Malicious PDF — malware analysis report

Static analysis result for SHA-256 961b329d4922d0aa…

MALICIOUS

PDF

55.5 KB Created: 2020-08-12 11:10:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4b700372465465b16c04da90d09539d5 SHA-1: 2f359fda4754c54b0417dfff4bf1ca3d74fa6c12 SHA-256: 961b329d4922d0aa4bccebea304dd65a862874c63d13f49014150c354f28db3e
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.cc/pify?keyword=american+gods+script+pdf. This suggests the document is designed to redirect users to malicious content, likely for phishing or malware distribution. No scripts were extracted from this sample.

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.cc/pify?keyword=american+gods+script+pdf
    • http://files.2ndchancehypnotherapy.com/uploads/1/3/0/7/130739651/nokugowug-dukob.pdf
    • http://files.riverhaircompany.com/uploads/1/3/1/4/131407263/5936807.pdf
    • http://files.ds-tuinwerken.com/uploads/1/3/1/4/131407315/bovegivurabetim.pdf
    • https://cdn.shopify.com/s/files/1/0439/5070/2750/files/download_buku_akuntansi_biaya_mulyadi.pdf
    • https://cdn.shopify.com/s/files/1/0434/3519/6566/files/luxaxud.pdf
    • https://cdn.shopify.com/s/files/1/0440/7649/9096/files/where_to_find_java._exe.pdf
    • https://cdn.shopify.com/s/files/1/0432/9861/9557/files/budalofenuxurugafi.pdf
    • https://cdn.shopify.com/s/files/1/0436/1083/3058/files/50451343603.pdf
    • https://cdn.shopify.com/s/files/1/0434/4204/5090/files/cambridge_igcse_ict_study_and_revision_guide.pdf
    • https://cdn.shopify.com/s/files/1/0429/2460/5599/files/6140891949.pdf
    • https://cdn.shopify.com/s/files/1/0438/2064/6562/files/77529706663.pdf
    • https://cdn.shopify.com/s/files/1/0432/3459/0878/files/98694105843.pdf
    • https://cdn.shopify.com/s/files/1/0438/6127/8870/files/68658416199.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_off00009bf0.bin
1d4a4ef251c5bee27979126453e33d3e31d0cab869c7993c6a6917c44ebbf843		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9BF0 5432 bytes
font_01_sfnt_off0000ae45.bin
ba0cbc43d77bd951be90c64d4385d9e816f0a69e49f999437c222c9a17e2b8f0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAE45 10420 bytes

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