Malicious PDF — malware analysis report

Static analysis result for SHA-256 b742f6520c36e613…

MALICIOUS

PDF

46.9 KB Created: 2020-08-19 15:44:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a0eec1b45def0f8a1c38d79f9c7e98d0 SHA-1: 4b693bb6a6b3bf16848be3e43d366c73d5000b1f SHA-256: b742f6520c36e61386d0f6ab8a96f969cc716ae51069b9686cbdd1d049912ac7
150 Risk Score

Malware Insights

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

The PDF contains a link to a redirector URL, which is a common tactic for delivering malicious payloads or phishing pages. The document body, though heavily obfuscated, contains text related to 'notification email template laravel' and the malicious redirector URL itself. The presence of numerous embedded links, many pointing to Shopify domains, suggests an attempt to obscure the final destination and potentially leverage legitimate platforms for hosting. No scripts were extracted, limiting the analysis of direct execution behavior.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=notification+email+template+laravel
    • http://files.latinmasshv.org/uploads/1/3/1/3/131380279/fa7e65a85f7eec.pdf
    • https://cdn.shopify.com/s/files/1/0429/2483/4975/files/mujotedolotur.pdf
    • https://cdn.shopify.com/s/files/1/0429/5789/7882/files/xugimezujopofutifugomafe.pdf
    • https://cdn.shopify.com/s/files/1/0437/6546/5245/files/belajar_coding_dasar.pdf
    • https://cdn.shopify.com/s/files/1/0430/7661/6341/files/69033209557.pdf
    • https://cdn.shopify.com/s/files/1/0436/2534/9283/files/visusibezekefuvavusibip.pdf
    • https://cdn.shopify.com/s/files/1/0440/7230/4805/files/discord_channel_topic.pdf
    • https://cdn.shopify.com/s/files/1/0431/1593/7948/files/zatid.pdf
    • https://cdn.shopify.com/s/files/1/0438/2218/6656/files/texas_reality_check.pdf
    • https://cdn.shopify.com/s/files/1/0456/8258/9855/files/mepisoxox.pdf
    • https://cdn.shopify.com/s/files/1/0431/9186/1410/files/75057438833.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_off00006e18.bin
fb2ccd80c07a074e091b285e091b6536a776a78ba9eeb289194174f7f20e3b73		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E18 5012 bytes
font_01_sfnt_off00007f16.bin
163af41be30ed1379d55edbda216a1a2e2be7a66673733b2e1de1a5dfb7fe46e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F16 15284 bytes

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