Malicious PDF — malware analysis report

Static analysis result for SHA-256 241ada03285cc08b…

MALICIOUS

PDF

48.2 KB Created: 2020-08-20 07:10:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3acaea1baf94508fb84c102638f8aaf4 SHA-1: dee6519ec8f2e42452a5c174e09b90e6cf550954 SHA-256: 241ada03285cc08b17d98a00d43d9091ee980f2ecd9f1d6ebef5efabae85d72c
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=autonics+tc3yt+temperature+controller+manual'. Additionally, a PDF link farm heuristic indicates the presence of numerous external links, with the first being 'https://cdn.shopify.com/s/files/1/0437/7709/7886/files/66004031457.pdf'. The document body, though heavily obfuscated, contains the same URL as the redirector. This suggests the primary goal is to redirect the user to malicious infrastructure.

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.cc/pify?keyword=autonics+tc3yt+temperature+controller+manual
    • http://dudas.ryandawalt.com/uploads/1/3/1/4/131453358/6767968.pdf
    • https://cdn.shopify.com/s/files/1/0437/7709/7886/files/66004031457.pdf
    • https://cdn.shopify.com/s/files/1/0433/5665/1669/files/que_es_la_fascia.pdf
    • https://cdn.shopify.com/s/files/1/0433/7745/9363/files/sujizawujax.pdf
    • https://cdn.shopify.com/s/files/1/0432/5523/4710/files/ryobi_bt3000_table_saw.pdf
    • https://cdn.shopify.com/s/files/1/0434/0364/0993/files/jugekagisoketapegamibop.pdf
    • https://cdn.shopify.com/s/files/1/0434/5544/7202/files/email_attachment_in_c.pdf
    • https://cdn.shopify.com/s/files/1/0428/6545/9366/files/i_am_britney_jean_documentary.pdf
    • https://cdn.shopify.com/s/files/1/0432/8806/8254/files/30839678638.pdf
    • https://cdn.shopify.com/s/files/1/0432/0883/5229/files/tenacious_d_tribute_lyrics.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/
    • https://cdn.shopify.com/s/files/1/0434/5544/7202/files/email_attachment_in_

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000071cf.bin
baab30a0408a65a795143a153bec72c5944b80b3b93ec54ade23ba6092fef407		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71CF 5332 bytes
font_01_sfnt_off000083df.bin
b2f96ccad56af28f0d8b7a6ddbebb596aa8fa96ffa2b957aed93b949617f2f27		 pdf-font-stream PDF embedded font (sfnt) at offset 0x83DF 15360 bytes

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