Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b2418cf234affa8…

MALICIOUS

PDF

91.2 KB Created: 2020-08-04 20:31:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d978c45ae577486a1fe15034ecdc1252 SHA-1: 3903baff89e765542d703a1b2684f4982dec1c4c SHA-256: 7b2418cf234affa8be52413cff6f36f3e0083a5bd44d21716dd068310bd83ea0
160 Risk Score

Malware Insights

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

The PDF file contains a lure related to 'cardiac arrest treatment' which is a common theme in advance-fee scams. It embeds numerous links, including a critical redirector link to 'ttraff.com', suggesting a malicious intent to direct users to fraudulent content. The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' strongly indicates this is an advance-fee fraud document.

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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=cardiac+arrest+treatment+pdf
    • http://files.lovemybakes.co.uk/uploads/1/3/1/8/131860787/busaporirenamet.pdf
    • http://xuruzilig.acuedge.net/uploads/1/3/0/8/130814758/da2c93b4748b13.pdf
    • http://files.reliefandreconciliation.org/uploads/1/3/0/7/130776517/4027b68b6673aaa.pdf
    • https://cdn.shopify.com/s/files/1/0433/8126/0440/files/vowamilojumogiguxodesum.pdf
    • https://cdn.shopify.com/s/files/1/0430/6026/5117/files/48497769072.pdf
    • https://cdn.shopify.com/s/files/1/0433/2208/1448/files/zikuxixodepi.pdf
    • https://cdn.shopify.com/s/files/1/0434/4211/0625/files/wamuvoxetakanobi.pdf
    • https://cdn.shopify.com/s/files/1/0433/9567/8359/files/67394793953.pdf
    • https://cdn.shopify.com/s/files/1/0427/9002/7430/files/40515109576.pdf
    • https://cdn.shopify.com/s/files/1/0428/0378/9991/files/22010300576.pdf
    • https://cdn.shopify.com/s/files/1/0434/5895/3369/files/pitupejigufozugowoxibugi.pdf
    • https://cdn.shopify.com/s/files/1/0429/8942/0695/files/667065386.pdf
    • https://cdn.shopify.com/s/files/1/0436/1004/6621/files/lacey_and_manx.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_off00012a87.bin
fb1b773d80e0f7a8f8cf3c3ee0fbe73be9e9d16d4142b2a36e3c94aa34363b85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12A87 5172 bytes
font_01_sfnt_off00013c04.bin
acbf50a19769db86c657f4b5db48413fff85074db36cf4e478cf593f63eab5ae		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13C04 10456 bytes

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