Malicious PDF — malware analysis report

Static analysis result for SHA-256 33312f60c669850e…

MALICIOUS

PDF

51.8 KB Created: 2020-09-07 13:46:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ba738db1d72eabc2c024d8019cf30cc9 SHA-1: f7bca8d9ecf03a7cc0e6b01e7b6ea5c2eb02070e SHA-256: 33312f60c669850ecade9d06e41b3c7cacaf1eb8fe6aeb5a381c93bd668d68c9
150 Risk Score

Malware Insights

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

The PDF contains a deceptive title and a large number of embedded links, including a known malicious redirector. The primary malicious link is https://ttraff.link/wix?keyword=aastha+gill+nagin+video+song, which likely leads to further malicious content. The document's structure and content indicate a social engineering attempt to trick users into visiting potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.link/wix?keyword=aastha+gill+nagin+video+song
    • https://static.usrfiles.com/ugd/79e5df_130d2798527c4e6eaaf90faba1b02c1a.pdf
    • https://static.usrfiles.com/ugd/c1de29_cd09326bffc74faaa8fef0eeb8faed66.pdf
    • https://static.usrfiles.com/ugd/90423f_adfeb57cdea64cb2abd11106cb4c75a3.pdf
    • https://static.usrfiles.com/ugd/dd4472_6cdc569222334e6d8fb10443138be5b8.pdf
    • https://static.usrfiles.com/ugd/b8c837_dad603711759498baecad27aba6bcb64.pdf
    • https://static.usrfiles.com/ugd/d216cb_adbf8509df0f44e49c16ba34fb885598.pdf
    • https://static.usrfiles.com/ugd/33ab24_de36bace0dbc4a9180f5fed10d8bace7.pdf
    • https://static.usrfiles.com/ugd/aef5b7_cd551853717a405bbca01b3c7f896d3a.pdf
    • https://cdn.shopify.com/s/files/1/0433/7103/6835/files/puxawaxif.pdf
    • https://cdn.shopify.com/s/files/1/0436/0205/1229/files/misik.pdf
    • https://cdn.shopify.com/s/files/1/0440/8439/6184/files/accounting_information_system_syllabus.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/befuxaj.pdf
    • https://cdn.shopify.com/s/files/1/0428/9105/1161/files/kabokupamomesuredesedi.pdf
    • https://static.usrfiles.com/ugd/0511f5_0e6ac1396ca046988a9c91bf63625898.pdf
    • https://static.usrfiles.com/ugd/a8ca0f_69a612a7b7ae4900a04956bc1f3dd101.pdf
    • https://static.usrfiles.com/ugd/8ab72e_80d6748ceed14b82914a478f3008e65c.pdf
    • https://static.usrfiles.com/ugd/9d869b_7a2d7e5eb7b746f6a7013a4d81b0c925.pdf
    • https://static.usrfiles.com/ugd/65d6f7_bce236d31371401abc6d1e8be5782467.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/
    • https://static.usrfiles.com/ugd/8ab72e_80d6748ceed14b82914a478f3008e65c

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005543.bin
1dc4f8e41720b7f596dd7145208c6beedc50c95306d7f8ff6b44fce213ad3143		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5543 4828 bytes
font_01_sfnt_off000065a7.bin
b031a21652f4c72987fb553df3e2e587ffe242f62771a7e4b4ee123a14759f10		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65A7 14968 bytes
font_02_sfnt_off000093c3.bin
96ab3042575e6db92b7bad1aac42ed8095504d59665b3326cf7857e97d54a14f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x93C3 18776 bytes
font_03_sfnt_off0000b12a.bin
ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB12A 4324 bytes

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