Malicious PDF — malware analysis report

Static analysis result for SHA-256 47d78307c3f443b7…

MALICIOUS

PDF

108.5 KB Created: 2020-08-03 01:50:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 534bc81dc265e7afbe975eb8603fb80b SHA-1: 63e04cec48e165663071d384dd4ddd623e8f70cc SHA-256: 47d78307c3f443b7d36502bb81753068416e8dd81017904d7db975cfab321ebc
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=binding+of+isaac+safety+cap'. This URL is presented within the document body, suggesting a social engineering lure. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on cdn.shopify.com, likely to improve search engine ranking for malicious content. The primary attack vector appears to be tricking the user into clicking the malicious link.

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.com/pify?keyword=binding+of+isaac+safety+cap
    • http://files.coolascucumbers.com/uploads/1/3/1/3/131382030/naloxo-zepujakogibip-jifiremotate-xozugalori.pdf
    • http://files.sjpscitech.org/uploads/1/3/0/7/130739011/pubadosogewib.pdf
    • http://files.martagonzalezaregall.com/uploads/1/3/1/3/131378899/vitofuxe.pdf
    • http://files.tinazhang.com/uploads/1/3/1/1/131164075/seneti.pdf
    • http://files.flockofbirdsmosaics.org/uploads/1/3/0/9/130969356/vatalogowu_zogidinu_pabugepedif_libuvuzozexesat.pdf
    • https://cdn.shopify.com/s/files/1/0427/7311/9143/files/10822702877.pdf
    • https://cdn.shopify.com/s/files/1/0438/4679/5424/files/a_hat_in_time_modding_tools.pdf
    • https://cdn.shopify.com/s/files/1/0434/1740/3549/files/75273748314.pdf
    • https://cdn.shopify.com/s/files/1/0431/6885/8280/files/95196325889.pdf
    • https://cdn.shopify.com/s/files/1/0433/4357/7256/files/ganevawofosonidap.pdf
    • https://cdn.shopify.com/s/files/1/0440/0496/6565/files/32192574826.pdf
    • https://cdn.shopify.com/s/files/1/0428/7610/8956/files/xojaguvobesebusugidas.pdf
    • https://cdn.shopify.com/s/files/1/0433/6893/9672/files/xuzevowidizojurosirepow.pdf
    • https://cdn.shopify.com/s/files/1/0437/9167/9648/files/unity_reload_scene.pdf
    • https://cdn.shopify.com/s/files/1/0430/0167/5939/files/46023265418.pdf
    • https://cdn.shopify.com/s/files/1/0439/5221/0088/files/fesugukojo.pdf
    • https://cdn.shopify.com/s/files/1/0431/1682/2679/files/6060560656.pdf
    • https://cdn.shopify.com/s/files/1/0428/4078/5062/files/ludewufakigutale.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_off00016e54.bin
d93eb3c6e87bec0d520cb88ff0a5a2d38b7fe23051b4799bbb3aef0a7007569b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16E54 5348 bytes
font_01_sfnt_off000180b4.bin
8775310d7aec58673b685e1f894a494325a64176e42a17084c74e16a461c41ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x180B4 10420 bytes

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