Malicious PDF — malware analysis report

Static analysis result for SHA-256 1bec6e0df124702b…

MALICIOUS

PDF

44.4 KB Created: 2020-08-03 15:01:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3b8746f98174d9724c102335331f7240 SHA-1: c6be1fc78fc5f72456428cc710d29b1e85bb18fa SHA-256: 1bec6e0df124702b9d75c8a84a0535f3ffbd40edb09352322607007970730217
120 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a known malicious domain, disguised as a nutrition PDF. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains text related to 'Panera bread menu nutrition pdf' and the malicious URL, indicating a social engineering lure.

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=panera+bread+menu+nutrition+pdf
    • http://files.mupss.org/uploads/1/3/1/3/131398334/6683348.pdf
    • http://files.drcarterscourses.org/uploads/1/3/0/7/130775997/7313012.pdf
    • http://xoneg.doulacortney.com/uploads/1/3/0/7/130738943/tuwinipotati.pdf
    • https://cdn.shopify.com/s/files/1/0434/3260/7900/files/laralofekikisakibage.pdf
    • https://cdn.shopify.com/s/files/1/0435/9585/8083/files/tujukofutas.pdf
    • https://cdn.shopify.com/s/files/1/0433/0510/7620/files/factorio_train_no_path.pdf
    • https://cdn.shopify.com/s/files/1/0427/8606/2495/files/36644234707.pdf
    • https://cdn.shopify.com/s/files/1/0434/5895/3381/files/mexato.pdf
    • https://cdn.shopify.com/s/files/1/0430/9843/9837/files/xadezogugulepotepuga.pdf
    • https://cdn.shopify.com/s/files/1/0433/9033/7182/files/22835612195.pdf
    • https://cdn.shopify.com/s/files/1/0434/3683/4981/files/gomukobekogivi.pdf
    • https://cdn.shopify.com/s/files/1/0431/3012/6496/files/james_rollins_sigma_force_series.pdf
    • https://cdn.shopify.com/s/files/1/0439/2307/9323/files/75060153328.pdf
    • https://cdn.shopify.com/s/files/1/0431/8684/7903/files/java_arraylist_implementation.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_off00006f0f.bin
52803ba140028c8d28f64017c7520f8618fb9720d88c5b3f3c29a6cd0491286e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F0F 5116 bytes
font_01_sfnt_off0000805b.bin
e9c1196d5c39a49ab5280b954a8f51018f858f70f7de93cdc9bfbdd62a53adf6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x805B 10676 bytes

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