Malicious PDF — malware analysis report

Static analysis result for SHA-256 21c6895a9ef11d73…

MALICIOUS

PDF

56.1 KB Created: 2020-08-26 23:47:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 595d299b4b943fc7a5193deb880a42a3 SHA-1: 7a45eada28a46c7185420518a8b5685872b15888 SHA-256: 21c6895a9ef11d73c2c9112dd020d24a56493c90f8efdbf0b0597d65404376fc
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, which points to 'https://ttraff.cc/pify?keyword=disney+imagineering+roller+coaster+r'. This URL is part of a link farm, as indicated by another heuristic. The document body also contains this URL, suggesting the primary intent is to redirect users to potentially malicious content or a phishing page.

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=disney+imagineering+roller+coaster+r
    • http://files.gretchendriscoll.com/uploads/1/3/0/7/130775516/siwumal_rajajatot_sidejumesuj.pdf
    • http://files.staceyweckstein.biz/uploads/1/3/2/8/132815872/zinegi_gigidozipa.pdf
    • http://xewexog.educationalpsychologisttherapy.com/uploads/1/3/0/8/130813364/9f0456e1a46d.pdf
    • https://cdn.shopify.com/s/files/1/0431/6535/2102/files/different_aspects_of_development.pdf
    • https://cdn.shopify.com/s/files/1/0432/5664/3739/files/moruvefodewuwi.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/55166802931.pdf
    • https://cdn.shopify.com/s/files/1/0436/2380/9187/files/riwutenojivag.pdf
    • https://cdn.shopify.com/s/files/1/0429/1274/3591/files/21072752757.pdf
    • https://cdn.shopify.com/s/files/1/0430/4509/3533/files/33297770123.pdf
    • https://cdn.shopify.com/s/files/1/0461/7948/3811/files/go_albury_tv_guide.pdf
    • https://cdn.shopify.com/s/files/1/0437/4151/1834/files/vewevofidubotigidizupus.pdf
    • https://cdn.shopify.com/s/files/1/0435/3546/6655/files/animals_coloring_sheets.pdf
    • https://cdn.shopify.com/s/files/1/0433/0972/7912/files/bawixukepegafunepagova.pdf
    • https://cdn.shopify.com/s/files/1/0432/0067/6003/files/82927587677.pdf
    • https://cdn.shopify.com/s/files/1/0432/8649/5397/files/duvazapif.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_off00009d62.bin
b4735747162df93ff582af0ecc275cf2a5367580858a2d93cc4c12cfa95ebe92		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9D62 5220 bytes
font_01_sfnt_off0000af11.bin
d1acf7f02e5f5e209dcc3b5bcd5e21a32d86d5bc9dbaeadb9a706f073ffdae40		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAF11 10684 bytes

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