Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5cebe80dd0b18d2…

MALICIOUS

PDF

45.5 KB Created: 2020-08-01 02:59:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47bf730307ad75a7490aa5268bde3c12 SHA-1: 9fca08ae07508d418550fb91f174bdb96af5d392 SHA-256: d5cebe80dd0b18d2d7c8e86e67093e797b803adb002797e1fda72fd2fbfa8bc5
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body text explicitly mentions 'fireproof full movie' and includes the URL 'https://ttraff.com/pify?keyword=fireproof+full+movie', indicating a lure to a potentially malicious site. Another critical heuristic identified a PDF link farm, with the primary domain being cdn.shopify.com, suggesting an attempt to distribute content or redirect users through multiple links.

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/pify?keyword=fireproof+full+movie
    • http://files.poetryjockeys.nl/uploads/1/3/0/8/130874110/cf06a4aaf408.pdf
    • http://files.thaddeusart.com/uploads/1/3/2/6/132681992/novama_kijawuwur.pdf
    • http://files.artisanbathandbody.com/uploads/1/3/2/6/132681790/9cbc27c3ae48.pdf
    • http://files.ildcc.org/uploads/1/3/1/4/131437949/joseta_xarawidevuxila.pdf
    • https://cdn.shopify.com/s/files/1/0431/8602/8708/files/muwiv.pdf
    • https://cdn.shopify.com/s/files/1/0433/9708/7390/files/xejuvazukajudel.pdf
    • https://cdn.shopify.com/s/files/1/0436/0726/1341/files/petavokexamu.pdf
    • https://cdn.shopify.com/s/files/1/0433/4967/2091/files/dinatozapigoxexapovekexa.pdf
    • https://cdn.shopify.com/s/files/1/0435/3546/6655/files/46405067290.pdf
    • https://cdn.shopify.com/s/files/1/0433/4593/6534/files/45361149276.pdf
    • https://cdn.shopify.com/s/files/1/0431/9812/0094/files/32137219237.pdf
    • https://cdn.shopify.com/s/files/1/0429/6726/9532/files/xigovigaje.pdf
    • https://cdn.shopify.com/s/files/1/0431/0381/3781/files/pesobabilijilitil.pdf
    • https://cdn.shopify.com/s/files/1/0431/7102/0954/files/37438434278.pdf
    • https://cdn.shopify.com/s/files/1/0428/5405/6092/files/xozokili.pdf
    • https://cdn.shopify.com/s/files/1/0429/7159/4911/files/rosumepunodapadewulubo.pdf
    • https://cdn.shopify.com/s/files/1/0429/2047/6828/files/jewejurigukoxokumumarina.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_off0000754b.bin
2f52e6d22ab973aff3792b06ae38fd051e78ed7fee8b5a4a157c8bca9c3d9115		 pdf-font-stream PDF embedded font (sfnt) at offset 0x754B 4676 bytes
font_01_sfnt_off00008525.bin
5dcaf6facbfebe8e417a4a9bc46e4b800549ae2fe811bc23d72e95b1d791e619		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8525 10504 bytes

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