Malicious PDF — malware analysis report

Static analysis result for SHA-256 36a636733010a584…

MALICIOUS

PDF

43.7 KB Created: 2020-08-03 15:19:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 74b593201e1471532a6ef27960266b98 SHA-1: 4771924370241af2cb7c9ecd2b64b7fc0831cca2 SHA-256: 36a636733010a5844830b731fb398b5f3639c75cfe422f16eb8d1f6f959be72d
120 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link pointing to 'ttraff.com', which is designed to lure users into clicking on it by presenting it as a product manual. The document also features a link farm of numerous PDF files hosted on Shopify, likely for SEO manipulation to increase visibility. The primary malicious link redirects to a site that likely hosts further malicious content or phishing pages.

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=manual%20ar%20condicionado%20delonghi%20pac%20an120
    • http://nasezuw.carolduber.com/uploads/1/3/0/7/130776262/gamoxo-zulovenu-kimadawezebe-fojiguwevine.pdf
    • http://files.littlepaperslipper.com/uploads/1/3/2/7/132740494/visutumi.pdf
    • http://files.ripmarkens.com/uploads/1/3/1/4/131407152/wujupepanazagufemilo.pdf
    • https://cdn.shopify.com/s/files/1/0432/8207/1716/files/688004729.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/viborovikumowenaben.pdf
    • https://cdn.shopify.com/s/files/1/0429/7523/2153/files/34100812021.pdf
    • https://cdn.shopify.com/s/files/1/0433/8676/5475/files/givudutasuvuxadezawom.pdf
    • https://cdn.shopify.com/s/files/1/0432/4923/8178/files/15588453795.pdf
    • https://cdn.shopify.com/s/files/1/0428/1974/8006/files/sawimebapireferib.pdf
    • https://cdn.shopify.com/s/files/1/0428/0470/7491/files/58320192926.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/womosoravitixugefiwil.pdf
    • https://cdn.shopify.com/s/files/1/0433/7342/8888/files/giriba.pdf
    • https://cdn.shopify.com/s/files/1/0427/5775/0951/files/itube_apk_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/8123/6634/files/domudugobakezafejiwoduwe.pdf
    • https://cdn.shopify.com/s/files/1/0431/5742/2240/files/88655492526.pdf
    • https://cdn.shopify.com/s/files/1/0434/2064/7576/files/bifevu.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_off000060be.bin
cebcc2a17c508f24afead28810bb0263c8b566faa6d576db8256b15cd621c04e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60BE 5488 bytes
font_01_sfnt_off00007372.bin
cf3c1db49f575a8e8c483622ac79c5b1d83bca8c15c95bbcf511b8e0230a5e94		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7372 14448 bytes

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