Malicious PDF — malware analysis report

Static analysis result for SHA-256 243365bba5bf91e0…

MALICIOUS

PDF

42.2 KB Created: 2020-08-15 00:40:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7d603ecb3616cd1902846bc969ec1c16 SHA-1: 2f19866851bfe006c5868250b9e32850cd2d5de0 SHA-256: 243365bba5bf91e0540d760711479ddb1912e4a675c5ea98b5b4d8acf0848c1c
120 Risk Score

Malware Insights

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

The PDF file contains a link disguised as a 'Dior mens shoes size guide' that redirects to a malicious URL (https://ttraff.cc/pify?keyword=dior+mens+shoes+size+guide). This URL is flagged as a malicious redirector. The document also contains a large number of links to other PDFs hosted on Shopify, likely an attempt to manipulate search engine results or distribute further malicious content. The file's structure and the presence of a malicious redirector suggest a phishing or content-luring attack.

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=dior+mens+shoes+size+guide
    • http://rakafi.faisalkababhut.com/uploads/1/3/1/6/131637254/4985727.pdf
    • http://files.positivesportcoaching.org/uploads/1/3/0/9/130969080/nenibupenojivejolule.pdf
    • http://files.karenrhebergen.net/uploads/1/3/0/8/130874046/2835956.pdf
    • http://files.didisparadise.com/uploads/1/3/1/3/131379231/nitez.pdf
    • https://cdn.shopify.com/s/files/1/0437/6448/2202/files/vewenovavalisivupezos.pdf
    • https://cdn.shopify.com/s/files/1/0431/0745/1041/files/vuxosojemetopubilelovi.pdf
    • https://cdn.shopify.com/s/files/1/0431/6309/1112/files/28423990977.pdf
    • https://cdn.shopify.com/s/files/1/0430/7812/3674/files/61884695182.pdf
    • https://cdn.shopify.com/s/files/1/0428/3033/2060/files/barumap.pdf
    • https://cdn.shopify.com/s/files/1/0427/5326/1724/files/dabarepesotilikanowi.pdf
    • https://cdn.shopify.com/s/files/1/0432/8531/5739/files/22150176821.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/92161478626.pdf
    • https://cdn.shopify.com/s/files/1/0428/7702/6463/files/87407592915.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005ae9.bin
a7b5cc9287459e1b0efc9777da9c4297f69f924e504b313e31121ff2363e1d01		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AE9 4848 bytes
font_01_sfnt_off00006b2d.bin
9178d21f26abeaf22677d002c10cb36dc47e8e66579cf15a81f4c28c9c9d0b08		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B2D 10096 bytes
font_02_sfnt_off00008dbd.bin
ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8DBD 4324 bytes

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