Malicious PDF — malware analysis report

Static analysis result for SHA-256 aad0f4679e53d6a8…

MALICIOUS

PDF

54.8 KB Created: 2020-08-21 21:52:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7872c9034f1ba41d1b4f9a089b72bf2a SHA-1: 573dc9757b5081b2cb244b21ae33294393ff5bf0 SHA-256: aad0f4679e53d6a8810ea08596dacc0e91491b01dca812f7e7003da95bec39d9
120 Risk Score

Malware Insights

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

The PDF file contains a mass external link farm, with one critical link pointing to a known malicious redirector. The embedded URL, 'https://ttraff.cc/pify?keyword=drinks+menu+template+designs', is likely intended to trick users into downloading further malware or visiting a phishing site. The document body, though heavily obfuscated, contains the same redirector URL, reinforcing the malicious intent.

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/pify?keyword=drinks+menu+template+designs
    • http://xizebutev.designerconsignors.com/uploads/1/3/0/7/130738524/mawobubuz_levije_kiwosikisubofok_galefiw.pdf
    • http://files.evelethheritage.com/uploads/1/3/1/8/131871643/gipudobukane.pdf
    • http://files.siccoconstruction.com/uploads/1/3/1/6/131606923/bizena.pdf
    • https://cdn.shop
    • https://cdn.shopify.com/s/files/1/0434/9244/2264/files/32039456175.pdf
    • https://cdn.shopify.com/s/files/1/0437/1673/9222/files/38283478462.pdf
    • https://cdn.shopify.com/s/files/1/0437/0432/0154/files/android_9_huawei_mate_20_lite.pdf
    • https://cdn.shopify.com/s/files/1/0434/3883/3816/files/48124433215.pdf
    • https://cdn.shopify.com/s/files/1/0435/8311/1325/files/fetugubozunezur.pdf
    • https://cdn.shopify.com/s/files/1/0433/8286/6072/files/11416897665.pdf
    • https://cdn.shopify.com/s/files/1/0437/6081/2190/files/mojenefiropod.pdf
    • https://cdn.shopify.com/s/files/1/0429/5933/9679/files/boguzivuvel.pdf
    • https://cdn.shopify.com/s/files/1/0432/7496/1059/files/adjoint_of_a_3x3_matrix.pdf
    • https://cdn.shopify.com/s/files/1/0429/3948/2275/files/managing_and_troubleshooting_pcs_fifth_edition.pdf
    • https://cdn.shopify.com/s/files/1/0433/4737/8344/files/ludovico_einaudi_fly_sheet_music.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_off00008a29.bin
4de0e4a856fa01ebfb5ddd8c743245b68f35ec8c1d9b7fb52ab28e1c89ac96e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A29 5340 bytes
font_01_sfnt_off00009c38.bin
6a0f671b6de360aafabdf9a1a7eed4d7f5ed698a665e8320a5d346a2ae7bcfd2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9C38 16176 bytes

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