Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e5adc6192dc00ce…

MALICIOUS

PDF

56.7 KB Created: 2020-08-21 06:18:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: aaa988e2abf0c2439074aa19c88fbb91 SHA-1: cb015a02f44c3d1415d9998e2491a665da52cb2a SHA-256: 8e5adc6192dc00ce78d21456345c152b338effdbad476e305949d1b2dc217d15
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a malicious redirector link disguised as a Mikrotik voucher template, aiming to lure users to a malicious site. The embedded URL points to 'ttraff.cc', which is flagged as a malicious redirector. The document also contains a large number of external PDF links, many hosted on Shopify, likely for SEO manipulation to improve search engine ranking for malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=mikrotik+voucher+template+html
    • http://files.amysteeleillustration.com/uploads/1/3/1/0/131070841/fekavewuzavuf_vivowaxogiwajew_tubiwokapux_begelezutope.pdf
    • https://cdn.shopi
    • https://cdn.shopify.com/s/files/1/0435/6590/8136/files/27410313743.pdf
    • https://cdn.shopify.com/s/files/1/0431/6836/6746/files/crib_mattress_sheets_reviews.pdf
    • https://cdn.shopify.com/s/files/1/0432/8757/6740/files/zikowonenefojuxigizirogi.pdf
    • https://cdn.shopify.com/s/files/1/0430/8254/7361/files/lonina.pdf
    • https://cdn.shopify.com/s/files/1/0436/6961/8841/files/60389304532.pdf
    • https://cdn.shopify.com/s/files/1/0439/0954/6136/files/46596188189.pdf
    • https://cdn.shopify.com/s/files/1/0431/8802/7555/files/merit_badge_worksheet_personal_management.pdf
    • https://cdn.shopify.com/s/files/1/0433/7709/8915/files/datiruloguveludewoloma.pdf
    • https://cdn.shopify.com/s/files/1/0434/8795/3053/files/gojatuzesuxularirise.pdf
    • https://cdn.shopify.com/s/files/1/0433/4977/0399/files/algebra_2_trig_regents_review_packet.pdf
    • https://cdn.shopify.com/s/files/1/0428/9314/8313/files/1746502296.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_off00008fb4.bin
ba83fbf3696dd2f4f10c9eb7e04d58f9bc2f27536d9c3c748da79afa53f4abc9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8FB4 5124 bytes
font_01_sfnt_off0000a10c.bin
8d452131dbacd54b2a7dae4906226268a95ab59e27431961f33bd68aa55f276d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA10C 17016 bytes

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