Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5001ff422a52720…

MALICIOUS

PDF

73.5 KB Created: 2020-09-30 04:52:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fed6b3beff94717c019116384c9e1cc9 SHA-1: 215044b9b589bf61b60b243ed943f83f913e9473 SHA-256: e5001ff422a527205769097b7490ed3b2e830e5fb44fa16f97ee9824bf182f49
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 link farm. One of these links, 'https://gettraff.ru/mozel?keyword=bratstvo+crnog+bode%25C5%25BEa+17+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting the primary purpose is to lure users to malicious sites.

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://gettraff.ru/mozel?keyword=bratstvo+crnog+bode%25C5%25BEa+17+pdf
    • http://nazakedu.dawnhorstead.com/uploads/1/3/1/3/131398064/5dbefa2641589f.pdf
    • http://files.vivatanbeautyboutique.ca/uploads/1/3/1/4/131406947/a9dc775e89c243.pdf
    • http://files.gdni.biz/uploads/1/3/0/9/130969944/20b957aa54667.pdf
    • http://files.sandromontefusco.com/uploads/1/3/0/8/130874254/tezilelitisa.pdf
    • http://files.marykokiemcnaugher.com/uploads/1/3/2/7/132710763/6405877.pdf
    • http://jivun.scholarwanders.com/uploads/1/3/1/8/131871721/5586232.pdf
    • http://files.ccfcovid19resources.com/uploads/1/3/2/6/132682966/1195133.pdf
    • http://xatif.mosaicsbyvictoria.com/uploads/1/3/1/0/131070374/f873b.pdf
    • http://files.trfike.com/uploads/1/3/0/7/130776204/9198506.pdf
    • https://cdn.shopify.com/s/files/1/0434/2261/3655/files/atresia_intestinal_pediatria.pdf
    • https://cdn.shopify.com/s/files/1/0431/2760/3354/files/zukon.pdf
    • https://cdn.shopify.com/s/files/1/0436/8806/7225/files/govoxidixisudosolakeka.pdf
    • https://cdn.shopify.com/s/files/1/0437/3735/0309/files/55284702183.pdf
    • https://cdn.shopify.com/s/files/1/0437/7578/7162/files/to_kill_a_mockingbird_trial.pdf
    • https://cdn.shopify.com/s/files/1/0438/4302/7109/files/2_dimensional_shapes_printable_worksheets.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_off0000ddd0.bin
01ae8580aa81a4069dc93b70e7ca42f2a219c475f02af8c5d7cf358b9c97cec8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDDD0 5752 bytes
font_01_sfnt_off0000f194.bin
28d67328f4045bbdc843e8079e885a93340370a2acb6b56f5f295398885ad6b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF194 10980 bytes

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