Malicious PDF — malware analysis report

Static analysis result for SHA-256 501d9c1b9fc327b8…

MALICIOUS

PDF

39.3 KB Created: 2020-08-20 19:06:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 78fca36e3c1cf578e3c7a220da96ac9d SHA-1: 69c19669db7bac68392830739a7eccbb124a8971 SHA-256: 501d9c1b9fc327b893c1e6a78b9a2d43091b75e69369bce376bb52bac3c9e7b7
120 Risk Score

Malware Insights

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

The PDF file contains a deceptive document body masquerading as a weather report, which is a common lure. It embeds numerous links, with the primary one identified as a malicious redirector. This redirector leads to a link farm hosted on Shopify, which in turn points to other PDF files, suggesting a multi-stage redirection or content delivery mechanism. The presence of a malicious redirector and a link farm indicates an attempt to obscure the final malicious destination and potentially distribute further malware or phishing 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.cc/pify?keyword=weather+report+mumbai+august+2019
    • http://files.videopeople360.com/uploads/1/3/1/8/131856285/lokasewelox.pdf
    • http://remazelef.bearbugmedia.com/uploads/1/3/2/7/132712207/lilogiz.pdf
    • https://cdn.shopify.com/s/files/1/0433/1218/5499/files/roloxedolaraborozumelegov.pdf
    • https://cdn.shopify.com/s/files/1/0434/1425/7815/files/22209240625.pdf
    • https://cdn.shopify.com/s/files/1/0446/6461/9171/files/how_to_update_google_chrome.pdf
    • https://cdn.shopify.com/s/files/1/0429/3450/1535/files/12455869123.pdf
    • https://cdn.shopify.com/s/files/1/0430/5436/6877/files/1842191166.pdf
    • https://cdn.shopify.com/s/files/1/0440/2623/2997/files/feguduzafoxeme.pdf
    • https://cdn.shopify.com/s/files/1/0431/4877/1488/files/most_of_us_wiz.pdf
    • https://cdn.shopify.com/s/files/1/0432/0329/7438/files/xifipukibaginileba.pdf
    • https://cdn.shopify.com/s/files/1/0429/3437/0470/files/82033799102.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_off00005a64.bin
07300b03a73082ecdad287f731e80b60e0d52fe7eec8025c09af746e9f47d586		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A64 5836 bytes
font_01_sfnt_off00006e31.bin
feadbd40a06d8fe4f69eeeedc9e17d18aa694c4e4d079d587e0382317c23ef4c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E31 10180 bytes

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