Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cee5be2d68979f3…

MALICIOUS

PDF

33.0 KB Created: 2020-08-25 04:10:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4f6f10737c022602983857dd7dfb4977 SHA-1: 9f9fa3921ffdd5f35e6eff2bb8a74ffe4be1b7c3 SHA-256: 2cee5be2d68979f3bfd9fd067590a603518166c120594e58e14ee83b9ef0dd19
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 Shopify domains hosting other PDFs, forming a link farm. One primary URL, 'https://ttraff.com/pify?keyword=bhole+bhajan+dj+remix', is identified as a malicious redirector. This suggests the document's purpose is to redirect users to malicious infrastructure through a chain of links.

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=bhole+bhajan+dj+remix
    • http://files.petlemur.com/uploads/1/3/0/8/130813975/5152790.pdf
    • http://fiwena.dulleslibrary.com/uploads/1/3/2/8/132814930/6727548.pdf
    • https://cdn.shopify.com/s/files/1/0429/1405/4300/files/sorafolomemodetuxut.pdf
    • https://cdn.shopify.com/s/files/1/0431/6397/5835/files/2142314682.pdf
    • https://cdn.shopify.com/s/files/1/0430/6337/8081/files/zibimobozipuxud.pdf
    • https://cdn.shopify.com/s/files/1/0462/3371/4848/files/71641763707.pdf
    • http://gotefete.shojitabuchigiftshop.square.site/uploads/1/3/1/3/131384429/630d6ac94e4ced0.pdf
    • https://cdn.shopify.com/s/files/1/0430/8431/6823/files/green_day_american_idiot_live_mp4.pdf
    • https://cdn.shopify.com/s/files/1/0428/3600/0931/files/29405691091.pdf
    • https://cdn.shopify.com/s/files/1/0440/6041/0021/files/mosapoputowofuv.pdf
    • https://cdn.shopify.com/s/files/1/0437/6343/3621/files/4003793094.pdf
    • https://cdn.shopify.com/s/files/1/0433/2060/6885/files/accu_chek_error_codes.pdf
    • https://cdn.shopify.com/s/files/1/0433/9856/1959/files/12560267222.pdf
    • https://cdn.shopify.com/s/files/1/0435/2580/0087/files/aruba_pec_app_android.pdf
    • https://cdn.shopify.com/s/files/1/0438/3450/7426/files/serexazirexitetedoj.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_off000044f6.bin
9451690ff171af972dd0d8761f5da0510a401b79d0afd3ca94644662182b839c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x44F6 5220 bytes
font_01_sfnt_off0000568a.bin
2f9e7851f0e42e3463ed0a5b4b1009ccdd2e46e70e0f6061cbc4bdb4d1290fe6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x568A 9700 bytes

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