Malicious PDF — malware analysis report

Static analysis result for SHA-256 aab8af84d9c50b6a…

MALICIOUS

PDF

44.7 KB Created: 2020-08-20 04:20:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 42372972c5ea67d137fc95ce9f990a69 SHA-1: ffb508af417dea3fdf1d53c852f46b79a7b44805 SHA-256: aab8af84d9c50b6a944ef9861bc56bd9cef63d288bb5901ca6288933d96eae03
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF file contains a link farm and a redirector link that points to malicious infrastructure. The document body, though heavily obfuscated, contains text related to 'Action Jackson full movie' and the malicious URL, suggesting a lure for users to download content. The presence of numerous PDF links, many hosted on Shopify, indicates a link farm designed to distribute malicious content or improve SEO for malicious sites. The primary malicious URL is https://ttraff.cc/pify?keyword=action+jackson+full+movie++in+1080p.

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=action+jackson+full+movie++in+1080p
    • http://files.actdebatingunion.com/uploads/1/3/1/3/131398367/xejukinekafaz_boresopelaponi.pdf
    • http://files.buymostwantedbooks.com/uploads/1/3/1/4/131410167/loduje.pdf
    • https://cdn.shopify.com/s/files/1/0430/1930/5113/files/sajatuwaxopunigivib.pdf
    • https://cdn.shopify.com/s/files/1/0437/9151/5809/files/12198318185.pdf
    • https://cdn.shopify.com/s/files/1/0431/3504/1702/files/29254838673.pdf
    • https://cdn.shopify.com/s/files/1/0431/5008/2202/files/91742327675.pdf
    • https://cdn.shopify.com/s/files/1/0432/6014/9910/files/bhagat_singh_biography_in_english_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0435/2750/4024/files/59172073913.pdf
    • https://cdn.shopify.com/s/files/1/0427/7973/8278/files/55039164818.pdf
    • https://cdn.shopify.com/s/files/1/0433/8368/5274/files/ruduki.pdf
    • https://cdn.shopify.com/s/files/1/0428/0002/1667/files/dozetanogavokafadejuku.pdf
    • https://cdn.shopify.com/s/files/1/0433/7690/2309/files/58233736109.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
1ef2cf22185fbc929301d6d38fce033a49ad9ec7e241a0d9af34d9e3a286bba1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62D1 5640 bytes
font_01_sfnt_off00007600.bin
b2d3c9dde2e72440ff10397aab17d3641e88955a7c6ae896b467694d84e1b48d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7600 15008 bytes

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