Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d5a94a4db4f3569…

MALICIOUS

PDF

40.3 KB Created: 2020-08-19 00:32:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 598c14a28b56fb04a207825f170e0616 SHA-1: 0590ec3f75cb053be67e4abe849bf8f9e0d443df SHA-256: 8d5a94a4db4f35694e10166053c1b70b742584fa3e7d924ccdb156cde0656091
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link. The document body, though heavily obfuscated, contains the same URL that leads to a known malicious redirector. This suggests the document's primary purpose is to redirect users to malicious 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.com/pify?keyword=encyclopedic+dictionary+of+exploration+geophysics+pdf
    • http://files.lovingavonlea.com/uploads/1/3/0/7/130738662/letituvabil.pdf
    • http://files.calvarycrossville.com/uploads/1/3/1/3/131398360/zekaduxoro.pdf
    • https://cdn.shopify.com/s/files/1/0428/8937/9993/files/nabh_accreditation_standards_for_hospitals.pdf
    • https://cdn.shopify.com/s/files/1/0440/6591/5045/files/annuity_formula.pdf
    • https://cdn.shopify.com/s/files/1/0436/2931/4206/files/estimating_square_root_worksheet_8th_grade.pdf
    • https://cdn.shopify.com/s/files/1/0429/1143/2857/files/posotobozo.pdf
    • https://cdn.shopify.com/s/files/1/0432/7673/0533/files/cast_bronze_bearing_design_manual.pdf
    • https://cdn.shopify.com/s/files/1/0448/6791/1842/files/conjunctions_list_english_spanish.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51994241049.pdf
    • https://cdn.shopify.com/s/files/1/0432/0873/6927/files/dezelobatanoxodute.pdf
    • https://cdn.shopify.com/s/files/1/0429/4829/6857/files/waxewimufimalo.pdf
    • https://cdn.shopify.com/s/files/1/0431/2521/1298/files/70516553700.pdf
    • https://cdn.shopify.com/s/files/1/0434/3876/8284/files/convert_to_word_free_download_cnet.pdf
    • https://cdn.shopify.com/s/files/1/0430/6223/1201/files/24060527618.pdf
    • https://cdn.shopify.com/s/files/1/0430/8362/8708/files/allergic_rhinitis_guidelines.pdf
    • https://cdn.shopify.com/s/files/1/0434/2913/4487/files/vesigojipevegaf.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/
    • https://cdn.shopify.com/s/files/1/0430/622

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005db4.bin
740f001f718cf4828b6b46b15d2ccf37d5ecf973ae636bbf63bab559bf48d13e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DB4 5544 bytes
font_01_sfnt_off00007091.bin
022ab81b814b32273d2c55dbb481c33503a7e7d13a5bd36124c254379826dcfb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7091 10316 bytes

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