Malicious PDF — malware analysis report

Static analysis result for SHA-256 98680b923dfc7478…

MALICIOUS

PDF

34.3 KB Created: 2020-08-09 17:38:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 865fc1448474c69997db7a41df4c8227 SHA-1: a71b1e1f8866fc2367326057eec2f23aa6d6529f SHA-256: 98680b923dfc7478206eef9122cd9e23a70795748b5731637f715c96a9fa927c
120 Risk Score

Malware Insights

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

The PDF file contains a link farm and a critical heuristic firing for a malicious redirector. The embedded URL in the document body, 'https://ttraff.com/pify?keyword=breville+blend+active+recipe+book+pdf', is a clear indicator of a phishing or redirection attempt. The document likely aims to trick users into clicking this link, leading them to malicious content or further compromise. The presence of numerous Shopify links suggests an attempt to blend in with legitimate content while obscuring the 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.com/pify?keyword=breville+blend+active+recipe+book+pdf
    • http://files.cheyenne-janas.com/uploads/1/3/0/8/130874097/musamaweruxoki.pdf
    • http://files.post22legionbaseball.com/uploads/1/3/1/3/131380612/1066401.pdf
    • http://telenedon.creativecitychallenge.com/uploads/1/3/1/1/131164250/7c6d6b051e0832.pdf
    • http://files.maryhvance.com/uploads/1/3/1/4/131437722/gilizada.pdf
    • https://cdn.shopify.com/s/files/1/0429/0838/5439/files/tiputudujakusuwu.pdf
    • https://cdn.shopify.com/s/files/1/0439/5089/9368/files/53047462773.pdf
    • https://cdn.shopify.com/s/files/1/0440/0647/3886/files/daledikurudevefi.pdf
    • https://cdn.shopify.com/s/files/1/0432/1745/3211/files/aprender_a_tocar_guitarra_muy_completo.pdf
    • https://cdn.shopify.com/s/files/1/0439/0099/3691/files/53754349109.pdf
    • https://cdn.shopify.com/s/files/1/0430/2870/9539/files/78895353081.pdf
    • https://cdn.shopify.com/s/files/1/0430/2100/9053/files/rafal.pdf
    • https://cdn.shopify.com/s/files/1/0428/8957/6601/files/gepidagex.pdf
    • https://cdn.shopify.com/s/files/1/0432/3360/7842/files/32522454355.pdf
    • https://cdn.shopify.com/s/files/1/0429/0789/3919/files/bienestar_social_segun_autores.pdf
    • https://cdn.shopify.com/s/files/1/0432/0637/7633/files/angariao_imobiliria.pdf
    • https://cdn.shopify.com/s/files/1/0429/6107/6387/files/sukomako.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_off000048a9.bin
0002858655b9f335ea52752e8346782486a63dc16aa8036ff93263d1be6f4ef3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x48A9 5284 bytes
font_01_sfnt_off00005ab9.bin
be7092bb9aca073a4f714906e546e4fded8db0f531fd43f0828e99f9e5fda55a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AB9 9908 bytes

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