Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b2c7b14ecc6c85c…

MALICIOUS

PDF

45.0 KB Created: 2020-07-26 18:53:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4d06254728d92d58a621e9446c059e78 SHA-1: 5fc8cf752f423b180f9f23d6828b88bccd71fefb SHA-256: 9b2c7b14ecc6c85cf9815cb834a19ec58304fe0a5d020287d25bb51e582db95f
120 Risk Score

Malware Insights

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

The PDF contains embedded links that point to a known malicious redirector (ttraff.com). The document body, though heavily obfuscated, appears to reference a report title, suggesting a social engineering lure. The presence of numerous external PDF links, many hosted on shopify.com, indicates a link farm designed to obscure the ultimate destination or to distribute further malicious content.

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=clevedon+court+nursing+home+cqc+report
    • http://files.brareabj.org/uploads/1/3/1/6/131606502/daditu.pdf
    • http://files.kamkomics.com/uploads/1/3/1/4/131438427/88dc1.pdf
    • http://files.roofing-waterproofing.com/uploads/1/3/1/4/131407042/9006a17f4.pdf
    • http://files.savinggrace2016.com/uploads/1/3/2/8/132816036/setikasupekudepe.pdf
    • https://cdn.shopify.com/s/files/1/0436/0493/4814/files/33261893965.pdf
    • https://cdn.shopify.com/s/files/1/0432/1456/9640/files/dadorowuvonumu.pdf
    • https://cdn.shopify.com/s/files/1/0428/1021/2518/files/koturimamotabo.pdf
    • https://cdn.shopify.com/s/files/1/0431/9671/1073/files/37772711515.pdf
    • https://cdn.shopify.com/s/files/1/0430/7176/6677/files/kovaduzavipolal.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87678197609.pdf
    • https://cdn.shopify.com/s/files/1/0431/7390/4545/files/lotupulosasupuwibiriros.pdf
    • https://cdn.shopify.com/s/files/1/0434/0921/1557/files/wemapasubom.pdf
    • https://cdn.shopify.com/s/files/1/0429/8535/7463/files/50787939058.pdf
    • https://cdn.shopify.com/s/files/1/0432/3934/2248/files/tomiw.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_off0000737d.bin
1408405095942f795515a80a2ba010ddcf5814aedfcf99e8dbd12c74f5eb9c67		 pdf-font-stream PDF embedded font (sfnt) at offset 0x737D 5368 bytes
font_01_sfnt_off00008590.bin
9f7c58d83c2b7a428705bd604811a68911390d1609e914aa7688701307df8cd6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8590 9684 bytes

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