Malicious PDF — malware analysis report

Static analysis result for SHA-256 e844871b472e28ca…

MALICIOUS

PDF

38.1 KB Created: 2020-08-22 19:24:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 811d378839d22fe41a61f8abb479e8de SHA-1: 648afea4900ee0fe77fa5d726e8e9ff8293bf6a7 SHA-256: e844871b472e28ca5c45b40a3736eee502f36e4624cc5961daa815bf54e74a3a
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external PDFs hosted on Shopify and other domains. One of the primary links directs to a known malicious redirector at 'https://ttraff.com/pify?keyword=coremax+corporation+annual+report', suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains metadata indicating it was generated by wkhtmltopdf and includes the malicious redirector URL, reinforcing the 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=coremax+corporation+annual+report
    • http://tosewaw.eventsforyou.net/uploads/1/3/1/6/131637306/3233535.pdf
    • http://files.cooperstowndeerruncampgroundinc.com/uploads/1/3/1/8/131856852/c3b33bb03b7c.pdf
    • http://xolidikol.tracygrammer.com/uploads/1/3/1/4/131453960/2566f6969680.pdf
    • http://files.austinsbestphotobooths.com/uploads/1/3/1/3/131378776/wimirani-migatij-matagure.pdf
    • http://files.thehiveweddings.com/uploads/1/3/0/7/130738739/gisuzej-gepilule-zedolixomume.pdf
    • https://cdn.shopify.com/s/files/1/0428/5900/4070/files/bitutasede.pdf
    • https://cdn.shopify.com/s/files/1/0432/7460/0598/files/bimifipukixatotagil.pdf
    • https://cdn.shopify.com/s/files/1/0431/8186/7176/files/oriflame_catalogue_august_2020_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/9811/2167/files/leposagabiwoko.pdf
    • https://cdn.shopify.com/s/files/1/0436/4976/1433/files/septoplastia_y_turbinoplastia.pdf
    • https://cdn.shopify.com/s/files/1/0440/5736/2597/files/4515397429.pdf
    • https://cdn.shopify.com/s/files/1/0432/8092/4840/files/8017442480.pdf
    • https://cdn.shopify.com/s/files/1/0429/9590/8761/files/petuxogijusinew.pdf
    • https://cdn.shopify.com/s/files/1/0440/8688/6552/files/14515768077.pdf
    • https://cdn.shopify.com/s/files/1/0428/8780/7129/files/93152034746.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_off0000577a.bin
22f4e0bf6a9dc6e940772d469de17041b89b71a823e2b47d967319f9c9c52660		 pdf-font-stream PDF embedded font (sfnt) at offset 0x577A 4876 bytes
font_01_sfnt_off000067f2.bin
a50dadff25fb2b656f6164f988a3e6a302f402182dacdf58929ddb70097ecb52		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67F2 10540 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.