Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd0db216c70eb44b…

MALICIOUS

PDF

42.2 KB Created: 2020-08-17 09:56:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4f7515c3c927a727c9d809de14177dc0 SHA-1: 71237549ea76c58a443003b69dc8e84cc3cbd3c9 SHA-256: dd0db216c70eb44b7188b96f3ef76616d11ffdd05f31ae0d26427af64e01a327
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to external PDFs hosted on various domains. One of these links, https://ttraff.cc/pify?keyword=circular+motion+questions+and+answers, is identified as a malicious redirector. The document body, though partially corrupted, contains text related to 'circular motion questions and answers' and the wkhtmltopdf application, suggesting a lure to disguise the malicious intent. The presence of a malicious redirector indicates an attempt to lead the user to harmful content.

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.cc/pify?keyword=circular+motion+questions+and+answers
    • http://nalile.bopressphoto.com/uploads/1/3/1/4/131453501/baviw.pdf
    • http://files.shieldedhearts.org/uploads/1/3/0/7/130738771/61405fe079.pdf
    • http://files.edenbridgehockeyclub.co.uk/uploads/1/3/1/0/131070313/rijozewaluwuja.pdf
    • http://gopojudi.wcstructural.com/uploads/1/3/1/3/131398134/76f9fa5.pdf
    • http://sibes.frenchiesofthecarolinas.com/uploads/1/3/1/6/131606289/752912.pdf
    • https://cdn.shopify.com/s/files/1/0434/2356/3925/files/20167601987.pdf
    • https://cdn.shopify.com/s/files/1/0429/6278/0311/files/tobulabaximuxufujexo.pdf
    • https://cdn.shopify.com/s/files/1/0434/5063/0296/files/rivokemanujubifatu.pdf
    • https://cdn.shopify.com/s/files/1/0431/4578/9600/files/can_bus_basics.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jokixud.pdf
    • https://cdn.shopify.com/s/files/1/0433/4210/2679/files/button_maker_android_studio.pdf
    • https://cdn.shopify.com/s/files/1/0431/7511/6960/files/get_your_guide_promo_code.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005aca.bin
b13b8851c42ef25c60586047f44592c24bfea434d16bbfa853b232811eec3506		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5ACA 5208 bytes
font_01_sfnt_off00006c6a.bin
1477923f3e768b89fed749910e74d00083afd6a9114fa5bf7423ec5f7e0141dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C6A 9792 bytes
font_02_sfnt_off00008e03.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E03 4324 bytes

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