Malicious PDF — malware analysis report

Static analysis result for SHA-256 94b989113cb67b28…

MALICIOUS

PDF

56.4 KB Created: 2020-08-02 07:49:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 468419582347138f8320806da7e43bce SHA-1: 548cdbd49e6a1b966ff96a015370272525cf439e SHA-256: 94b989113cb67b28de35ceea3761937945110eec2edf108195e5262936ef007e
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with many links pointing to PDF files hosted on various domains. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=itunes+for+windows+vista'. This suggests the document is designed to redirect users to malicious sites, likely for phishing or malware distribution. 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.cc/pify?keyword=itunes+for+windows+vista
    • http://files.laurabee.com/uploads/1/3/1/3/131383747/donozifaxow-wiwim-davawitu-lasebenip.pdf
    • http://files.redcoatmodels.com/uploads/1/3/0/7/130740138/gokorazogozugos.pdf
    • http://files.tessacase.co.uk/uploads/1/3/1/4/131453054/7616256.pdf
    • http://files.brockportmall.com/uploads/1/3/1/4/131407802/ludogebij-dufiwameropem-fivewig.pdf
    • http://files.gw-properties.com/uploads/1/3/1/3/131398135/4442790.pdf
    • https://cdn.shopify.com/s/files/1/0429/9977/5381/files/julamisesezorukale.pdf
    • https://cdn.shopify.com/s/files/1/0431/3474/6790/files/42097830813.pdf
    • https://cdn.shopify.com/s/files/1/0428/8105/6935/files/17739998559.pdf
    • https://cdn.shopify.com/s/files/1/0434/7179/8424/files/11138441493.pdf
    • https://cdn.shopify.com/s/files/1/0439/7318/1598/files/84162513220.pdf
    • https://cdn.shopify.com/s/files/1/0429/6274/7548/files/8737270427.pdf
    • https://cdn.shopify.com/s/files/1/0434/5056/4773/files/67118851407.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8003629611.pdf
    • https://cdn.shopify.com/s/files/1/0430/5921/6537/files/diwojanepivopadelitixawi.pdf
    • https://cdn.shopify.com/s/files/1/0433/6880/8613/files/pisupepakivokuvutipezirux.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000594c.bin
c2312f9d33a5d797d283fd9e96fd5d63c4ed7bd4ffebc89e3df1323b0e89083c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x594C 5588 bytes
font_01_sfnt_off00006cd9.bin
fa3ddcc397bd27a8ede4ace9fe63d7bb7a43e61257e77a8177ebc65f4069038c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CD9 4956 bytes
font_02_sfnt_off00007dd0.bin
4910d0177da9f60ecc92c13a34fae8c5c38ffafb9e4e22a3c3fd987548b79157		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7DD0 6148 bytes
font_03_sfnt_off00008db1.bin
559301bce2e6c04d90111bc7272fc8f2ed9246afd9dad4f9b8ae70a4dd945d69		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8DB1 16848 bytes
font_04_sfnt_off0000bb53.bin
ecc63509b2433281df26660924ac08c475afdcbed26f7717632b5d9a5cf7442f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBB53 16984 bytes

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