Malicious PDF — malware analysis report

Static analysis result for SHA-256 e562fb95a9b67784…

MALICIOUS

PDF

43.8 KB Created: 2020-08-16 13:32:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ae3237c5469fbd7352d24218a8252f19 SHA-1: 3f0edcdb0e7f6365f49f64f23549000bdef4fbcc SHA-256: e562fb95a9b6778403f0d39076f6058e3af809f37aee76d9de5df4a9471c50c7
128 Risk Score

Malware Insights

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

The PDF contains a call-to-action phrase and embedded links, including one pointing to known malicious redirector infrastructure at ttraff.com. The document body, though heavily obfuscated, contains the URL https://ttraff.com/pify?keyword=adobe+audition+free++for+windows+8, suggesting a lure to download potentially unwanted or malicious software. The presence of a link farm further supports a malicious intent to drive traffic to external sites.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=adobe+audition+free++for+windows+8
    • http://jatofo.laboratorysciencecareers.com/uploads/1/3/1/0/131069839/20913.pdf
    • https://fileforty.com/adobe-audition-cs6-free-download/
    • https://fileforty.com/wp-
    • https://cdn.shopify.com/s/files/1/0437/2401/3722/files/nipiv.pdf
    • https://cdn.shopify.com/s/files/1/0429/6245/2643/files/61127620838.pdf
    • https://cdn.shopify.com/s/files/1/0429/1782/2620/files/wutuf.pdf
    • https://cdn.shopify.com/s/files/1/0427/9386/1279/files/waguvixonaduxat.pdf
    • https://cdn.shopify.com/s/files/1/0434/2602/1527/files/subsurface_scattering_patch.pdf
    • https://cdn.shopify.com/s/files/1/0429/2296/7207/files/78173116619.pdf
    • https://cdn.shopify.com/s/files/1/0432/0156/0737/files/matrix_in_latex.pdf
    • https://cdn.shopify.com/s/files/1/0430/3486/9909/files/chandni_bar_full_movie_mp4.pdf
    • https://cdn.shopify.com/s/files/1/0428/8764/3302/files/korebuledelagavan.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9908973296.pdf
    • https://cdn.shopify.com/s/files/1/0438/3178/7670/files/photoassisted_electrolysis_of_water.pdf
    • https://cdn.shopify.com/s/files/1/0428/7853/3788/files/kebuwiveriripedumilon.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/
    • https://cdn.shopify.com/s/files/1/0432/0156/0737/files/matrix_in_latex.p

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006c8d.bin
b380aba3f613af01ab6015f516ebcef2b4015ee6e7763139689dea3aacb66aee
pdf-font-stream PDF embedded font (sfnt) at offset 0x6C8D 5284 bytes
font_01_sfnt_off00007ea5.bin
2ab725ae7cf42fdddff9577fe01bb946e7e5d4e0203d033aae3aa1bcc8a771b3
pdf-font-stream PDF embedded font (sfnt) at offset 0x7EA5 10364 bytes