Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc4018b6f6c7cd6b…

MALICIOUS

PDF

51.5 KB Created: 2020-07-24 18:28:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 89e7768a3d7bbfb5aaf59ae00bdc0ed1 SHA-1: 6010419ea5f1cbd3b565a1fb637f8432b194552d SHA-256: dc4018b6f6c7cd6b5b01d9334c51f66188455a7a3da81a5ba8c0ec7019102a30
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. Additionally, it exhibits a PDF link farm pattern, with numerous embedded links, many hosted on Shopify. The document body is heavily obfuscated, but the presence of the redirector and link farm suggests a phishing or malicious redirection attempt. 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.com/pify?keyword=dream+theater+best+songs
    • http://files.thewheeltheatre.org/uploads/1/3/1/4/131406303/pimumajetege_feruzolobiv.pdf
    • http://files.blue-eyedbuffalo.com/uploads/1/3/1/8/131871587/2145158.pdf
    • http://files.thequiltingretreat.com/uploads/1/3/1/6/131636642/5858083.pdf
    • http://files.margoselski.com/uploads/1/3/1/3/131379396/4873835.pdf
    • http://files.dzamarie.com/uploads/1/3/0/9/130969488/lufagififa-jolanebaxajaz-nidekewozi.pdf
    • http://files.dzam
    • https://cdn.shopify.com/s/files/1/0429/7709/9939/files/21005561696.pdf
    • https://cdn.shopify.com/s/files/1/0437/3633/4501/files/81694290995.pdf
    • https://cdn.shopify.com/s/files/1/0432/7987/6252/files/magabad.pdf
    • https://cdn.shopify.com/s/files/1/0431/7039/8362/files/wetidewozilajobotuj.pdf
    • https://cdn.shopify.com/s/files/1/0434/0645/9029/files/46993503230.pdf
    • https://cdn.shopify.com/s/files/1/0427/4143/2487/files/novobebaforeraja.pdf
    • https://cdn.shopify.com/s/files/1/0433/6913/6280/files/botif.pdf
    • https://cdn.shopify.com/s/files/1/0432/6300/0734/files/9533161849.pdf
    • https://cdn.shopify.com/s/files/1/0427/4513/5260/files/famifumifogoba.pdf
    • https://cdn.shopify.com/s/files/1/0433/8175/1964/files/fevopazerejapuxobesag.pdf
    • https://cdn.shopify.com/s/files/1/0434/3860/4450/files/39736717407.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_off00007ccd.bin
dc34af615de1c468b20b3d51468404992aa0544f5ba8f66f2115a075662e8b59		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CCD 4876 bytes
font_01_sfnt_off00008de4.bin
edf9440afd13d6df65ce2e2a0cf94d7fcabf13767415233484bc9bed5af7d1bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8DE4 4948 bytes
font_02_sfnt_off00009e86.bin
f42986209f2f7f0e7009a1294d8721cbbe59ba65496dbc1ffccdfce1922eaefb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9E86 9928 bytes

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