Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0b3de64c180a8df…

MALICIOUS

PDF

46.9 KB Created: 2020-09-02 16:54:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4d36f97e899875bfc478b88ede442ff6 SHA-1: efa0e5d925865f2b7d11e9c843baa56b9a106e31 SHA-256: f0b3de64c180a8df0793901d6471feddba040f0537434f9d01155e8b7b961b61
120 Risk Score

Malware Insights

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

The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically to 'https://ttraff.club/wix?keyword=information+report+graphic+organiser'. This technique is often used to obscure the final malicious destination and to improve search engine ranking for malicious content. The document body, though heavily obfuscated, contains the same lure text as the malicious URL, suggesting a social engineering attempt to trick the user into clicking the link.

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.club/wix?keyword=information+report+graphic+organiser
    • https://static.usrfiles.com/ugd/ad2ade_5494cfc916da47be9c4bef9f08b1a4df.pdf
    • https://static.usrfiles.com/ugd/bae363_2e9b5166a56e4de5aee0fda0c29917e0.pdf
    • https://static.usrfiles.com/ugd/dc6899_5338edaff4a946188cf01c2e05ff5b4a.pdf
    • https://static.usrfiles.com/ugd/67e251_aaca9911d0a44d67afe765b3b947423a.pdf
    • https://cdn.shopify.com/s/files/1/0432/9324/5590/files/penaleken.pdf
    • https://cdn.shopify.com/s/files/1/0433/4511/7342/files/nusabiripijuwoje.pdf
    • https://cdn.shopify.com/s/files/1/0432/1571/6516/files/88259456248.pdf
    • https://cdn.shopify.com/s/files/1/0437/6569/4613/files/jipunuxederojusubu.pdf
    • https://static.usrfiles.com/ugd/1fbf8b_2aaad4923dd3423f9b6f965f7c622687.pdf
    • https://static.usrfiles.com/ugd/63d3ad_ec8fb61d8d9d445c81d32cffbb410218.pdf
    • https://static.usrfiles.com/ugd/b8c837_e7e0b3ce968343c2bab98d79d3275bbd.pdf
    • https://static.usrfiles.com/ugd/03ae60_e648a23e5ad64e60b012738a0313d19c.pdf
    • https://static.usrfiles.com/ugd/c12414_d4d3b6e061f040ceacf13521a0c689bb.pdf
    • https://cdn.shopify.com/s/files/1/0430/8199/0293/files/51245367064.pdf
    • https://cdn.shopify.com/s/files/1/0429/8620/9439/files/wusidu.pdf
    • https://cdn.shopify.com/s/files/1/0427/3173/3159/files/shadowing_japanese_free.pdf
    • https://cdn.shopify.com/s/files/1/0434/7923/6773/files/airline_codes_iata.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006c4b.bin
9bb8bd9464c53459a5741b905dc2e12da94050944ec076dbda1ebaa67c593e0b
pdf-font-stream PDF embedded font (sfnt) at offset 0x6C4B 5120 bytes
font_01_sfnt_off00007d7f.bin
ca3eacbcb8f97ede787a36a0fb729398b02f44bfa8adc420624193ba7104ac9f
pdf-font-stream PDF embedded font (sfnt) at offset 0x7D7F 10024 bytes
font_02_sfnt_off00009fc9.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361
pdf-font-stream PDF embedded font (sfnt) at offset 0x9FC9 4324 bytes