Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f987f2a8634647a…

MALICIOUS

PDF

41.7 KB Created: 2020-08-11 13:21:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 444166c403e9bfe7d9ad0e0eec5ca4de SHA-1: 0a7f220faf42e6c0ca77675573eafc02ae877b3f SHA-256: 9f987f2a8634647ab89fcfb63e59d02e3286fd79c2161a919ebf0c956055b12a
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many of which are SEO-optimized and point to PDF files. One of these links, "https://ttraff.com/wb?keyword=doors%20and%20windows%20details%20pdf", is identified as a malicious redirector. This suggests the document is designed to lead users to malicious sites, likely for phishing or malware distribution. No scripts were extracted, limiting further 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/wb?keyword=doors%20and%20windows%20details%20pdf
    • http://razupel.farcornersmusicals.org/uploads/1/3/2/6/132696212/8090426.pdf
    • http://files.nprycetest.com/uploads/1/3/1/4/131453818/82524.pdf
    • http://files.africanliongroup.com/uploads/1/3/1/3/131379678/9399255.pdf
    • http://files.bostonterriersnyc.com/uploads/1/3/1/4/131407148/2456590.pdf
    • http://files.epictherapyandwellness.com/uploads/1/3/0/7/130738892/7110317.pdf
    • https://cdn.shopify.com/s/files/1/0431/3802/3581/files/10496196002.pdf
    • https://cdn.shopify.com/s/files/1/0430/8860/9429/files/pedum.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vejut.pdf
    • https://cdn.shopify.com/s/files/1/0454/6487/9256/files/encyclopedic_dictionary_of_pipeline_integrity.pdf
    • https://cdn.shopify.com/s/files/1/0434/6583/4649/files/buganda_kingdom.pdf
    • https://cdn.shopify.com/s/files/1/0430/6193/6285/files/vujenezisenoxadixejomus.pdf
    • https://cdn.shopify.com/s/files/1/0432/3698/2943/files/bifold_leather_wallet_pattern.pdf
    • https://cdn.shopify.com/s/files/1/0437/0530/3205/files/14944502225.pdf
    • https://cdn.shopify.com/s/files/1/0437/6202/4605/files/binomische_formeln_aufgaben_schwer.pdf
    • https://cdn.shopify.com/s/files/1/0432/1827/2423/files/zevededunategivazilakad.pdf
    • https://cdn.shopify.com/s/files/1/0428/7466/7164/files/wiburulo.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_off0000679c.bin
9deb0cc02c665caaa6185a9b8458444122d8560b610bfdc8f7dc38708ef9fb21		 pdf-font-stream PDF embedded font (sfnt) at offset 0x679C 5128 bytes
font_01_sfnt_off0000792f.bin
1d126f472a8eac721cfeaea6b5647b22533a7c159ba8af5ae51653caa6a3e137		 pdf-font-stream PDF embedded font (sfnt) at offset 0x792F 9592 bytes

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