Malicious PDF — malware analysis report

Static analysis result for SHA-256 48b0022e5b379e5e…

MALICIOUS

PDF

55.1 KB Created: 2020-08-19 23:19:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c4f516b28bec9121f5b2769f8827de9 SHA-1: 1fa94f6a8bbe283ad4e5b0554affbc9873ff27d8 SHA-256: 48b0022e5b379e5e6c66b89bc7ef7c4a932abae747bcc7078454461a5ecf682e
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=scripps+spelling+bee+words+pdf'. This indicates a phishing or social engineering attempt to redirect the user to malicious infrastructure. The document body, though heavily obfuscated, contains the same URL, reinforcing the malicious intent. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm used for SEO poisoning or to obscure the true destination.

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.ru/pify?keyword=scripps+spelling+bee+words+pdf
    • http://fudeperit.azokacompany.com/uploads/1/3/1/0/131070874/sadulowakuvov.pdf
    • http://files.tcsocalbaseball.com/uploads/1/3/0/7/130739509/2286162.pdf
    • http://files.newlifebaptisthp.com/uploads/1/3/1/3/131382595/8c858.pdf
    • http://files.hallieselinger.com/uploads/1/3/1/4/131453054/zuzotizu-bixovalajo-fisozagas.pdf
    • https://cdn.shopify.com/s/files/1/0429/8955/1770/files/bezalo.pdf
    • https://cdn.shopify.com/s/files/1/0431/0820/4704/files/vizowu.pdf
    • https://cdn.shopify.com/s/files/1/0431/6574/5309/files/49413917507.pdf
    • https://cdn.shopify.com/s/files/1/0452/5346/0130/files/5276126953.pdf
    • https://cdn.shopify.com/s/files/1/0437/5589/6990/files/bobevuruxizofuriruxu.pdf
    • https://cdn.shopify.com/s/files/1/0446/8060/9945/files/3d_text_effect_photoshop.pdf
    • https://cdn.shopify.com/s/files/1/0432/4923/8178/files/tipejotijotojarugotenota.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_off00009908.bin
53dd9066b8a8d0047f0396680947545372f301a7e630bb2f12ba75fccb30e4e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9908 5448 bytes
font_01_sfnt_off0000aba4.bin
b4ffe7a69fb31acba5801da79b3bd4bbb7b1874705cc6916790ae06c85856283		 pdf-font-stream PDF embedded font (sfnt) at offset 0xABA4 10580 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.