Malicious PDF — malware analysis report

Static analysis result for SHA-256 ecad17481641cbc9…

MALICIOUS

PDF

40.2 KB Created: 2020-09-01 15:21:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9321cdc9578e1cbab5e9359f47c9501e SHA-1: 41faa76260747d601031e979ce12c6387293b55e SHA-256: ecad17481641cbc964d4c316f049aabebe80cb1bed64741c3c0cfcd6ba0bb4a6
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Moviescounter pro 2019 movies page 2' and the malicious URL, suggesting a lure to a potentially harmful site. The heuristic firings confirm the presence of a malicious redirector and a link farm, indicating an attempt to distribute malicious content or phish users.

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.me/wix?keyword=moviescounter+pro++2019+movies+page+2
    • https://cdn.shopify.com/s/files/1/0431/2724/2906/files/figisafakutakaxif.pdf
    • https://cdn.shopify.com/s/files/1/0430/3287/1074/files/agrometeorologia_agricola.pdf
    • https://cdn.shopify.com/s/files/1/0428/4504/4892/files/momanus.pdf
    • https://cdn.shopify.com/s/files/1/0431/1416/8480/files/56196573433.pdf
    • https://cdn.shopify.com/s/files/1/0432/3128/1312/files/45380502605.pdf
    • https://cdn.shopify.com/s/files/1/0438/2448/0416/files/17192330048.pdf
    • https://cdn.shopify.com/s/files/1/0428/9229/6359/files/hotstar_old_version_apkpure.pdf
    • https://static.usrfiles.com/ugd/b914b5_940a4d275ea94a93b519ae5d822ff8d9.pdf
    • https://static.usrfiles.com/ugd/221f3a_3fb1f235b4404562b19347fe5ac97b27.pdf
    • https://cdn.shopify.com/s/files/1/0432/9373/7110/files/xoxodesimizagunedut.pdf
    • https://cdn.shopify.com/s/files/1/0438/3450/7426/files/pirijonatosev.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/33374625424.pdf
    • https://cdn.shopify.com/s/files/1/0437/0992/3481/files/kokewovupuwanudu.pdf
    • https://cdn.shopify.com/s/files/1/0437/6962/6781/files/38753002528.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_off00005f3b.bin
73d76639776dfa6bda596bb6d9391a4edb5e0f0ed8f035eb90d03962d5fa47ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F3B 5768 bytes
font_01_sfnt_off000072e1.bin
355e4f2033829d0dc4e00dbb9d87aa9296ce76fa42a1b7a64fe15f9fc391d5cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72E1 9772 bytes

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