Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2a413352ebbbd9d…

MALICIOUS

PDF

72.9 KB Created: 2020-07-23 03:42:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8d1c3f2977ef3ef377ca75e4908d50e8 SHA-1: a99046338e5b12b9e05d6231e6f39a8d8c4eff22 SHA-256: d2a413352ebbbd9deed7c7eed559f17757f1c433c5e9c4e669cc5b7c7c073da4
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, identified as a 'PDF SEO Link Farm'. One of these links points to a known malicious redirector infrastructure. The primary purpose appears to be directing users to potentially harmful external sites, possibly 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=antelope+island+map+pdf
    • http://files.completehandymaninparis.com/uploads/1/3/2/7/132740270/dfc7398b61.pdf
    • http://files.artistscorner.gallery/uploads/1/3/0/9/130969206/2318.pdf
    • http://files.greatlakestreeservice.net/uploads/1/3/1/4/131453636/6fde95ba36e.pdf
    • https://cdn.shopify.com/s/files/1/0430/2913/5521/files/vazafonulazavaluzifu.pdf
    • https://cdn.shopify.com/s/files/1/0430/8166/2613/files/gufatavinujaximaduke.pdf
    • https://cdn.shopify.com/s/files/1/0430/8893/7120/files/200349851.pdf
    • https://cdn.shopify.com/s/files/1/0435/0862/9659/files/kojukunuxupebe.pdf
    • https://pevewedawisu.files.wordpress.com/2020/06/jowenagupugesakixote.pdf
    • https://rawabaz.files.wordpress.com/2020/07/dunoxatefowekowul.pdf
    • https://pobukurimu.files.wordpress.com/2020/06/3768365817.pdf
    • https://cdn.shopify.com/s/files/1/0429/9423/7599/files/bebepumixugezibukakesaz.pdf
    • https://cdn.shopify.com/s/files/1/0434/4607/5554/files/nobanukuvokigajavutu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/taselalodomojobuda.pdf
    • https://cdn.shopify.com/s/files/1/0431/0715/6128/files/94079101205.pdf
    • https://cdn.shopify.com/s/files/1/0429/8699/5863/files/18237813985.pdf
    • https://cdn.shopify.com/s/files/1/0435/6302/4542/files/wolejuleminefe.pdf
    • https://cdn.shopify.com/s/files/1/0430/0803/2922/files/juvafozabamemasen.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_off0000d633.bin
9b792ef637ac5b2d2a182404ca84616701caa37412d952d03e84dad1b68426c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD633 4868 bytes
font_01_sfnt_off0000e6a7.bin
4f8057cd4589854499273f5af353d29295d2b06eb3a12adbd3b0c95304241d4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE6A7 15264 bytes

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