Malicious PDF — malware analysis report

Static analysis result for SHA-256 47ab18bcbead3bfc…

MALICIOUS

PDF

44.3 KB Created: 2020-09-02 04:28:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2e10b22a856b8ec2d3c7c669dda4c5c1 SHA-1: edcf581a72287108e1a4b81480f32ffadcf2fa65 SHA-256: 47ab18bcbead3bfc7861829a86b7194ee3679735940660d2233bec7aae6c6a9a
130 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL 'https://ttraff.link/pify?keyword=paper+crown+template', suggesting a lure to a potentially harmful site. The PDF_SEO_LINK_FARM heuristic also indicates a large number of external links, further supporting a malicious intent to drive traffic to external resources.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.link/pify?keyword=paper+crown+template
    • https://static.usrfiles.com/ugd/7f16bd_5c08679cce334a7ca965167483f47d41.pdf
    • https://static.usrfiles.com/ugd/11b39a_a2fc0e83fcbc40699d94fe4a2846d479.pdf
    • https://static.usrfiles.com/ugd/affaa6_a18a6f0be37f459ca322887d43cd106b.pdf
    • https://static.usrfiles.com/ugd/b8c837_baa277f25a374441b94f96ba31ad475b.pdf
    • https://static.usrfiles.com/ugd/b8c837_4a4f14071a4c426f88c4eb5238b1e70f.pdf
    • https://cdn.shopify.com/s/files/1/0448/2321/6290/files/peppa_pig_halloween_coloring_sheets.pdf
    • https://cdn.shopify.com/s/files/1/0430/4814/0949/files/rekewatewalatoximajupopab.pdf
    • https://cdn.shopify.com/s/files/1/0432/8108/8670/files/non_disclosure_agreement_example.pdf
    • https://cdn.shopify.com/s/files/1/0437/0910/4279/files/sdgs_goals.pdf
    • https://cdn.shopify.com/s/files/1/0458/5976/6425/files/monthly_home_expenses_spreadsheet.pdf
    • https://cdn.shopify.com/s/files/1/0437/4410/0506/files/waxabid.pdf
    • https://cdn.shopify.com/s/files/1/0436/4589/4816/files/kufopobumiripataraj.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/53551688275.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71061356311.pdf
    • https://cdn.shopify.com/s/files/1/0431/2026/3322/files/2309779609.pdf
    • https://cdn.shopify.com/s/files/1/0435/1829/6228/files/64381529444.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_off000070e5.bin
3d7f61ee0a5cedb6c801633479f0d90a154ddbab762a55ccef86779fb724bb7d
pdf-font-stream PDF embedded font (sfnt) at offset 0x70E5 4992 bytes
font_01_sfnt_off000081de.bin
27fdd61b3650dd6dc03af84c1d995b120bffec941e7a16be84e089d5950eec0e
pdf-font-stream PDF embedded font (sfnt) at offset 0x81DE 10044 bytes