Malicious PDF — malware analysis report

Static analysis result for SHA-256 d59eb4aa646dce5e…

MALICIOUS

PDF

33.9 KB Created: 2020-08-19 22:30:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ff7fa62919e3ea3c96b78c707922291e SHA-1: c0f390713826778f4e2f3591ffa518a756465da3 SHA-256: d59eb4aa646dce5ed2861e141c339a78f5c12e7709927b9b0cbf1bec6c7fed2f
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=amplify+science+microbiome+answer+key'. This indicates a social engineering lure, likely to direct users to malicious content or phishing pages. The document also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify domains hosting PDF files, suggesting an attempt to manipulate search engine results or distribute content. 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=amplify+science+microbiome+answer+key
    • http://files.rockytophearts.com/uploads/1/3/0/9/130969497/gesozebugige-fusanesar-rerudi-denuzolebapebu.pdf
    • http://files.jolynneharenza.com/uploads/1/3/0/7/130738993/a3bb8e50b8d86f.pdf
    • http://files.a-aon.com/uploads/1/3/1/4/131453256/461611.pdf
    • https://cdn.shopify.com/s/files/1/0447/9975/4397/files/makro_liquor_specials_2020.pdf
    • https://cdn.shopify.com/s/files/1/0435/8956/6623/files/boards_and_beyond_checklist.pdf
    • https://cdn.shopify.com/s/files/1/0434/6265/6152/files/31281838434.pdf
    • https://cdn.shopify.com/s/files/1/0427/8288/4006/files/59180220325.pdf
    • https://cdn.shopify.com/s/files/1/0432/2479/3245/files/vujidovodefedoraxuwelu.pdf
    • https://cdn.shopify.com/s/files/1/0429/6677/8009/files/double_digit_addition_and_subtraction_coloring_worksheets.pdf
    • https://cdn.shopify.com/s/files/1/0429/6795/7658/files/89113155366.pdf
    • https://cdn.shopify.com/s/files/1/0437/6051/7274/files/don_omar_dale_on_dale.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_off0000492e.bin
ef01a7a0a9f36ef1dd70015921b39114617aba7fbfe021784ae2aba2805c0e6e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x492E 5548 bytes
font_01_sfnt_off00005c06.bin
80a67303164d6b4e05c3016e52280487b217de6526b0cfe2710dc02ecefac15f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C06 9072 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.