Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce36afdbeb588b6e…

MALICIOUS

PDF

43.1 KB Created: 2020-08-26 15:03:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 907ca559fb70deee0abae77b178716d8 SHA-1: 66b72db30be8a8e1b362f4059c10f3805ce88142 SHA-256: ce36afdbeb588b6e2a5bd7a040a1f2b4b83e45cd661faff5b8c702077e95b4fd
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.cc). The document body, though partially corrupted, contains text related to 'how to create wealth investing in re' and the malicious URL, suggesting a lure to a scam or phishing site. The heuristic firings confirm the presence of a malicious redirector link and a link farm within the PDF.

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=how+to+create+wealth+investing+in+re
    • http://files.kinshipbarberlounge.com/uploads/1/3/1/6/131606435/gewuxojiwixipomo.pdf
    • http://files.vegasvowsforfree.com/uploads/1/3/0/7/130776263/zatizex-wekomol-zomizekadapu.pdf
    • http://files.countryeleganceplacerville.com/uploads/1/3/2/7/132740339/satifitokux.pdf
    • http://dotodum.britemoonmarketing.com/uploads/1/3/1/3/131379598/982a65e742.pdf
    • http://fawikum.glenfieldmethodistchurch.org/uploads/1/3/2/7/132710712/9535879.pdf
    • https://cdn.shopify.com/s/files/1/0430/8025/3593/files/zunajabileb.pdf
    • https://cdn.shopify.com/s/files/1/0429/7241/4106/files/37712840512.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/budazasinopuxa.pdf
    • https://cdn.shopify.com/s/files/1/0439/2812/5595/files/30321796259.pdf
    • https://cdn.shopify.com/s/files/1/0437/7221/5458/files/2018_tamil_hd_movies_websites.pdf
    • https://cdn.shopify.com/s/files/1/0430/7258/5888/files/59260061080.pdf
    • https://cdn.shopify.com/s/files/1/0428/3452/6375/files/classification_of_bacteria_according_to_morphology.pdf
    • https://cdn.shopify.com/s/files/1/0429/0406/0071/files/30271629758.pdf
    • https://cdn.shopify.com/s/files/1/0434/0318/2243/files/xusotamumawitataxiz.pdf
    • https://cdn.shopify.com/s/files/1/0437/2656/9633/files/gofezel.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_off00006afe.bin
3025d1e1fc3dd19494cad8d5be4fbe07e3527d2735768ff97658efa3a38a36aa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AFE 5172 bytes
font_01_sfnt_off00007ca1.bin
52fa23927f85813e410af0c5c31d9a4bc0bc9e6788364e42c40e068ef4a1437f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CA1 10224 bytes

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