Malicious PDF — malware analysis report

Static analysis result for SHA-256 563f31f733de8202…

MALICIOUS

PDF

39.0 KB Created: 2020-08-21 15:09:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 89d8cfbc48424a0afd58715d0416f077 SHA-1: b9dd04b9990a0a653536183be4052b0fde233722 SHA-256: 563f31f733de820271f9ff4b359c8f53b914a47d2cf7a74f6d6cce021ff54f67
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a mass of external links, many pointing to benign Shopify domains, but one critical link directs to a known malicious redirector at 'https://ttraff.cc/pify?keyword=mesh+topology+pdf'. This suggests the document is designed to lead users to malicious content through a series of redirects. No scripts were extracted, limiting further analysis of the payload delivery mechanism.

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=mesh+topology+pdf
    • http://files.alyssagrossman.com/uploads/1/3/1/3/131378990/zenote.pdf
    • http://jorosef.anti-agingbyrjxjelly.com/uploads/1/3/2/3/132303354/8686563.pdf
    • https://cdn.shopify.com/s/files/1/0428/2833/3219/files/labefezenorowawozutekemuv.pdf
    • https://cdn.shopify.com/s/files/1/0431/7092/2652/files/fafulubiwuxurerinobu.pdf
    • https://cdn.shopify.com/s/files/1/0428/2961/1171/files/juvulojozopiwefugaxukub.pdf
    • https://cdn.shopify.com/s/files/1/0429/0274/9347/files/campbell_biology_11th_edition_online_free.pdf
    • https://cdn.shopify.com/s/files/1/0435/3835/0231/files/bless_the_lord_oh_my_soul_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0432/6499/9588/files/kopadito.pdf
    • https://cdn.shopify.com/s/files/1/0430/1327/5811/files/63290808069.pdf
    • https://cdn.shopify.com/s/files/1/0429/9191/1066/files/64301272511.pdf
    • https://cdn.shopify.com/s/files/1/0432/4186/5384/files/engineering_profession_wow_classic_guide.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_off00005bf3.bin
05b6f9886c9af9dc02675540e437a14a1a54ab3c02b0475dfd8398ae149c8bcb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BF3 5104 bytes
font_01_sfnt_off00006d6a.bin
65ca77634781758db6c6ca991d9b758145e568bdba84fcd7c3636ad1a0a2a2cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D6A 10104 bytes

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