Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b8757526efea811…

MALICIOUS

PDF

48.7 KB Created: 2020-08-21 11:58:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 59ee6bd8991c11d4f599d623b372e363 SHA-1: 000bb2e495eb6bbb3d016ac1ee7dd8420d874eba SHA-256: 9b8757526efea81143007075fc495dcff96b0835619e5d39349185595f3a2701
160 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link and a link farm, indicating a social engineering attempt. The document body explicitly mentions 'Admin login page template in html' and includes a URL that aligns with this lure. The presence of numerous external links, many hosted on cdn.shopify.com, suggests an attempt to distribute content or redirect users to malicious sites. The primary malicious URL identified is https://ttraff.com/pify?keyword=admin+login+page+template+in+html.

Heuristics 4

  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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.com/pify?keyword=admin+login+page+template+in+html
    • http://files.champaigncentralc3.org/uploads/1/3/2/8/132814589/jovugefizago-luxevugize-jiminugifesos.pdf
    • http://files.drvermander.com/uploads/1/3/1/6/131637553/sogupodaj.pdf
    • http://vijij.cprassociatesinc.com/uploads/1/3/1/6/131606227/9507776.pdf
    • http://files.quiteabite.com/uploads/1/3/1/8/131856626/rewanib_pelusefejetip.pdf
    • https://cdn.shopify.com/s/files/1/0437/9593/9488/files/mete_kilic_usc_google_scholar.pdf
    • https://cdn.shopify.com/s/files/1/0434/6006/7480/files/cerfa_13750_1.pdf
    • https://cdn.shopify.com/s/files/1/0431/2032/8853/files/87659391509.pdf
    • https://cdn.shopify.com/s/files/1/0432/7276/5598/files/42754236869.pdf
    • https://cdn.shopify.com/s/files/1/0429/0671/4268/files/56067449633.pdf
    • https://cdn.shopify.com/s/files/1/0435/0250/2054/files/37526363421.pdf
    • https://cdn.shopify.com/s/files/1/0434/9997/8904/files/goguzijo.pdf
    • https://cdn.shopify.com/s/files/1/0432/4599/4146/files/40916369866.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_off0000813b.bin
97d6cc28688fb76b7a35528e676d176dfbbe5840597f42c1a1ccfa70bab79982		 pdf-font-stream PDF embedded font (sfnt) at offset 0x813B 5088 bytes
font_01_sfnt_off0000925d.bin
3fe9d2c640c259a041228acc2906ed87143846253c2cfae251d0ca91882208ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x925D 10392 bytes

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