Malicious PDF — malware analysis report

Static analysis result for SHA-256 393c501cdb7f7baf…

MALICIOUS

PDF

44.4 KB Created: 2020-07-16 23:34:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 44535afdb7a9fe70c8e4ca1bcb47fabe SHA-1: 335c6c003a3381bff4bfe3e613cbd6cc141f342d SHA-256: 393c501cdb7f7baf0483d3afacbc8a341ab707a170cfb1cbd7f138927518472e
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One critical heuristic indicates a malicious redirector link to 'ttraff.cc', suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains text related to 'Color pantone 2019 pdf', likely a lure to attract victims.

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=color%20pantone%202019%20pdf
    • http://files.isabellegiroux.net/uploads/1/3/2/6/132681566/wopote-kusenawir-zogasofomira.pdf
    • http://files.buypinksugar.com/uploads/1/3/1/3/131384286/limatat.pdf
    • http://files.noodlefactoryjazz.com/uploads/1/3/0/7/130739522/75bf8d075839f1.pdf
    • http://files.rebeccalaplaca.com/uploads/1/3/0/8/130874378/4b6c4ad18a4e02.pdf
    • http://files.zacharyhoh.com/uploads/1/3/0/7/130739169/8255608.pdf
    • http://files.saluvetinnova.com/uploads/1/3/0/7/130739802/b3222d5a4.pdf
    • http://files.ericgrantowens.com/uploads/1/3/1/4/131438439/43436.pdf
    • http://files.nicolecheslock.com/uploads/1/3/1/0/131070911/2842101.pdf
    • https://zonaselid117862540.files.wordpress.com/2020/07/72301736322.pdf
    • https://jaxexosuti.files.wordpress.com/2020/07/vedinowajevobov.pdf
    • https://rawatereg.files.wordpress.com/2020/06/86557603263.pdf
    • https://dojuzemis.files.wordpress.com/2020/07/kefetibis.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/21096031872.pdf
    • https://cdn.shopify.com/s/files/1/0434/0311/6709/files/39620446091.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fadanamimurusekebunom.pdf
    • https://cdn.shopify.com/s/files/1/0430/1701/1353/files/tififunitedomor.pdf
    • https://cdn.shopify.com/s/files/1/0431/6836/6760/files/33254348648.pdf
    • https://cdn.shopify.com/s/files/1/0433/2827/4587/files/rodefezup.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mufuma.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_off00006b8b.bin
3691cc11eb880fbc73852971aff6c8689b1f579b44c2479e01dc3cac5e013b26		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B8B 5100 bytes
font_01_sfnt_off00007cf1.bin
5a5db8587d066942d826696c4bcc34644d7b213c9afb562eb55499bb414195d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CF1 12188 bytes

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