Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6e21cbedafd90a3…

MALICIOUS

PDF

59.2 KB Created: 2020-08-21 09:24:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 71ec5e8a2c432ae8123e1b58ebcfb2bf SHA-1: 65d4a2b32cea586e2387800ad9c98ae547e9c4dc SHA-256: f6e21cbedafd90a32e577358c0f4af1934ffd2a5688c6c65887ce2859e548fc3
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded external links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=scrying+sheets+blood+moon', which is flagged as malicious. The presence of numerous links, including the malicious one, suggests a phishing or malware distribution attempt.

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=scrying+sheets+blood+moon
    • http://tavanarix.kpcecala.net/uploads/1/3/1/3/131383770/kitafituvozowusale.pdf
    • http://zagawuzi.debraflatimer.com/uploads/1/3/0/8/130814297/fafefimuxejibawufalu.pdf
    • http://galigegel.bekindtoeverykind.com/uploads/1/3/0/7/130738970/gunosi-leguz-batotonapivowe.pdf
    • http://files.homesteadbliss.com/uploads/1/3/2/7/132712127/6408f24e07.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/duwaxufezemurogagur.pdf
    • https://cdn.shopify.com/s/files/1/0428/4104/7206/files/50054291884.pdf
    • https://cdn.shopify.com/s/files/1/0440/4710/6213/files/outlook_for_windows_7.pdf
    • https://cdn.shopify.com/s/files/1/0433/6559/7342/files/drug_abuse_in_uganda_2017.pdf
    • https://cdn.shopify.com/s/files/1/0429/6402/5493/files/95359731086.pdf
    • https://cdn.shopify.com/s/files/1/0443/1986/7036/files/mulogogojajusitusoto.pdf
    • https://cdn.shopify.com/s/files/1/0431/8222/7617/files/12405449940.pdf
    • https://cdn.shopify.com/s/files/1/0450/4512/1182/files/shackleton_book.pdf
    • https://cdn.shopify.com/s/files/1/0463/5079/4909/files/90040742160.pdf
    • https://cdn.shopify.com/s/files/1/0432/8646/2628/files/sentiment_analysis_big_data.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_off0000aa19.bin
51f122e29d379f221c00189ea1067dd7614d17aae266137615a4420e5d75e55e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAA19 5488 bytes
font_01_sfnt_off0000bc91.bin
9eb8169871487a50d0930edd7b977cdec7e1347c7b202c4cdc7c516f922b6f54		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBC91 10352 bytes

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