Malicious PDF — malware analysis report

Static analysis result for SHA-256 89cd5293d6514b8c…

MALICIOUS

PDF

35.6 KB Created: 2020-09-10 23:10:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 65dc790c5dca25b7d551a4ceaabaf7b1 SHA-1: e863984ac383b5e46261acaef44999feb3e49262 SHA-256: 89cd5293d6514b8c0a4030eb11556d02fd5e96c3f954df121e75b4692137d0bb
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with a critical heuristic firing indicating a PDF link to known malicious redirector infrastructure. The document body and embedded links suggest a SEO link farm or redirection tactic. The primary malicious URL identified is https://ttraff.club/wix?keyword=om+namah+shivaya+meditation+music.

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.club/wix?keyword=om+namah+shivaya+meditation+music
    • http://fosopoku.makeupjuli.com/uploads/1/3/2/7/132710712/8bb7ebd3f.pdf
    • https://cdn.shopify.com/s/files/1/0427/3415/7991/files/wigesapafufakiwesux.pdf
    • https://cdn.shopify.com/s/files/1/0449/0136/7963/files/wowagepikalopunosaboru.pdf
    • https://cdn.shopify.com/s/files/1/0435/4975/3507/files/67358307616.pdf
    • https://cdn.shopify.com/s/files/1/0428/3567/3254/files/ano_ang_cuneiform_tablet_tagalog.pdf
    • https://static.usrfiles.com/ugd/6f7357_e5faf0de67a240cbb7c13bdec0af6553.pdf
    • https://static.usrfiles.com/ugd/9734e7_0a1ef46cddf74aed8a9a212e2ff22f8d.pdf
    • https://cdn.shopify.com/s/files/1/0432/9845/5705/files/genetic_code_lecture_notes.pdf
    • https://cdn.shopify.com/s/files/1/0463/3038/0450/files/homme_au_bain_streaming_megavideo.pdf
    • https://cdn.shopify.com/s/files/1/0432/1699/4461/files/famous_painters_fight_list_answers.pdf
    • https://cdn.shopify.com/s/files/1/0433/9322/0758/files/40974839229.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_off000045c1.bin
1b77cd6fb60954b1906fcb3217b6a2fc67fbbf3ed58a10d3a339b75de52a2aa8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x45C1 5240 bytes
font_01_sfnt_off00005775.bin
e2812122f15221f24dde8b1ec0a7168bdf8daa3dd212e3ad01a7ba08e5a23831		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5775 12768 bytes

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