Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec6d26a00aa031df…

MALICIOUS

PDF

38.5 KB Created: 2020-09-17 12:13:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fe9a32316d4fff2307f0c8427169882f SHA-1: f8257e7c419be3cf9e656e1e2ca4f3404ee9113e SHA-256: ec6d26a00aa031df0afaa378c0251b696e55f89f75119d091ac5b07898805cea
120 Risk Score

Malware Insights

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

The PDF document contains numerous links, including one pointing to a redirector associated with malicious activity. The document body also contains a direct link to a redirector disguised as an APK download. This suggests the document is designed to redirect users to malicious sites for further compromise. No scripts were extracted from this sample.

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.me/wix?keyword=real+steel+champions+apk+download
    • http://faxinan.twincreekgoldens.com/uploads/1/3/0/7/130775732/5890068.pdf
    • http://files.monicamking.com/uploads/1/3/0/7/130738960/7e5700089f9bec8.pdf
    • http://files.karriemichelle.com/uploads/1/3/1/4/131437061/579207b30fb462.pdf
    • http://nibiger.hphanoverians.com/uploads/1/3/1/0/131070301/5093654.pdf
    • http://files.patriciacarriganartist.com/uploads/1/3/1/0/131069860/wemani-podow-repuwewab.pdf
    • http://files.wanyunshao.com/uploads/1/3/0/8/130874066/wikesuv_nipujulurabob.pdf
    • http://files.evolutionaryconnections.co.uk/uploads/1/3/0/7/130775768/rekofudeguriv-niwafenowimuki.pdf
    • http://files.warkprimaryschool.co.uk/uploads/1/3/1/4/131454620/dusereluf-kegeja-vomedisewedenuv-bapexaximo.pdf
    • http://zaxigum.hollyspringswellnessgroup.com/uploads/1/3/1/4/131438672/tipof_pifemasumi_demajezop_wisegi.pdf
    • http://guteme.kyler-leroux-coaching-portfolio.com/uploads/1/3/2/6/132681579/70186f4792f8.pdf
    • http://vozisabu.sugarroseteapartyhire.com/uploads/1/3/2/7/132710654/dubalafowapilabilir.pdf
    • https://cdn.shopify.com/s/files/1/0431/5411/2672/files/96668089544.pdf
    • https://cdn.shopify.com/s/files/1/0440/4389/4934/files/tupolusasuwaloruti.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/11085861466.pdf
    • https://cdn.shopify.com/s/files/1/0428/4933/7507/files/18265783584.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_off000057ea.bin
d2981221510e2ce06d45fdec7215c8ee3adcfb83ea0f4c4cc1ba970e87243803		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57EA 5380 bytes
font_01_sfnt_off00006a23.bin
e2eacf00a1e0fba08e5904fa9b26613b7f3b87785f1c698aab927f78eb8f99b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A23 10284 bytes

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