Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c273a66ea651ef1…

MALICIOUS

PDF

45.2 KB Created: 2020-08-23 07:32:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 77a80f1d48c3c2ddd5bca9000a420429 SHA-1: b5caf318cd1ecbbf763555920d44c71723a6d2fa SHA-256: 2c273a66ea651ef1edd10c4c6deff102e8cf60dde314501786a5b6bc0897adfd
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=emulator+ps2+android+tv', suggesting a lure to a malicious site. The presence of a link farm heuristic further indicates an attempt to distribute malicious content.

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/pify?keyword=emulator+ps2+android+tv
    • http://files.arttherapypedalers.com/uploads/1/3/1/8/131871692/4035296.pdf
    • http://files.aubreymaejones.com/uploads/1/3/1/8/131871501/jamuv.pdf
    • https://cdn.shopify.com/s/files/1/0432/3957/1616/files/index_in_r.pdf
    • https://cdn.shopify.com/s/files/1/0432/5690/5885/files/25799480530.pdf
    • https://cdn.shopify.com/s/files/1/0429/9459/8047/files/22720652241.pdf
    • https://cdn.shopify.com/s/files/1/0440/0388/5206/files/koxalasika.pdf
    • https://cdn.shopify.com/s/files/1/0428/4170/2567/files/82394722099.pdf
    • https://cdn.shopify.com/s/files/1/0432/1493/0084/files/duplicate_google_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0435/3690/8439/files/27376156478.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/duwaxufezemurogagur.pdf
    • https://cdn.shopify.com/s/files/1/0448/4448/2717/files/bosikuxemapomojazotivuvot.pdf
    • https://cdn.shopify.com/s/files/1/0437/2008/1563/files/bhagavad_gita_swami_mukundananda.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000064d4.bin
5dcbd46d2aff3ccb3f43d05697ea2f3d5c350872cc87b8311e982c8bd2d49515		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64D4 5016 bytes
font_01_sfnt_off000075be.bin
f0e1e4e2818b1d66384b811ee22a4cb8e65ab9fa6a859595d031ab7e596234f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75BE 10652 bytes
font_02_sfnt_off00009a2d.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9A2D 4324 bytes

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