Malicious PDF — malware analysis report

Static analysis result for SHA-256 418e1363a95eda0d…

MALICIOUS

PDF

46.2 KB Created: 2020-08-12 21:48:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5399df30c73d53d311431fe9774d51e1 SHA-1: ebd48241b5d3acd9e27f8653913cb480485136e2 SHA-256: 418e1363a95eda0dc8c53aecc46256c6a06223253d57bf6263d275594199434f
120 Risk Score

Malware Insights

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

The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains text related to 'Benefits of cloud computing for small business pdf' and the malicious URL, reinforcing the lure. The primary malicious URL is https://ttraff.ru/pify?keyword=benefits+of+cloud+computing+for+small+business+pdf, which is likely used to redirect users to a further malicious destination.

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.ru/pify?keyword=benefits+of+cloud+computing+for+small+business+pdf
    • http://files.lovinlifedeepcreek.com/uploads/1/3/1/4/131406826/buvakowekoguvuxapa.pdf
    • http://jimor.thedancecompany.net/uploads/1/3/0/8/130874359/7913461.pdf
    • http://mokut.josephthamir.com/uploads/1/3/1/4/131438216/zemifamijikuxoxim.pdf
    • http://vagubelo.thecottagebaker.net/uploads/1/3/1/3/131398091/wafuvozaxifuk.pdf
    • http://files.toplinepriority.com/uploads/1/3/2/6/132695571/5962269.pdf
    • https://cdn.shopify.com/s/files/1/0447/5338/7674/files/lomozanokonemewo.pdf
    • https://cdn.shopify.com/s/files/1/0431/4251/2802/files/1702503143.pdf
    • https://cdn.shopify.com/s/files/1/0432/0496/8603/files/mozarojifupi.pdf
    • https://cdn.shopify.com/s/files/1/0434/6616/2341/files/porexopufal.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96672573922.pdf
    • https://cdn.shopify.com/s/files/1/0432/7417/4632/files/53513526896.pdf
    • https://cdn.shopify.com/s/files/1/0433/3849/8206/files/probability_and_statistical_inference_9th_edition_download.pdf
    • https://cdn.shopify.com/s/files/1/0438/3119/7856/files/raxebixawazufakinegan.pdf
    • https://cdn.shopify.com/s/files/1/0435/2655/3755/files/temeroviripozivovunewug.pdf
    • https://cdn.shopify.com/s/files/1/0432/1335/7211/files/on_my_own_ashes_remain_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0428/2525/3023/files/zebuzexarefeg.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_off000074eb.bin
69a8227713c3ff6f58e3eb1208401f5fc82e0462984639756398ef55d0cbf7fe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74EB 5664 bytes
font_01_sfnt_off00008811.bin
3d602cf170fc4df7b0b25e982a8df438345b99260c95df5cafdb660a56128a5a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8811 10352 bytes

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