Malicious PDF — malware analysis report

Static analysis result for SHA-256 29c96d1406b3e444…

MALICIOUS

PDF

41.5 KB Created: 2020-08-14 21:46:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6731353a9998d5742dcd5679d29b1cc8 SHA-1: 868fba9c676303f45824d51c6bb1d3d6761d60d9 SHA-256: 29c96d1406b3e444fd4403015d3e685f80648e3dab8c6ea81c261da3b576444e
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to ttraff.com. The document body, though partially corrupted, contains the same URL and a lure related to free video editing software. This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or phishing. No scripts were extracted, limiting the analysis of the payload.

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=video+editing+software+free++without+watermark
    • http://files.erasor.org/uploads/1/3/0/8/130874566/8757996.pdf
    • http://files.emmabankshomeopath.com/uploads/1/3/0/7/130738753/makek-tebijava-powefosaxas-tilemepur.pdf
    • http://xawinej.rayzinkanefarm.com/uploads/1/3/1/3/131384401/jojenedafa.pdf
    • https://cdn.shopify.com/s/files/1/0432/9114/8444/files/mizobawave.pdf
    • https://cdn.shopify.com/s/files/1/0435/8920/6174/files/bank_soal_biologi_sma.pdf
    • https://cdn.shopify.com/s/files/1/0433/5543/9263/files/35982156680.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kemulubu.pdf
    • https://cdn.shopify.com/s/files/1/0432/4782/9156/files/vejumizukosezegusovejapit.pdf
    • https://cdn.shopify.com/s/files/1/0430/4722/3458/files/vemiwolefusolebaf.pdf
    • https://cdn.shopify.com/s/files/1/0430/4535/5682/files/uncomplicated_diverticulitis_treatment_guidelines.pdf
    • https://cdn.shopify.com/s/files/1/0431/1184/1949/files/33178022384.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lobusine.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_off00006294.bin
61320c85dc8b45ae5576755f2c1a8557d9c2b63d0f7aba08d6d40db49cccc39b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6294 5412 bytes
font_01_sfnt_off000074e4.bin
207eb8d0aaad3e7de4d1c643d9a76edcf5080af7905549ff3d41ca3d08e52585		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74E4 10680 bytes

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