Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f2ecba234557171…

MALICIOUS

PDF

47.5 KB Created: 2020-08-16 23:26:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 436c6e904e6178e3e6b09fad9f32392e SHA-1: cf83463ac89e60de48c7177e749a93fde3c7ca1f SHA-256: 7f2ecba23455717196f11ec4500eb92805a3ce69a2ea06da4c72c1d489e117ad
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains. The document body contains text related to a 'Primark king size fitted sheet white', likely a lure to entice clicks on the malicious link.

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=primark+king+size+fitted+sheet+white
    • http://saxixi.jeniballdesigns.co.uk/uploads/1/3/1/6/131606056/ritir.pdf
    • http://files.cheffurdell.com/uploads/1/3/1/1/131164417/webabewin.pdf
    • http://files.helsbellshandmade.com/uploads/1/3/2/3/132303205/wegagagumejimo.pdf
    • https://cdn.shopify.com/s/files/1/0433/6454/8762/files/acquisitieplan_voorbeeld.pdf
    • https://cdn.shopify.com/s/files/1/0437/7319/8497/files/dsignation_des_alliages_d_aluminium.pdf
    • https://cdn.shopify.com/s/files/1/0432/0873/6927/files/zukigigifajox.pdf
    • https://cdn.shopify.com/s/files/1/0431/8894/5064/files/25206869640.pdf
    • https://cdn.shopify.com/s/files/1/0452/4287/6061/files/pdf_bhagavad_gita_in_tamil.pdf
    • https://cdn.shopify.com/s/files/1/0431/5542/3396/files/45369603431.pdf
    • https://cdn.shopify.com/s/files/1/0431/5460/4198/files/lamemebolaxuponopeboku.pdf
    • https://cdn.shopify.com/s/files/1/0437/2214/5943/files/92449987593.pdf
    • https://cdn.shopify.com/s/files/1/0428/5644/8167/files/89550447766.pdf
    • https://cdn.shopify.com/s/files/1/0431/2052/5476/files/rudalepi.pdf
    • https://cdn.shopify.com/s/files/1/0429/8627/4977/files/21434078721.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000056c1.bin
b1f0f1d211defc8906c4f91a2978965e018b5abfc787c73909b03c85ac0e829b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56C1 5496 bytes
font_01_sfnt_off0000694b.bin
969f4d68e40decc9bb98595ca83d17f90951179a153832865e397c8271e6364d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x694B 2668 bytes
font_02_sfnt_off000074f2.bin
da8e4484818b3bbd23d3eb459c71867481c780c8876fefc25bc591e0d8bed5b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74F2 10744 bytes
font_03_sfnt_off000099d5.bin
da391738690016096eea86371b25cdd20dd2057dec96c58090ad99a34960b901		 pdf-font-stream PDF embedded font (sfnt) at offset 0x99D5 16524 bytes

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