Malicious PDF — malware analysis report

Static analysis result for SHA-256 9421fa37c8a63d37…

MALICIOUS

PDF

45.9 KB Created: 2020-08-06 11:16:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4ec1cc90b21810835bcdb4a487092b60 SHA-1: 2f14c809a0eb1acaa4b15bb286752380cc8d256d SHA-256: 9421fa37c8a63d371f01ea3ad0be4d61d05a825e525132a1242aea862756b497
120 Risk Score

Malware Insights

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

The PDF file contains a link farm and a direct link to a known malicious redirector. The document body, though corrupted, contains text that appears to be a lure for a 'Portway 2 stove manual'. The embedded URLs suggest a phishing or redirection campaign aimed at leading users to malicious content. No scripts were extracted from this sample.

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/wb?keyword=portway%202%20stove%20manual
    • http://files.adamhuckebymusic.com/uploads/1/3/0/9/130969385/290be76b07690d4.pdf
    • http://files.foreverhandling.com/uploads/1/3/0/7/130740142/pimoxan_kifobafof_sotizefapo_xosobeze.pdf
    • http://files.clearcreekwatershedcoalition.org/uploads/1/3/0/7/130739570/5269394.pdf
    • http://rojun.carlyturro.com/uploads/1/3/1/8/131857920/momotobepibal.pdf
    • http://lizov.dyw.scot/uploads/1/3/1/0/131070450/1155a502b1.pdf
    • https://cdn.shopify.com/s/files/1/0428/5313/8588/files/9433776491.pdf
    • https://cdn.shopify.com/s/files/1/0433/9436/7649/files/guxufifewaxodukubirebeb.pdf
    • https://cdn.shopify.com/s/files/1/0433/6749/7880/files/65177304147.pdf
    • https://cdn.shopify.com/s/files/1/0429/7120/1695/files/sowuwumobud.pdf
    • https://cdn.shopify.com/s/files/1/0433/3626/9983/files/61851567789.pdf
    • https://cdn.shopify.com/s/files/1/0432/5395/6766/files/calisthenics_exercises_chart.pdf
    • https://cdn.shopify.com/s/files/1/0430/6989/8909/files/89243598687.pdf
    • https://cdn.shopify.com/s/files/1/0435/4650/9461/files/foggy_day_schedule_fresno.pdf
    • https://cdn.shopify.com/s/files/1/0431/5627/5362/files/67934084387.pdf
    • https://cdn.shopify.com/s/files/1/0438/3558/8770/files/pip_reinstall_package.pdf
    • https://cdn.shopify.com/s/files/1/0431/4464/2715/files/32374082528.pdf
    • https://cdn.shopify.com/s/files/1/0432/3786/7680/files/fasemoxojexaju.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_off00007564.bin
cada2073a1f9e277906d3611696e6bacd7db1d4acef93bcbe652c51daa58c35a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7564 5216 bytes
font_01_sfnt_off00008723.bin
0b56e09b90543731c0a8b40d63eab0d242eb8f25330959e628dae3b23285fa46		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8723 10468 bytes

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