Malicious PDF — malware analysis report

Static analysis result for SHA-256 4be2fe3367851fa2…

MALICIOUS

PDF

70.4 KB Created: 2020-08-21 00:05:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6d81c33da25500452cf870db69475538 SHA-1: 378e5912a51224c60423889cb07325b4dddbfa62 SHA-256: 4be2fe3367851fa2557a20d76fcae9f98e633e60a656706fb5d9b224e4ffd54d
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, directing users to 'https://ttraff.ru/pify?keyword=business+process+design+for+strategic+management+pdf'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with the primary one pointing to a Shopify domain. The document body, though heavily obfuscated, contains the same redirector URL, reinforcing the malicious intent to lure users to a potentially harmful site.

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=business+process+design+for+strategic+management+pdf
    • http://vexifilu.k9hardcase.com/uploads/1/3/1/4/131437812/liwibemotiralugolu.pdf
    • https://cdn.shopify.com/s/files/1/0431/6043/6887/files/tirulofepivu.pdf
    • https://cdn.shopify.com/s/files/1/0433/8538/9206/files/46790736684.pdf
    • https://cdn.shopify.com/s/files/1/0438/4414/1218/files/arterial_blood_gases.pdf
    • https://cdn.shopify.com/s/files/1/0433/8037/5710/files/jeritesixi.pdf
    • https://cdn.shopify.com/s/files/1/0437/1241/3851/files/pavemalesojugukumes.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zawitowawipujeko.pdf
    • https://cdn.shopify.com/s/files/1/0435/2779/8944/files/29217468956.pdf
    • https://cdn.shopify.com/s/files/1/0429/0897/5263/files/migenu.pdf
    • https://cdn.shopify.com/s/files/1/0428/5035/3318/files/45444780744.pdf
    • https://cdn.shopify.com/s/files/1/0440/0896/4246/files/pexabijogepowenex.pdf
    • https://cdn.shopify.com/s/files/1/0446/0973/2771/files/abnormal_uterine_bleeding_nice_guidelines.pdf
    • https://cdn.shopify.com/s/files/1/0430/1144/0803/files/57017479520.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_off0000d578.bin
7cdb74b6616d19f29a90811c013090f19ba6a065f2f3542e6bc44bedcefab4cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD578 5492 bytes
font_01_sfnt_off0000e80b.bin
f6856c2fa37dba65d5a5879a1ec88c372836070a4a8602a287b1435287423e80		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE80B 10760 bytes

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