Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3aef6c6de01b71b…

MALICIOUS

PDF

34.8 KB Created: 2020-08-15 05:18:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3db09da701d6c89140c723febe371ed9 SHA-1: 734fdc1b2c0a970b66eade947be4cd73f990233c SHA-256: e3aef6c6de01b71b416613c63ee32c5e9df80fe64bcf06612457237aae0d5048
128 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 a product lure ('Steve madden platform boots leather') and the malicious URL. The presence of numerous links, including one pointing to known malicious infrastructure, strongly suggests a social engineering attack designed to redirect users to harmful sites.

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=steve+madden+platform+boots+leather
    • http://vafamig.topflightsoccertours.com/uploads/1/3/1/4/131407435/1474196.pdf
    • http://jumora.messyparenting.com/uploads/1/3/2/3/132302894/nibifaxe.pdf
    • http://jelapudit.qiman.org/uploads/1/3/1/4/131454046/ce317f49.pdf
    • http://files.helenpapworth.com/uploads/1/3/1/3/131379223/lazofekod.pdf
    • http://files.e-learninginteractive.com/uploads/1/3/0/7/130775934/18ab180.pdf
    • https://cdn.shopify.com/s/files/1/0434/4633/7693/files/npm_run_watch.pdf
    • https://cdn.shopify.com/s/files/1/0432/8187/5112/files/basics_of_pl_sql.pdf
    • https://cdn.shopify.com/s/files/1/0433/8896/0933/files/basefuwufegilefokimanedin.pdf
    • https://cdn.shopify.com/s/files/1/0430/4044/0471/files/kipatalino.pdf
    • https://cdn.shopify.com/s/files/1/0428/4389/8019/files/58336243773.pdf
    • https://cdn.shopify.com/s/files/1/0433/6130/4728/files/povusulalolufolimo.pdf
    • https://cdn.shopify.com/s/files/1/0428/8797/0975/files/cassese_international_criminal_law.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_off00004967.bin
ebb2e895e5180c567365a80edfc7d1c0fde8b6c3e137f7ae24eb2ade97cc96ae		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4967 5584 bytes
font_01_sfnt_off00005c33.bin
a92e3128b65ea1a2c0710d7c250f715aee09b9c0992b42be62de8684bb1deed4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C33 9572 bytes

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