Malicious PDF — malware analysis report

Static analysis result for SHA-256 da05b45fd0ff81bb…

MALICIOUS

PDF

39.1 KB Created: 2020-08-31 07:31:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c0bc93463c92cc0c5fe880ffa488128d SHA-1: f1dad4e651d9f75c148fbfe261a8720e688a80de SHA-256: da05b45fd0ff81bbe8c339971c750768cda09c14618c16683ec3ef7038976c1d
90 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The ML classifier also strongly flagged this PDF as malicious. The embedded URL, https://ttraff.com/wix?keyword=where+two+worlds+meet, is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 2

  • 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.
  • 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=where+two+worlds+meet
    • https://cdn.shopify.com/s/files/1/0429/2732/5343/files/mardaani_full_movie_rani_mukherjee.pdf
    • https://cdn.shopify.com/s/files/1/0432/1188/2653/files/vasipedi.pdf
    • https://cdn.shopify.com/s/files/1/0461/9907/9065/files/el_tallador_de_diamantes_downloa.pdf
    • https://cdn.shopify.com/s/files/1/0430/0128/2711/files/rinosinusitis_tratamiento.pdf
    • https://static.usrfiles.com/ugd/9e41f0_6c5c9945fd0f4063ac4641767d31557f.pdf
    • https://static.usrfiles.com/ugd/dd4472_95a468d00aa24284885acba7c57018f2.pdf
    • https://static.usrfiles.com/ugd/6d59ab_0f48a6eb023c4253a8c30f5ef9d13e56.pdf
    • https://static.usrfiles.com/ugd/b914b5_bdc913fefceb43af992c00bc8335b87c.pdf
    • https://static.usrfiles.com/ugd/b8c837_0ecead672ada402a9e1b088dc14511e0.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_off00005db3.bin
078f298e6e388b7c25966201102f5ad0f94fb45affcd2f294a130bc94dca3946		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DB3 4960 bytes
font_01_sfnt_off00006e81.bin
634b0825c916e170663be13870c4979445487d8ff34dd56027e10b6815e89aed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E81 9936 bytes

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