Malicious PDF — malware analysis report

Static analysis result for SHA-256 8eb4888b8f8fe4ea…

MALICIOUS

PDF

49.9 KB Created: 2020-08-23 16:31:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 06f6492fe93e7fc74acc9962f5e745ba SHA-1: 0883664dddc1e77a5b4aa34af1bfe72b67d4a163 SHA-256: 8eb4888b8f8fe4ea8d39472b849e7bb9959c3adcf2a8c2b5504622c7e219dc6d
150 Risk Score

Malware Insights

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

This PDF file contains a link farm designed to redirect users to malicious infrastructure. The primary malicious URL identified is https://ttraff.com/pify?keyword=euler+hermes+group+sa+annual+report+2018, which is flagged as a malicious redirector. The document body, though heavily corrupted, appears to reference 'Euler Hermes Group SA Annual Report 2018', suggesting a lure to disguise the malicious intent. The presence of numerous links, many pointing to Shopify domains, indicates a sophisticated SEO poisoning or link farm strategy to distribute the malicious payload.

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=euler+hermes+group+sa+annual+report+2018
    • http://negagu.genpromotion.nl/uploads/1/3/0/7/130740117/600100221f.pdf
    • https://cdn.shopify.com/s/files/1/0431/2514/5760/files/20761347060.pdf
    • https://cdn.shopify.com/s/files/1/0434/7029/1096/files/test_english_file_beginner.pdf
    • https://cdn.shopify.com/s/files/1/0435/1960/6936/files/kovibitibuwoxigidak.pdf
    • https://cdn.shopify.com/s/files/1/0433/1234/9334/files/dojekasafumetesixeg.pdf
    • https://cdn.shopify.com/s/files/1/0427/8065/5775/files/15325045441.pdf
    • https://cdn.shopify.com/s/files/1/0434/4014/4534/files/3248612846.pdf
    • https://cdn.shopify.com/s/files/1/0433/4823/0297/files/mathematical_modelling_projects.pdf
    • https://cdn.shopify.com/s/files/1/0440/3740/6870/files/video_converter_facebook.pdf
    • https://cdn.shopify.com/s/files/1/0433/9567/8359/files/you_netflix_series_parents_guide.pdf
    • https://cdn.shopify.com/s/files/1/0429/2457/2835/files/8807418717.pdf
    • https://cdn.shopify.com/s/files/1/0433/4603/4843/files/century_electric_motor_parts_diagram.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_off0000671e.bin
fbad6560e7829310f7369219dcdade663cdc7af3f2cf28a54f2c3346bd511a71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x671E 8372 bytes
font_01_sfnt_off00008399.bin
502b483f96e31bead37b4de16402589d9878f668385d9995f5ea0d5d728c2a38		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8399 5712 bytes
font_02_sfnt_off000096e2.bin
e4a950208ab6e93a3cedff9df58f5700f40c4987ec6c7db594bbdeef2225f00d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x96E2 10424 bytes

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