Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ebe17051b5a78e1…

MALICIOUS

PDF

40.2 KB Created: 2020-08-07 07:30:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 334de895c6f159dee46fcacce2e34c79 SHA-1: 2b32a45be8a064152c3c2333e0b67ac5e0ff45e9 SHA-256: 7ebe17051b5a78e18e0eac696074f0e1be81fbbdd47491f091059f596586979f
128 Risk Score

Malware Insights

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

The PDF file contains a deceptive call-to-action disguised as a 'construction company profile pdf download'. It embeds numerous links, including one to a known malicious redirector at 'https://ttraff.cc/pify?keyword=construction+company+profile+pdf+download'. This redirector likely leads to a malicious payload. The presence of a link farm and a malicious redirector indicates a phishing or malware distribution attempt.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.cc/pify?keyword=construction+company+profile+pdf+download
    • http://files.hmdegroot.com/uploads/1/3/2/3/132302859/kimegakojub.pdf
    • http://files.heritagechroniclesa.org/uploads/1/3/0/7/130740073/kasag.pdf
    • http://files.sunderland4autism.com/uploads/1/3/1/8/131856703/d0d404fe8dcac.pdf
    • http://files.nyccbtp.com/uploads/1/3/1/4/131409333/zipepetev_bavelunoloved_jiwivo_rofelolab.pdf
    • http://files.mickkok.com/uploads/1/3/1/3/131383964/lubisa.pdf
    • https://cdn.shopify.com/s/files/1/0431/2806/2109/files/vegerubujojazivebire.pdf
    • https://cdn.shopify.com/s/files/1/0428/2338/5247/files/44191716165.pdf
    • https://cdn.shopify.com/s/files/1/0430/2965/9805/files/54237119512.pdf
    • https://cdn.shopify.com/s/files/1/0434/7366/6213/files/durebupagi.pdf
    • https://cdn.shopify.com/s/files/1/0430/1229/2767/files/da_3953.pdf
    • https://cdn.shopify.com/s/files/1/0434/8110/4541/files/35737909097.pdf
    • https://cdn.shopify.com/s/files/1/0434/7248/6564/files/nemoruxojupalarobenidu.pdf
    • https://cdn.shopify.com/s/files/1/0433/3273/1038/files/tazogazasiloredujowume.pdf
    • https://cdn.shopify.com/s/files/1/0431/9979/1265/files/6032326216.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_off00005faf.bin
a4c0c3594c8456bb2d19a9a9f2c8715d040fabdad59f36c5f112bbd1042ad260		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FAF 5400 bytes
font_01_sfnt_off00007208.bin
1794b752f659835c717efd2ce6b49318fa31af6815e892343633c17b0206e9b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7208 9948 bytes

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