Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba5a618ebb9716cc…

MALICIOUS

PDF

49.9 KB Created: 2020-08-11 23:00:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8bcdfb3929ff99fe8eda37acaa5e1bff SHA-1: c921f9aa4c9b6f13a1a4c490f4a3685aa15f0bf7 SHA-256: ba5a618ebb9716cc7a2fcc8d68b0f672cf5197f5a12ed071ff0979756d8a5c36
120 Risk Score

Malware Insights

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

The PDF file contains a mass external link farm, with a critical heuristic firing for a malicious redirector. The primary malicious URL, https://ttraff.com/pify?keyword=plasmid+dna+isolation+by+alkaline+lysis+method+pdf, is designed to redirect users. The document body, though heavily obfuscated, also contains this URL, reinforcing the lure. The presence of numerous Shopify links suggests an attempt to blend malicious links with seemingly benign content.

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=plasmid+dna+isolation+by+alkaline+lysis+method+pdf
    • http://files.bristolwomeninbusinesscharter.org/uploads/1/3/0/7/130739826/d9ea7aee256333.pdf
    • http://files.duffdesigns.net/uploads/1/3/0/8/130874050/regaguzogegolabolo.pdf
    • http://files.ogdconsultinginc.com/uploads/1/3/1/8/131858661/49892916e98aa6.pdf
    • http://files.happygalsvintage.com/uploads/1/3/1/3/131398010/9825440.pdf
    • http://files.colquittcountysaddleclub.org/uploads/1/3/1/4/131453436/4a8e2.pdf
    • https://cdn.shopify.com/s/files/1/0437/5206/3125/files/bharat_acharya_book_free.pdf
    • https://cdn.shopify.com/s/files/1/0429/6107/6375/files/47146777855.pdf
    • https://cdn.shopify.com/s/files/1/0429/6481/1935/files/76148192747.pdf
    • https://cdn.shopify.com/s/files/1/0432/1266/9089/files/supofitokopa.pdf
    • https://cdn.shopify.com/s/files/1/0434/8909/9938/files/bob_s_burgers_season_8_torrent.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/viborovikumowenaben.pdf
    • https://cdn.shopify.com/s/files/1/0431/0351/8882/files/vatamemavobosunaxu.pdf
    • https://cdn.shopify.com/s/files/1/0428/6060/9703/files/53775734845.pdf
    • https://cdn.shopify.com/s/files/1/0432/1938/6526/files/pezuzonap.pdf
    • https://cdn.shopify.com/s/files/1/0433/9164/7894/files/joxotawexujepifofepiwe.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_off000084f5.bin
936e997300c116ef145cb127bd3174f131dd2ae22507bc0826d00e4914b07fba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84F5 5492 bytes
font_01_sfnt_off00009784.bin
026aeaecaf74cf5e8b7d035438838147a1319b5cb04f71f3bb2ba4b045c00414		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9784 10136 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.