Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6d7b82de6df7326…

MALICIOUS

PDF

35.7 KB Created: 2020-08-09 23:13:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 816d6b56733fdcc4cc943d6ac388577d SHA-1: 037f51b1e4184e082103e128cb4cfe85cc4bfee2 SHA-256: b6d7b82de6df73260e3bf78a6fe407b51123617820bc52265fb4136c903c0228
120 Risk Score

Malware Insights

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

The PDF contains a high number of external links, many of which point to suspicious domains, indicating a link farm for SEO manipulation or redirection. The primary redirector URL, https://ttraff.cc/pify?keyword=data+warehouse+lifecycle+toolkit+pdf+free+download, is flagged as malicious. This suggests the document's purpose is to trick users into clicking a link under the guise of a free download, leading them 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=data+warehouse+lifecycle+toolkit+pdf+free+download
    • http://pozorebi.bluegooseregina.com/uploads/1/3/1/6/131636725/0295c.pdf
    • http://gitud.cai-ohio.com/uploads/1/3/1/6/131636725/8483855.pdf
    • http://files.crgvt.org/uploads/1/3/1/0/131070325/mitazexowano_gifokede_kudefimibon.pdf
    • http://vugixox.gbmochas.org/uploads/1/3/1/3/131383657/10e38330.pdf
    • http://files.cameronshardware.com/uploads/1/3/1/3/131379590/panelefasipov_wipogozeju_vogewalumoko.pdf
    • https://cdn.shopify.com/s/files/1/0431/1695/3767/files/the_winner_s_kiss.pdf
    • https://cdn.shopify.com/s/files/1/0440/7253/4168/files/afcat_2_2020.pdf
    • https://cdn.shopify.com/s/files/1/0431/1282/4986/files/raaz_3_full_movis.pdf
    • https://cdn.shopify.com/s/files/1/0429/0261/8278/files/blanqueamiento_interno.pdf
    • https://cdn.shopify.com/s/files/1/0432/5674/2046/files/mamukobalurere.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/28650507632.pdf
    • https://cdn.shopify.com/s/files/1/0437/2906/0001/files/38159009408.pdf
    • https://cdn.shopify.com/s/files/1/0436/1895/9523/files/37142750840.pdf
    • https://cdn.shopify.com/s/files/1/0431/2757/0596/files/muvetaxasoge.pdf
    • https://cdn.shopify.com/s/files/1/0432/5015/5688/files/tukuxusaponamuxexigaxava.pdf
    • https://cdn.shopify.com/s/files/1/0432/4445/4051/files/xenabesir.pdf
    • https://cdn.shopify.com/s/files/1/0434/6534/3126/files/62975707650.pdf
    • https://cdn.shopify.com/s/files/1/0433/9862/7495/files/local_web_servers.pdf
    • https://cdn.shopify.com/s/files/1/0434/2788/9308/files/quantitative_aptitude_simplification_tricks.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004e38.bin
a9b521d1769447240f1bfae47b6e29d8d8d377f2547ccac13088650bff929c93
pdf-font-stream PDF embedded font (sfnt) at offset 0x4E38 5500 bytes
font_01_sfnt_off00006107.bin
9d3594ad1f488a0b1779983892a2fd8836af2da5cfb37837240ce248cdb7a9fe
pdf-font-stream PDF embedded font (sfnt) at offset 0x6107 9512 bytes