Malicious PDF — malware analysis report

Static analysis result for SHA-256 90cdee24497fb972…

MALICIOUS

PDF

45.3 KB Created: 2020-07-25 20:22:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 540d9270321efbf894c6e285a52025bb SHA-1: 02652bcec4ad99ab84ac1ecbda436386ad7b2d1b SHA-256: 90cdee24497fb97273fdfe890f2f8b5595d879586d655968c697b30afa21ab09
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a lure promising an Xbox 360 emulator for Android, which is a common tactic for phishing or malware delivery. The embedded link directs to a known malicious redirector, ttraff.cc, which is designed to lead users to further malicious content. The PDF also hosts a large number of other PDF files on Shopify, likely for SEO manipulation to improve search engine ranking for the malicious lure.

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/pify?keyword=xbox+360+emulator+for+android+free
    • http://files.burlingtontheatre.com/uploads/1/3/0/7/130776204/00a47d3a91052.pdf
    • http://files.lydiaoxley.com/uploads/1/3/0/7/130775261/62bbdb8.pdf
    • http://files.nicolakeenonstage.com/uploads/1/3/2/7/132710563/vumav-palanepejuzowo.pdf
    • https://cdn.shopify.com/s/files/1/0429/5265/5002/files/30715020332.pdf
    • https://cdn.shopify.com/s/files/1/0434/1566/6849/files/wojomoxitopireretaxuluk.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zenafepejeviwasi.pdf
    • https://cdn.shopify.com/s/files/1/0432/7650/1147/files/woxugobifoxileg.pdf
    • https://cdn.shopify.com/s/files/1/0438/3762/0381/files/lapixikajafafanode.pdf
    • https://cdn.shopify.com/s/files/1/0428/9078/9027/files/linepivekoburinodawu.pdf
    • https://cdn.shopify.com/s/files/1/0430/3601/6803/files/81509919439.pdf
    • https://cdn.shopify.com/s/files/1/0433/8037/5704/files/nukexarodiru.pdf
    • https://cdn.shopify.com/s/files/1/0431/0751/6565/files/51989056324.pdf
    • https://cdn.shopify.com/s/files/1/0440/3272/1046/files/semenemudejogo.pdf
    • https://cdn.shopify.com/s/files/1/0433/8139/1514/files/18332895423.pdf
    • https://cdn.shopify.com/s/files/1/0432/8249/7696/files/puzupafiz.pdf
    • https://cdn.shopify.com/s/files/1/0427/5847/1846/files/35664988304.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000732a.bin
591ccd37533e7efdb274492b4776580809494945fe6f3a5e838a8c3ab68f4335		 pdf-font-stream PDF embedded font (sfnt) at offset 0x732A 5404 bytes
font_01_sfnt_off00008561.bin
aa483c967fe56c656151f0a969dec5a871190b2d9b1dab87261d5e7a0d317def		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8561 10244 bytes

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