Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec6e70123745b8fa…

MALICIOUS

PDF

44.1 KB Created: 2020-07-31 03:09:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fe92742c919e70705b22ad4f93e934b4 SHA-1: f043c8f821ef4109a6d202f4cd2479d923a7c934 SHA-256: ec6e70123745b8fae746cb2b60c12a7f9d5a34e3f5a0f1e4c7eae92237f4dcce
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with a critical heuristic firing indicating a malicious redirector. One of the primary links points to 'ttraff.com', a known malicious redirector. Another heuristic identified a PDF link farm, suggesting an attempt to distribute or obscure malicious content through numerous links, predominantly hosted on Shopify. The document body, though heavily obfuscated, contains text related to 'budgeting meaning pdf' and 'wkhtmltopdf', likely a lure.

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=budgeting+meaning+pdf
    • http://files.robertgoldenfineartltd.com/uploads/1/3/1/1/131164462/savuwidumix.pdf
    • http://files.ohanahomeschool.org/uploads/1/3/1/3/131381772/jegifuzaxew_rodadolobe.pdf
    • http://files.qnhouse.com.au/uploads/1/3/0/7/130738753/8992713.pdf
    • https://cdn.shopify.com/s/files/1/0427/5296/6812/files/22790067464.pdf
    • https://cdn.shopify.com/s/files/1/0430/7746/8327/files/makizukosudidaduravusip.pdf
    • https://cdn.shopify.com/s/files/1/0434/1307/8168/files/volalej.pdf
    • https://cdn.shopify.com/s/files/1/0434/5508/6742/files/ramefuzamonala.pdf
    • https://cdn.shopify.com/s/files/1/0431/5614/4282/files/ligeninadel.pdf
    • https://cdn.shopify.com/s/files/1/0434/3077/2901/files/jilezut.pdf
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/76487490741.pdf
    • https://cdn.shopify.com/s/files/1/0431/0879/4525/files/bumudunudizej.pdf
    • https://cdn.shopify.com/s/files/1/0431/4031/7335/files/nixuvopopag.pdf
    • https://cdn.shopify.com/s/files/1/0437/1690/3080/files/ralijegudorogafuga.pdf
    • https://cdn.shopify.com/s/files/1/0437/5108/0090/files/lirumerabetimokixalibi.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_off0000705d.bin
817990b54a3453ab936db01ecad12cf722e0f05a21a67ff6e9576593a691e939		 pdf-font-stream PDF embedded font (sfnt) at offset 0x705D 4876 bytes
font_01_sfnt_off000080dc.bin
71c8dade578bfe64f7d7c014f25c260f31a9bd56e69e10cffc6186d9f9ff9e1b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80DC 10164 bytes

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