Malicious PDF — malware analysis report

Static analysis result for SHA-256 59e300ed6035bfc9…

MALICIOUS

PDF

53.8 KB Created: 2020-08-21 03:02:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b55012d9acd3bd98edea58879776bb91 SHA-1: 8791ec3cca1d99c376804886fb4c1ec09b764b33 SHA-256: 59e300ed6035bfc9a63ea49a92a5ea7632a415a3e0a6369be191b9fa60f95a08
150 Risk Score

Malware Insights

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

The PDF contains numerous links to external PDFs, many hosted on Shopify, which is indicative of a link farm or SEO poisoning tactic. One of the primary links, 'https://ttraff.ru/pify?keyword=coffee+cup+mockup+template', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains the same lure text and the malicious URL, suggesting the PDF's purpose is to drive traffic to malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.ru/pify?keyword=coffee+cup+mockup+template
    • http://files.newyorkstategrandcouncil.com/uploads/1/3/2/7/132710780/fejedobemu.pdf
    • http://files.antiochwaukegan.org/uploads/1/3/2/3/132302710/9f540fb15478.pdf
    • http://files.fatrocktile.net/uploads/1/3/0/7/130776809/6461054.pdf
    • http://files.linksstainedglass.com/uploads/1/3/1/3/131379496/matasawuvanadaret.pdf
    • https://cdn.shopify.com/s/files/1/0429/7133/2767/files/tozopolafezaluz.pdf
    • https://cdn.shopify.com/s/files/1/0432/5313/7576/files/mumunizize.pdf
    • https://cdn.shopify.com/s/files/1/0437/2067/1386/files/zejowirugilawewegolar.pdf
    • https://cdn.shopify.com/s/files/1/0437/9040/1687/files/bharat_ratna_2020_list_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/9073/8328/files/regafuwijaxuvotufa.pdf
    • https://cdn.shopify.com/s/files/1/0432/5962/5627/files/rumozedonuxa.pdf
    • https://cdn.shopify.com/s/files/1/0434/5603/7016/files/4641380457.pdf
    • https://cdn.shopify.com/s/files/1/0431/5050/8181/files/bach_goldberg_aria_sheet_music.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/
    • https://cdn.shopify.com/s/files/1/0432/5313/757

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009746.bin
ca49159793154ec880e4394657ea6007d13d9fd33a5b53432991e17d186ccd45		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9746 4856 bytes
font_01_sfnt_off0000a7c4.bin
26895a43061bf016351b3390198a997b5e4774863dd3b832cc51a92da6f17656		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA7C4 10028 bytes

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