Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2915cad7955f61c…

MALICIOUS

PDF

42.1 KB Created: 2020-08-15 03:17:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 59390f21d3a24b0356a1307c696a2f6e SHA-1: 2c800044a7f177e3d3af15b8b6fe412bbb205188 SHA-256: e2915cad7955f61cdc8cb33ae3b6ccef401d47e8a38edb32f90fb70fbc3a63eb
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=lost+maples+foliage+report'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on shopify.com. The document body, though heavily obfuscated, contains the same malicious URL and benign-looking PDF links, suggesting a lure to a malicious site under the guise of a report. No scripts were extracted, limiting further analysis of execution chains.

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=lost+maples+foliage+report
    • http://files.rocoveryfitness.com/uploads/1/3/1/4/131438397/dozawomokimomeg.pdf
    • http://files.moenkopimemories.org/uploads/1/3/0/9/130969424/xusutijerijiride.pdf
    • https://cdn.shopify.com/s/files/1/0434/9201/6280/files/tibufefibiborakipeka.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78578063821.pdf
    • https://cdn.shopify.com/s/files/1/0430/6593/3973/files/baybayin_alphabet_chart.pdf
    • https://cdn.shopify.com/s/files/1/0433/3499/2025/files/aims_and_objectives_of_cooking_food.pdf
    • https://cdn.shopify.com/s/files/1/0436/2174/4803/files/rotanuruwadamanilux.pdf
    • https://cdn.shopify.com/s/files/1/0436/3137/8592/files/11253680799.pdf
    • https://cdn.shopify.com/s/files/1/0430/0134/8255/files/puzofajekogimodefem.pdf
    • https://cdn.shopify.com/s/files/1/0430/0279/0039/files/galorewifileminux.pdf
    • https://cdn.shopify.com/s/files/1/0433/1926/3397/files/35346528924.pdf
    • https://cdn.shopify.com/s/files/1/0433/7627/9702/files/nuzal.pdf
    • https://cdn.shopify.com/s/files/1/0431/4500/3169/files/thinker_toys_book.pdf
    • https://cdn.shopify.com/s/files/1/0429/4007/2092/files/kubusutesakolas.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_off000066c8.bin
896550accf572145aac33cdf15c7b83e586228e7c9f9afb18e83b1bce56f1ddf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66C8 5164 bytes
font_01_sfnt_off00007848.bin
bd4546ff423862114931e1bf0e242c6342ec09b6b822ab554eab342a266f4712		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7848 10400 bytes

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