Malicious PDF — malware analysis report

Static analysis result for SHA-256 e63abdd88f17abae…

MALICIOUS

PDF

47.1 KB Created: 2020-08-15 09:17:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7d138106b80017cec80bda9ce91e82f7 SHA-1: e369064d2b321ed0b6b01be808f42822a742e173 SHA-256: e63abdd88f17abae8f4d87b52a48918dda43fa942d65c8752074ff2ff5326e8a
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, directing users to a URL that spoofs a service manual search. The document body, though heavily obfuscated, also contains this URL. The presence of numerous other embedded URLs, many pointing to domains that appear to host PDF files, suggests a link farm or redirection strategy. No scripts were extracted from this sample.

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.ru/wb?keyword=hypertherm%20powermax%201650%20service%20manual
    • http://tebivi.hayfieldsecondarychoirs.com/uploads/1/3/0/7/130775506/38c26b27d1.pdf
    • http://files.simplesweetskalamazoo.com/uploads/1/3/1/4/131407921/kukot-zufetavedos.pdf
    • http://boxaba.thefivegreenes.com/uploads/1/3/0/7/130776177/5a9ed.pdf
    • http://dubefoled.mksax.com/uploads/1/3/1/3/131380942/3168482.pdf
    • http://files.thebetterbrasspipe.com/uploads/1/3/2/7/132740218/daf3e1d8396c143.pdf
    • https://cdn.shopify.com/s/files/1/0434/0292/0086/files/dungeons_and_dragons_3._5.pdf
    • https://cdn.shopify.com/s/files/1/0431/7990/1085/files/gawuxidomofologimisufexun.pdf
    • https://cdn.shopify.com/s/files/1/0434/4319/1960/files/71888455972.pdf
    • https://cdn.shopify.com/s/files/1/0430/7252/0352/files/65433022122.pdf
    • https://cdn.shopify.com/s/files/1/0431/7465/8197/files/22772397915.pdf
    • https://cdn.shopify.com/s/files/1/0430/3293/6605/files/58451530868.pdf
    • https://cdn.shopify.com/s/files/1/0436/7217/4745/files/74230579411.pdf
    • https://cdn.shopify.com/s/files/1/0432/7296/2203/files/fodijobizusimuxarefe.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mozesuseb.pdf
    • https://cdn.shopify.com/s/files/1/0430/0963/8553/files/jemidajezeg.pdf
    • https://cdn.shopify.com/s/files/1/0429/9957/8773/files/zukibe.pdf
    • https://cdn.shopify.com/s/files/1/0435/2809/3850/files/cheer_mixes_2015.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_off00005df3.bin
7247a3b3167f7caf326be11c3c1ac9921720d5679c8fce36aac56d9dbbd8de0c
pdf-font-stream PDF embedded font (sfnt) at offset 0x5DF3 5808 bytes
font_01_sfnt_off000071bd.bin
4d3827d1ac8b8b50a46d439b4935e169c2b1135ab46da7ecdca267ee97fc9d07
pdf-font-stream PDF embedded font (sfnt) at offset 0x71BD 15384 bytes
font_02_sfnt_off0000a15e.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176
pdf-font-stream PDF embedded font (sfnt) at offset 0xA15E 4324 bytes