Malicious PDF — malware analysis report

Static analysis result for SHA-256 f02c4de8486c3704…

MALICIOUS

PDF

41.2 KB Created: 2020-08-22 23:32:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 757c3bd7364dfea5065c52ff70f5fc2f SHA-1: 019453a61f6e4453e1b26757eb86c02b58f63339 SHA-256: f02c4de8486c37045af0fb1cc81227575b15b658c92e1be6962ff265c0436e43
120 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though partially corrupted, contains text related to 'money laundering reporting officer hong kong' and the malicious URL, suggesting a lure to trick users into clicking the link. The PDF_SEO_LINK_FARM heuristic indicates the presence of multiple external links, further supporting a malicious intent to redirect users to potentially harmful content.

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.cc/pify?keyword=money+laundering+reporting+officer+hong+kong
    • http://files.jondillowcounseling.com/uploads/1/3/1/0/131070476/xavixeregexusot-punizokevad.pdf
    • https://cdn.shopify.com/s/files/1/0428/1267/0111/files/pobunedukowa.pdf
    • https://cdn.shopify.com/s/files/1/0432/4704/2728/files/27806178163.pdf
    • https://cdn.shopify.com/s/files/1/0430/1602/8309/files/behavioral_genetics_knopik.pdf
    • https://cdn.shopify.com/s/files/1/0430/5443/2410/files/33667618962.pdf
    • https://cdn.shopify.com/s/files/1/0433/7516/5594/files/50673722904.pdf
    • https://cdn.shopify.com/s/files/1/0435/4103/7207/files/welelajat.pdf
    • https://cdn.shopify.com/s/files/1/0428/2338/5247/files/bovolosumugegosinivo.pdf
    • https://cdn.shopify.com/s/files/1/0436/6965/1606/files/copy_outlook_contacts_to_excel_spreadsheet.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_off000062d1.bin
8a7f26520a13597ef5fba0a023066a847c380dfb86ba08e9ad4825dcab6fbc63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62D1 5408 bytes
font_01_sfnt_off00007547.bin
cc856dfd58ce063e5e1a7d42bd7776d9326536131f3f08698f7061da1f34b4e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7547 10256 bytes

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