Malicious PDF — malware analysis report

Static analysis result for SHA-256 c27207587ac7854f…

MALICIOUS

PDF

57.1 KB Created: 2020-08-16 01:03:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4e2a1a6f50bb7f18bef37b42e105dfa2 SHA-1: 3110978ba04853aa9a21b21c318cd058bbd2994d SHA-256: c27207587ac7854f261c076a322ce63293c8ef91d20cfad74c1551ca9f1695d3
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to benign Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text referencing "black eyed peas bebot hd video" and the malicious URL, suggesting a lure to trick users into visiting the redirector. The redirector likely serves as a gateway to further malicious content or exploits.

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.com/pify?keyword=black+eyed+peas+bebot+hd+video
    • http://files.nworldweiqi.com/uploads/1/3/1/4/131454523/5056024.pdf
    • http://files.nhbea.com/uploads/1/3/2/6/132696104/godolatogimob-zetus.pdf
    • https://cdn.shopify.com/s/files/1/0435/4621/4564/files/treble_booster_app_for_android_phone.pdf
    • https://cdn.shopify.com/s/files/1/0431/7832/8224/files/geluzovutag.pdf
    • https://cdn.shopify.com/s/files/1/0428/8443/2031/files/xisoweraxogubipemom.pdf
    • https://cdn.shopify.com/s/files/1/0433/4298/7422/files/love_ceramic_tiles_catalogue.pdf
    • https://cdn.shopify.com/s/files/1/0428/1974/7999/files/44315746633.pdf
    • https://cdn.shopify.com/s/files/1/0431/6535/2097/files/40234900374.pdf
    • https://cdn.shopify.com/s/files/1/0432/3803/1518/files/sipetadolovapog.pdf
    • https://cdn.shopify.com/s/files/1/0436/1935/2740/files/birthday_cake_coloring_pages.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_off00007c57.bin
6d9c7c66b0c8b3c4fc7c9eae88437112a09678c479e98abdf454b303284f8085		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C57 7408 bytes
font_01_sfnt_off00009573.bin
062c9c88d02518a0df8bfabbf1c6b0119f1c32c23a84aae39a96d8f1bded6966		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9573 5480 bytes
font_02_sfnt_off0000a80f.bin
743a9111aa37061bd37edad8f3447ab16f781b6161e5866b7b0ffb8a7e20d9fe		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA80F 15436 bytes

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