Malicious PDF — malware analysis report

Static analysis result for SHA-256 390117d894c09c4d…

MALICIOUS

PDF

55.3 KB Created: 2020-08-12 16:47:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fe7ff188fed255a4a22b2f6b46c13687 SHA-1: 365cbd87808795444ccb77a09e473bb2cf3a6cb0 SHA-256: 390117d894c09c4da1f594a848b4a9098ded3311cc089899ce2d0f8600bfe2b4
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a significant number of embedded links, forming a link farm designed to direct users to various resources. One of these links, specifically `https://ttraff.com/wb?keyword=ray%20stedman%20adventuring%20through%20the%20bible%20pdf`, is identified as a malicious redirector. The presence of this malicious redirector indicates an attempt to lead the user to a harmful destination. No scripts were extracted from this sample.

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/wb?keyword=ray%20stedman%20adventuring%20through%20the%20bible%20pdf
    • http://files.shopprettyplaces.com/uploads/1/3/1/8/131856672/8766287.pdf
    • http://files.be-brave.shop/uploads/1/3/1/3/131380292/4473081.pdf
    • http://tanir.biologybynapier.com/uploads/1/3/1/6/131606490/3020749.pdf
    • http://files.tidyfairyla.com/uploads/1/3/0/7/130738616/7531514.pdf
    • http://files.senecaswissys.com/uploads/1/3/1/4/131438038/nigajuwuxubomuk_jovavodi_vazewoveduno.pdf
    • https://cdn.shopify.com/s/files/1/0429/3174/9031/files/vijonenuzarutegiwanar.pdf
    • https://cdn.shopify.com/s/files/1/0436/2836/3939/files/civil_engineering_interview_questions_and_answers_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/0084/7781/files/gimp_user_manual_2._8.pdf
    • https://cdn.shopify.com/s/files/1/0429/6402/5493/files/84694460580.pdf
    • https://cdn.shopify.com/s/files/1/0439/0053/4952/files/12373606916.pdf
    • https://cdn.shopify.com/s/files/1/0430/3483/7149/files/18180493842.pdf
    • https://cdn.shopify.com/s/files/1/0433/5363/7018/files/43212985613.pdf
    • https://cdn.shopify.com/s/files/1/0434/7294/5304/files/vumuto.pdf
    • https://cdn.shopify.com/s/files/1/0433/9151/6828/files/jekojazevabuvim.pdf
    • https://cdn.shopify.com/s/files/1/0429/7487/1711/files/achievers_a1_student_s_book.pdf
    • https://cdn.shopify.com/s/files/1/0435/0741/7253/files/guwobelod.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_off000099cb.bin
7c8d078d3a6beef3871e5f0ee6dd1ec88b6d2eb7956a68db9d1bc57a9d3db04b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x99CB 5764 bytes
font_01_sfnt_off0000ad4b.bin
8518a2fc2396f2766d362f465c187052a808dd0fc92da83544590792a80dd8aa		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAD4B 10204 bytes

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