Malicious PDF — malware analysis report

Static analysis result for SHA-256 be323c5ddac8629c…

MALICIOUS

PDF

34.7 KB Created: 2020-09-10 00:04:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4775b16c0b63fd2457303584c21dddfe SHA-1: 1ce4014487c2173425a2d7a2c5ded846ea73d548 SHA-256: be323c5ddac8629c84e2baff39daa7b2bc0dbc6508d7273f69e4e2488d103506
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily corrupted, contains text related to 'animal crossing nds rom deutsch' and the malicious URL, suggesting a lure for users seeking game ROMs. The primary malicious URL is https://ttraff.club/wix?keyword=animal+crossing+nds+rom+deutsch, which is likely used to redirect users to further 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.club/wix?keyword=animal+crossing+nds+rom+deutsch
    • http://files.paintballprops.com/uploads/1/3/0/7/130740213/nofufivonavuramaju.pdf
    • http://nujataze.finddani.org/uploads/1/3/1/4/131437254/naxepumabuwewi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9570/4227/files/57951596719.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/totavari.pdf
    • https://cdn.shopify.com/s/files/1/0434/2389/1618/files/advanced_english_vocabulary_book.pdf
    • https://cdn.shopify.com/s/files/1/0435/9146/7176/files/turedobulotimotunati.pdf
    • https://cdn.shopify.com/s/files/1/0432/5202/3458/files/rolakuvilulixeroxakox.pdf
    • https://cdn.shopify.com/s/files/1/0432/1771/5361/files/download_mortal_kombat_trilogy.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zitadeduwifugegumav.pdf
    • https://cdn.shopify.com/s/files/1/0435/7141/3160/files/chemistry_all_compound_formula.pdf
    • https://cdn.shopify.com/s/files/1/0433/5638/9528/files/fejiladapoze.pdf
    • https://cdn.shopify.com/s/files/1/0437/6294/2101/files/44088125207.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_off000047e7.bin
49c930947675883463d6525ac5b06db6bfc8d4ff70547324c862595a30ff02d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x47E7 5340 bytes
font_01_sfnt_off000059d8.bin
ea42792c70472a8111c7e6054729a0db96a29a0f31129398a39b1509a1eb5a84		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59D8 11160 bytes

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