Malicious PDF — malware analysis report

Static analysis result for SHA-256 da03dc456023abdb…

MALICIOUS

PDF

37.2 KB Created: 2020-08-24 10:33:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 93b66ccd824bd0770ab5f08f6b5754eb SHA-1: 20d58ec52f7724e5167837e0c6fde8beaf905aa0 SHA-256: da03dc456023abdb80355006d3be2a4ce0bba171a011bf895104950b4f88a9e6
160 Risk Score

Malware Insights

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

The PDF document contains a link farm and a specific malicious redirector URL, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains the text 'Ultimate 836 angle- izer diy template tool' and the malicious URL, suggesting a lure to a fake tool or resource. The presence of multiple embedded links, including one pointing to a known malicious redirector, strongly suggests a phishing attack pattern.

Heuristics 4

  • 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.
  • Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND
    Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
  • 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=ultimate+836+angle-+izer+diy+template+tool
    • http://pejefa.achievewe.org/uploads/1/3/2/7/132740930/rogebapinatibo_bodebumirodi.pdf
    • http://files.georginarosannamurray.com/uploads/1/3/1/4/131453024/rafifesusora.pdf
    • https://cdn.shopify.com/s/files/1/0433/9793/9349/files/kijifunuralafubovimubafe.pdf
    • https://cdn.shopify.com/s/files/1/0437/3161/5909/files/sitecore_powershell_change_template.pdf
    • https://cdn.shopify.com/s/files/1/0429/2873/4367/files/pdf_file_attachment_settings.pdf
    • https://cdn.shopify.com/s/files/1/0433/4452/7525/files/acog_fetal_heart_monitoring_guidelines.pdf
    • https://cdn.shopify.com/s/files/1/0434/3165/7638/files/fefuginuwemigurekafoliw.pdf
    • https://cdn.shopify.com/s/files/1/0431/6758/0322/files/30714814413.pdf
    • https://cdn.shopify.com/s/files/1/0428/5349/9046/files/semipuxelis.pdf
    • https://cdn.shopify.com/s/files/1/0429/9623/6447/files/64647361000.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50537202024.pdf
    • https://cdn.shopify.com/s/files/1/0437/1021/8391/files/33195161677.pdf
    • https://cdn.shopify.com/s/files/1/0432/2243/3953/files/windows_8._1_bootable_iso_image_free.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_off0000505e.bin
4e728e57cf616704acf9e0856be0615a946db130367b5a349b36628880e84674		 pdf-font-stream PDF embedded font (sfnt) at offset 0x505E 5788 bytes
font_01_sfnt_off00006402.bin
ef5639cb5c1c20bc2737a57fb99f787c441d930f5632d526ad00ce0db7635bbc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6402 10604 bytes

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