Malicious PDF — malware analysis report

Static analysis result for SHA-256 959abfb393d9d65d…

MALICIOUS

PDF

62.9 KB Created: 2020-08-30 23:50:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3db55ffc768b4a3a02ca402eac843c1e SHA-1: b96df125f9b93ca14273afcc644e3f1d2c372ee4 SHA-256: 959abfb393d9d65d9003408f83568ecc4c825f30026e1ede53e3c0cb0a386d32
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/wix?keyword=naruto+ultimate+ninja+psp+games'. This indicates an attempt to direct the user to a malicious site, likely for phishing or malware distribution. The document body, though heavily obfuscated, also contains this URL, reinforcing the malicious intent. The presence of numerous other PDF links, while many resolve to benign Shopify URLs, suggests a link farm tactic to obscure the primary malicious destination.

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/wix?keyword=naruto+ultimate+ninja+psp+games
    • https://cdn.shopify.com/s/files/1/0433/4262/6984/files/92824891861.pdf
    • https://cdn.shopify.com/s/files/1/0433/9276/2006/files/46840905896.pdf
    • https://cdn.shopify.com/s/files/1/0430/3018/4098/files/jcameron-_key._asc.pdf
    • https://cdn.shopify.com/s/files/1/0431/8858/4605/files/carmaker_tutorial.pdf
    • https://cdn.shopify.com/s/files/1/0439/1780/3675/files/99910275719.pdf
    • https://cdn.shopify.com/s/files/1/0437/8483/1125/files/36500284584.pdf
    • https://cdn.shopify.com/s/files/1/0430/9424/5525/files/elementor_template_json_file.pdf
    • https://cdn.shopify.com/s/files/1/0431/1020/3556/files/16627131568.pdf
    • https://cdn.shopify.com/s/files/1/0431/0306/0128/files/oceanofpdf_website_2020.pdf
    • https://cdn.shopify.com/s/files/1/0429/1405/4300/files/el_axolotl.pdf
    • https://cdn.shopify.com/s/files/1/0428/9436/0735/files/dovexavo.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/1/0433/4262/

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000090af.bin
b2f1a95fd280787a06a5bba4cf98497491ac24515ba7106a960f7c1a9e754703		 pdf-font-stream PDF embedded font (sfnt) at offset 0x90AF 3904 bytes
font_01_sfnt_off00009e8a.bin
e6f76fd91dabc3f49b406c9441db26b7c724669f77c15ae3592ca6eadbf286da		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9E8A 5064 bytes
font_02_sfnt_off0000afb4.bin
e009dfa534b5b438e8332f7271ea9f617368ffe4eaffdd652e164090a635f706		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAFB4 15800 bytes
font_03_sfnt_off0000e01e.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE01E 4324 bytes

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