Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e1cb725ed46587a…

MALICIOUS

PDF

43.3 KB Created: 2020-08-14 02:32:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: adb2253cf237f6a60289df43269026df SHA-1: 35bb731d85934e9ccf13775b78c87dd90d5e8e43 SHA-256: 2e1cb725ed46587a05ca0478a417296104b1e9748aa4ea87e65e86c37bd9c7d4
150 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=hilding+anders+annual+report+2018'. This indicates the document is designed to redirect users to malicious infrastructure, likely for phishing or malware distribution. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to obscure the malicious redirector. No scripts were extracted from this sample.

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=hilding+anders+annual+report+2018
    • http://files.gameovertattoo.net/uploads/1/3/0/7/130775025/rugadagimajobo.pdf
    • http://files.kimcarmona.com/uploads/1/3/2/6/132681409/6cc09766682b.pdf
    • http://files.dancinggoatsmilksoap.com/uploads/1/3/0/7/130775840/fc4be25.pdf
    • https://cdn.shopify.com/s/files/1/0429/6556/5589/files/guwemojitalemev.pdf
    • https://cdn.shopify.com/s/files/1/0432/7315/8821/files/lurizatike.pdf
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/xolamutivakinowel.pdf
    • https://cdn.shopify.com/s/files/1/0428/3518/1724/files/youth_410_shotguns_walmart.pdf
    • https://cdn.shopify.com/s/files/1/0445/4576/9636/files/comentario_cantiga_de_amigo.pdf
    • https://cdn.shopify.com/s/files/1/0433/7752/4888/files/35709887244.pdf
    • https://cdn.shopify.com/s/files/1/0427/9812/1119/files/27672511558.pdf
    • https://cdn.shopify.com/s/files/1/0431/5044/2660/files/din_iso_1101_english.pdf
    • https://cdn.shopify.com/s/files/1/0439/4231/4152/files/past_modals_for_possibility_and_probability_exercises.pdf
    • https://cdn.shopify.com/s/files/1/0429/6291/1391/files/pojukobamabajizubazif.pdf
    • https://cdn.shopify.com/s/files/1/0435/7062/6723/files/business_management_ebook_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/2371/9845/files/48268713949.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_off00006ad8.bin
75de74892cac39add7037d019c01a348ebd86f8988bdef1f85cb1f308c89ec05		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AD8 5608 bytes
font_01_sfnt_off00007dea.bin
49d8e016d7ed476abc73a1b7454078b89520c19bef074235989dd4245a067dcc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7DEA 10116 bytes

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