Malicious PDF — malware analysis report

Static analysis result for SHA-256 cde086f190da7ceb…

MALICIOUS

PDF

45.2 KB Created: 2020-08-29 21:54:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 49be3b221d7ee2dec20fda932c8208ba SHA-1: 5bb71e94188bad3d94e9e0ce5a23d5eea4bc05a8 SHA-256: cde086f190da7cebafb584c0ffea67475985921b818e7c61af8551094f538893
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating it is a malicious redirector link. The embedded URL, https://ttraff.com/wix?keyword=les+enfoir%25C3%25A9s+le+temps+qui+court, is the primary indicator of malicious intent. Additionally, the PDF contains a mass external link farm, suggesting a broader campaign to distribute malicious content. No scripts were extracted, limiting the analysis of specific execution behaviors.

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/wix?keyword=les+enfoir%25C3%25A9s+le+temps+qui+court
    • https://static.usrfiles.com/ugd/b8c837_f8f5da4104c14252bd22190d61d8cc19.pdf
    • https://static.usrfiles.com/ugd/e8506d_baf335db04b74feeb8032995273f60ad.pdf
    • https://static.usrfiles.com/ugd/b8c837_0ed2ea15a0cd4167ab7d6c4bb16740d8.pdf
    • https://cdn.shopify.com/s/files/1/0435/9228/6363/files/69378978695.pdf
    • https://cdn.shopify.com/s/files/1/0430/9401/6157/files/rominemesa.pdf
    • https://cdn.shopify.com/s/files/1/0431/4539/6386/files/57075908917.pdf
    • https://cdn.shopify.com/s/files/1/0459/8523/5111/files/ipcc_2007_full_report.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23063093424.pdf
    • https://cdn.shopify.com/s/files/1/0433/0491/1006/files/rajibokibune.pdf
    • https://cdn.shopify.com/s/files/1/0437/5104/7329/files/guxixerijosupaxamoma.pdf
    • https://cdn.shopify.com/s/files/1/0431/8937/1044/files/18165345665.pdf
    • https://cdn.shopify.com/s/files/1/0432/1044/0862/files/mizabefux.pdf
    • https://cdn.shopify.com/s/files/1/0431/1610/1793/files/jurnal_bovine_ephemeral_fever.pdf
    • https://cdn.shopify.com/s/files/1/0436/6182/0054/files/autentico_spanish_2_textbook_answers.pdf
    • https://cdn.shopify.com/s/files/1/0438/5583/9382/files/sonavawamedidisa.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_off0000615c.bin
d4f2f30c0c8ba764e62497d36cc1b9b9d8d0fb969dca43b44d50493cb6e853e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x615C 5044 bytes
font_01_sfnt_off0000722c.bin
b30055514f8087aaedfb87218c9d8327f0a0853e7f981e70dba5532615747d6d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x722C 11700 bytes
font_02_sfnt_off00009751.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9751 4324 bytes

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