Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee699a62c3e59359…

MALICIOUS

PDF

42.9 KB Created: 2020-08-23 01:15:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b550c51aff44544aea49c02ed4ef6a6b SHA-1: f9f6cbfe783deb9774d00e012607907cab8c9528 SHA-256: ee699a62c3e59359deca7dfecdd61ab71d2b8402b60b27fb0732fe67ca1f96e5
150 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link, identified as 'https://ttraff.cc/pify?keyword=marketing+plan+ppt+free+template', which is designed to lure users into downloading further malicious content. The document body and heuristics indicate a deceptive lure related to free templates, aiming to exploit user trust. The presence of numerous external links, many pointing to Shopify, suggests a link farm or SEO manipulation tactic to increase visibility and traffic to malicious sites.

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=marketing+plan+ppt+free+template
    • http://files.sweetchairendipity.com/uploads/1/3/1/3/131398253/kixifolewe-denud.pdf
    • https://cdn.shopify.com/s/files/1/0429/2601/4630/files/9897428216.pdf
    • https://cdn.shopify.com/s/files/1/0437/7876/9045/files/star_wars_complete_locations.pdf
    • https://cdn.shopify.com/s/files/1/0434/5639/7464/files/42312919231.pdf
    • https://cdn.shopify.com/s/files/1/0430/8362/8708/files/cardboard_castle_template.pdf
    • https://cdn.shopify.com/s/files/1/0433/5517/7109/files/curso_riesgos_laborales.pdf
    • https://cdn.shopify.com/s/files/1/0428/5523/5740/files/kandungan_mol_bonggol_pisang.pdf
    • https://cdn.shopify.com/s/files/1/0432/4232/4125/files/ch_runners_yammering.pdf
    • https://cdn.shopify.com/s/files/1/0432/4343/8244/files/100_canciones_y_acordes_de_guitarra_gratis.pdf
    • https://cdn.shopify.com/s/files/1/0432/4366/7616/files/armenian_language_grammar.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_off00006b4f.bin
47067d67f01896fb71e914bedea61cbf3fc8904ee4354bf2bbc4ecbda60584b0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B4F 5112 bytes
font_01_sfnt_off00007cad.bin
047cc58be71579d2a65a70b2eb98e8dd5fcf6069b62b4f8f9c201faff4db05c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CAD 10032 bytes

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