Malicious PDF — malware analysis report

Static analysis result for SHA-256 a8a2a9bd74a775c9…

MALICIOUS

PDF

37.1 KB Created: 2020-08-30 07:32:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6a4c6afc9f970dd9653f506f7716bece SHA-1: 7fe2fc6327df7cce9d75d1ece2af86222270c705 SHA-256: a8a2a9bd74a775c941d507ac054d75adf37957f1ae2fe8236b03f0ea80c89a00
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised as a search result for 'panasonic tv wifi dongle compatibility'. This heuristic, combined with the presence of a large number of embedded links to external PDFs, suggests a phishing or scam attempt. The document body, though heavily obfuscated, also contains the malicious URL and references to product compatibility, reinforcing the lure. 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/wix?keyword=panasonic+tv+wifi+dongle+compatibility
    • https://static.usrfiles.com/ugd/b8c837_c59dde0f4c0644d98e617d6170bb45ed.pdf
    • https://static.usrfiles.com/ugd/77d535_a047a321f7c44ac8b1a6aa40fe2a581b.pdf
    • https://static.usrfiles.com/ugd/b4a829_aa957d3199d14a36bb61a449a250df9c.pdf
    • https://static.usrfiles.com/ugd/b8c837_e4574247d39a42efb2b447b06046fd2b.pdf
    • https://static.usrfiles.com/ugd/b8c837_13a468482e48450dbbfc3fc476ab9681.pdf
    • https://static.usrfiles.com/ugd/b8c837_81b87fe516dd48da9ca8c03f5954dd05.pdf
    • https://static.usrfiles.com/ugd/a86d68_5882fb6d33e24522ad69eb0a355d40e5.pdf
    • https://static.usrfiles.com/ugd/80c1db_80f54b442e02418da8dacbf4c307d981.pdf
    • https://static.usrfiles.com/ugd/e4a001_fd1d46b2080c42e58cd4208b8a32a579.pdf
    • https://cdn.shopify.com/s/files/1/0432/8289/0918/files/24910431698.pdf
    • https://cdn.shopify.com/s/files/1/0433/7057/8070/files/sivafozabamugepidila.pdf
    • https://cdn.shopify.com/s/files/1/0434/0360/8214/files/sebozu.pdf
    • https://cdn.shopify.com/s/files/1/0432/0441/1556/files/motuwikuxeda.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_off000051ae.bin
460f464a54f3286f457b962ad67ec0bf935a8c61af6448536d8bd80633a9556a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51AE 5772 bytes
font_01_sfnt_off00006555.bin
166915af2971f4ecada853584cb04d67fdd61d46335cc09539c29d97acfe02fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6555 10084 bytes

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