Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2c9cae2049bddd4…

MALICIOUS

PDF

48.0 KB Created: 2020-08-17 08:51:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 90f2e37033b0efca709b3c99cf1923a3 SHA-1: 8f72d6a2ebf618d4785f9ca2d09f61ac7feedea5 SHA-256: e2c9cae2049bddd42fae0d2fcf46caf4a54c5cf182eb715be74264bab0775046
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including one pointing to a known malicious redirector. The primary malicious link is https://ttraff.cc/pify?keyword=brittany+renner+judge+this+cover+book+pdf, which is likely used to redirect the user to a malicious site. The document body, though heavily obfuscated, contains references to this malicious URL, reinforcing its role in the attack.

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=brittany+renner+judge+this+cover+book+pdf
    • http://files.leadersoflanier.com/uploads/1/3/1/3/131384718/xetaturosugurubupeve.pdf
    • https://cdn.shopify.com/s/files/1/0429/3384/6175/files/dawn_of_the_jedi_into_the_void.pdf
    • https://cdn.shopify.com/s/files/1/0434/4479/7600/files/xotavetuweweka.pdf
    • https://cdn.shopify.com/s/files/1/0432/8367/7339/files/28980429761.pdf
    • https://cdn.shopify.com/s/files/1/0432/2436/7266/files/13_attributes_of_god_list.pdf
    • https://cdn.shopify.com/s/files/1/0427/6636/8935/files/10029142620.pdf
    • https://cdn.shopify.com/s/files/1/0440/6041/0006/files/gofizula.pdf
    • https://cdn.shopify.com/s/files/1/0434/5636/4709/files/13353488033.pdf
    • https://cdn.shopify.com/s/files/1/0429/0809/0535/files/asciidoctor_image_to_embed_not_found_or_not_readable.pdf
    • https://cdn.shopify.com/s/files/1/0437/0553/2569/files/52683558467.pdf
    • https://cdn.shopify.com/s/files/1/0432/4930/3720/files/48360036959.pdf
    • https://cdn.shopify.com/s/files/1/0428/3016/8230/files/33971896892.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_off00006d58.bin
f725bcacaed06d1e1a1c41f0a84c8f1915dab20b1c1f5293bbb751fae86bd110		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D58 5756 bytes
font_01_sfnt_off000080f8.bin
ae1604d786bf273de68a48b9dacc8e9468866677ef81fc443880f485bda2e403		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80F8 10680 bytes
font_02_sfnt_off0000a4f0.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA4F0 4324 bytes

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