Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5a0153170529417…

MALICIOUS

PDF

62.5 KB Created: 2020-08-11 19:33:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7daab9e11163cac67a283bfa00099af7 SHA-1: 86a4f53433fb7a5b7578832d7cc9957cd064ef43 SHA-256: c5a0153170529417fd569b7c59b8f836d27d414e9e6bfdd7ca32a1c19da76ff3
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a malicious redirector at 'https://ttraff.com/pify?keyword=hybrid+renewable+energy+systems+pdf'. This indicates a phishing or scam attempt, likely to direct users to malicious content. The document body, though heavily obfuscated, contains the same URL, reinforcing the malicious intent. 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.com/pify?keyword=hybrid+renewable+energy+systems+pdf
    • http://files.hobbyhardwoodalabama.com/uploads/1/3/1/6/131606968/2621667.pdf
    • http://files.lifeofchristrosary.com/uploads/1/3/0/9/130969471/3550890.pdf
    • http://files.gardensatunityvillage.org/uploads/1/3/1/4/131407051/xavifoso.pdf
    • http://files.hobbyhardwoodalabama.com/uploads/1/3/1/6/1316
    • https://cdn.shopify.com/s/files/1/0432/2033/6807/files/6358570693.pdf
    • https://cdn.shopify.com/s/files/1/0437/7804/8151/files/norinilalorotililamufe.pdf
    • https://cdn.shopify.com/s/files/1/0437/9597/2256/files/echo_dot_manual_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/1274/2550/files/lesaguxusazu.pdf
    • https://cdn.shopify.com/s/files/1/0431/0512/4516/files/tonigix.pdf
    • https://cdn.shopify.com/s/files/1/0433/9613/7111/files/opening_mdi_file.pdf
    • https://cdn.shopify.com/s/files/1/0433/9567/8357/files/29628402643.pdf
    • https://cdn.shopify.com/s/files/1/0432/9802/9733/files/powovemexuwuwukolutuk.pdf
    • https://cdn.shopify.com/s/files/1/0430/0262/6202/files/cfdi_3._3_2020.pdf
    • https://cdn.shopify.com/s/files/1/0435/2232/6696/files/femafobekifavipazo.pdf
    • https://cdn.shopify.com/s/files/1/0440/0755/5222/files/walk_through_walls_fire_red.pdf
    • https://cdn.shopify.com/s/files/1/0433/7329/7822/files/nowalitugejipojag.pdf
    • https://cdn.shopify.com/s/files/1/0431/5319/5157/files/41460188533.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_off0000b5a4.bin
faf905032320e094dda282f9ec966f57f58d4e8b4ff39b02c74f58e297acf1ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB5A4 5656 bytes
font_01_sfnt_off0000c8dd.bin
406150eb8fa6695a0c87a7f08ad7044cc52398d7ee90c70eaa723ae4f3e74ab9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC8DD 10492 bytes

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