Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb47ebc4cb2336a3…

MALICIOUS

PDF

48.3 KB Created: 2020-09-17 00:38:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 54868abb0ef1a6ee2dd9f6e31cc20c31 SHA-1: 77c5c8713b863a7c753c36fa8084a35616812228 SHA-256: fb47ebc4cb2336a3852c6400e251342691f39d797eafce30bca89a437c7399a2
120 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, embedding numerous URLs that point to external resources. One of the embedded URLs, 'https://ttraff.me/wix?keyword=lifetime+reston+class+schedule', is identified as a malicious redirector. The presence of a large number of links suggests an attempt to distribute malicious content or conduct phishing operations by overwhelming the user with choices that ultimately lead to harmful sites.

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.me/wix?keyword=lifetime+reston+class+schedule
    • http://rojatiz.saranayoga.com/uploads/1/3/2/8/132814989/mazuxibatuk_bozoke_tiborerix_nubabibebujusun.pdf
    • http://files.athenianmuse.com/uploads/1/3/1/8/131858592/vepevikewoweduxekigi.pdf
    • http://wimifepok.prosensecrc.com/uploads/1/3/1/3/131380485/6338185.pdf
    • http://nuterer.digitalmarketingatusf.com/uploads/1/3/0/9/130969937/6bd5b.pdf
    • https://b503b7d2-8d61-4817-a60b-18cfe588ea66.filesusr.com/ugd/4d400c_0a99656c2e8d498fa4c7af4fe616844e.pdf?index=true
    • https://c6570259-b0d9-4573-b713-829de680a733.filesusr.com/ugd/a6e5e9_c33b2265e70941b68b804e15511d9746.pdf?index=true
    • https://f8b3e3f6-ee49-4644-b456-28f20539578b.filesusr.com/ugd/33ab24_6231f8dbe19a403d8c53e27f53444076.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0431/8006/4936/files/adjectives_describing_personality_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0438/9509/5464/files/8559638477.pdf
    • https://cdn.shopify.com/s/files/1/0440/7269/8006/files/2015_infiniti_qx60_review_consumer_reports.pdf
    • https://cdn.shopify.com/s/files/1/0435/6938/1539/files/sharp_aquos_43_smart_tv_manual.pdf
    • https://cdn.shopify.com/s/files/1/0430/3588/5725/files/makalah_bahaya_asap_rokok.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006b87.bin
b21dc1e79d51ffdeb8453f73c6c5cb44b12ce5375de2a34a404fd2863d87fe17		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B87 5200 bytes
font_01_sfnt_off00007d0e.bin
bc822d5c535f69ed56e597f6c212eadb89af97ac1f099654d6980eab058aee2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D0E 9936 bytes
font_02_sfnt_off00009f32.bin
fb09c764af2da29dcd1400a6d7077e59cbae054cb92185a2e15c15daf89e4388		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F32 16176 bytes

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