Malicious PDF — malware analysis report

Static analysis result for SHA-256 ecb7084977df727a…

MALICIOUS

PDF

47.9 KB Created: 2020-07-23 03:28:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 60204f8f7de903fc40972676a9f4a541 SHA-1: 6b888e1a15eba93b993689e2163f595b954dc11d SHA-256: ecb7084977df727aefc6ccce3389e06443e400debbd9b36db08309d96c2572bb
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, many pointing to Shopify domains, which is indicative of a link farm used for SEO poisoning or to obscure malicious redirects. One critical heuristic identified a direct link to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'banking related terms pdf', suggesting a lure to trick users into clicking the malicious link. The presence of multiple PDF links and a malicious redirector link strongly suggests an attempt to lead the user to a malicious site.

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/wb?keyword=full%20form%20of%20banking%20related%20terms%20pdf
    • http://files.tequilatoo.com/uploads/1/3/0/8/130873839/wuguvovete-wezogote-buzaxusu.pdf
    • http://files.mollymurraybirthdoula.com/uploads/1/3/1/4/131437376/8027104.pdf
    • http://files.charitytrainingservices.com/uploads/1/3/2/7/132740619/wukowalimirim.pdf
    • http://files.charitytr
    • https://cdn.shopify.com/s/files/1/0434/5564/3813/files/beduxujuvimokexirap.pdf
    • https://cdn.shopify.com/s/files/1/0429/8987/9445/files/tebenubirumomimejasud.pdf
    • https://cdn.shopify.com/s/files/1/0433/3728/5797/files/51093519451.pdf
    • https://cdn.shopify.com/s/files/1/0437/3191/0821/files/fogigaterafebepagono.pdf
    • https://cdn.shopify.com/s/files/1/0428/8957/6601/files/41487282440.pdf
    • https://xivatuzivo.files.wordpress.com/2020/06/sejerowivimuxulanakepan.pdf
    • https://zifenopi.files.wordpress.com/2020/06/bakegebibakajire.pdf
    • https://wudosuwan.files.wordpress.com/2020/07/vomupotadexakevekum.pdf
    • https://jutirupejiba.files.wordpress.com/2020/07/nenixon.pdf
    • https://cdn.shopify.com/s/files/1/0432/8462/7616/files/nilaxefawupepejepes.pdf
    • https://cdn.shopify.com/s/files/1/0436/2131/8818/files/lagorexebifarapewutusiw.pdf
    • https://cdn.shopify.com/s/files/1/0432/7365/0334/files/19978582898.pdf
    • https://cdn.shopify.com/s/files/1/0430/1701/1353/files/69433921109.pdf
    • https://cdn.shopify.com/s/files/1/0436/4291/2926/files/gemitexizolozon.pdf
    • https://cdn.shopify.com/s/files/1/0427/6856/4380/files/10096876781.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_off00007d43.bin
7f1051a50749493e4ba29508af203a6e7a4bcc105786a69f16728db07d6332e3
pdf-font-stream PDF embedded font (sfnt) at offset 0x7D43 5404 bytes
font_01_sfnt_off00008f84.bin
d03d4832b05cf74bdcd9ff28e9c048932bc88af6671533495415d6c529df8d19
pdf-font-stream PDF embedded font (sfnt) at offset 0x8F84 10116 bytes