
font_01_sfnt_off00007f76.bin
cfc21831979a608c36d4a92498e97248d8d478ef1a7eb0b5f6e50382c6fed633		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F76 10912 bytes

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