Malicious PDF — malware analysis report

Static analysis result for SHA-256 f466850ba461531a…

MALICIOUS

PDF

46.7 KB Created: 2020-09-20 17:43:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c435a70394b4b5e677c1e6adbc5c108 SHA-1: 912add0aa3c4d138a9fd753bf1700d71279e084d SHA-256: f466850ba461531ab1d6cf6bc34d5ef2ea204a30361666e3f8e6fb82f7e9daa4
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, identified as a link farm. One of these links, 'https://ttraff.club/wix?keyword=the+noble+approach+pdf', is flagged as a malicious redirector. This suggests the document is designed to lure users to malicious websites, likely for phishing or malware distribution. The presence of numerous shopify.com links, while individually benign, contributes to the link farm characteristic.

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.club/wix?keyword=the+noble+approach+pdf
    • https://cdn.shopify.com/s/files/1/0482/5694/2242/files/blackwell_companion.pdf
    • https://cdn.shopify.com/s/files/1/0429/4275/9071/files/tabadariraroxafegilo.pdf
    • https://cdn.shopify.com/s/files/1/0437/1546/1285/files/adjetivos_para_describir_objetos_en.pdf
    • https://cdn.shopify.com/s/files/1/0439/1059/4728/files/diablo_2_lord_of_destruction_cd_keys.pdf
    • https://cdn.shopify.com/s/files/1/0431/9795/6258/files/xudegituvimezuvepazitekox.pdf
    • https://cdn.shopify.com/s/files/1/0432/2010/7424/files/nogozedilijageziziponede.pdf
    • https://cdn.shopify.com/s/files/1/0429/1022/0447/files/mazeximo.pdf
    • https://cdn.shopify.com/s/files/1/0433/3407/4523/files/equifax_credit_report_free_australia.pdf
    • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/doneposunenipelux.pdf
    • https://cdn.shopify.com/s/files/1/0437/7070/8129/files/41301075541.pdf
    • https://cdn.shopify.com/s/files/1/0458/5596/5337/files/zusuxojupikuxemabumatabab.pdf
    • https://cdn.shopify.com/s/files/1/0431/9546/5892/files/migekifugag.pdf
    • https://cdn.shopify.com/s/files/1/0441/0084/5720/files/root_zenfone_apk_1.4.4.pdf
    • https://cdn.shopify.com/s/files/1/0432/6778/4864/files/barangaroo_delivery_authority_annual_report.pdf
    • https://cdn.shopify.com/s/files/1/0438/8365/9419/files/cours_excel_2020_gratuit.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_off000076ee.bin
d2f38be957e56f8f1e7be6c84bb0fa30ba9c7317ce7fa08ebae509396b4f7b22		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76EE 5152 bytes
font_01_sfnt_off00008864.bin
7006753a1636cf335fb56d232897cb6facb84d62404e5b83e85ba29a361bf1a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8864 10656 bytes

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