Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd1d2dad35270e6b…

MALICIOUS

PDF

46.2 KB Created: 2020-08-11 17:01:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4240a7d0cfc64fe73329bf09b718f4d2 SHA-1: 32f3ff20d9ca165d4b5e826c1abcb6b183bb61c1 SHA-256: fd1d2dad35270e6bab99d1429c5ed57a45a1d2c97094a4fe1ff24333944fca0f
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 domains associated with link farms and redirectors. The primary malicious link identified is https://ttraff.ru/pify?keyword=hal+foster+the+anti+aesthetic+pdf, which is flagged as a known malicious redirector. The document body, though heavily obfuscated, also contains this URL and other links hosted on Shopify, suggesting a tactic to distribute malicious content through seemingly legitimate platforms. No scripts were extracted, limiting the analysis to the PDF structure and embedded URLs.

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/pify?keyword=hal+foster+the+anti+aesthetic+pdf
    • http://files.mobile-autoelectrical.com/uploads/1/3/0/8/130874457/zomimajolefedufinoxi.pdf
    • http://nekuju.treherbertbowlsclub.co.uk/uploads/1/3/2/3/132302936/5214994.pdf
    • http://files.etherealtoneworks.com/uploads/1/3/1/3/131379060/widebu.pdf
    • http://vujazol.sophieyufeitang.com/uploads/1/3/2/6/132681590/2d15f9b8e.pdf
    • http://files.outofthedarknessgriefsupport.com/uploads/1/3/0/8/130813738/3730870.pdf
    • https://cdn.shopify.com/s/files/1/0431/0056/9753/files/moforabubalu.pdf
    • https://cdn.shopify.com/s/files/1/0437/2057/3080/files/90584195805.pdf
    • https://cdn.shopify.com/s/files/1/0428/2440/1063/files/runir_plusieurs_en_1_seul.pdf
    • https://cdn.shopify.com/s/files/1/0429/2270/5055/files/sifigusotutalimadutuli.pdf
    • https://cdn.shopify.com/s/files/1/0428/1283/3959/files/40200738618.pdf
    • https://cdn.shopify.com/s/files/1/0427/6820/3942/files/16630727106.pdf
    • https://cdn.shopify.com/s/files/1/0432/1309/5067/files/junopijodokupugariru.pdf
    • https://cdn.shopify.com/s/files/1/0429/7133/2767/files/bhagavad_gita_as_it_is_iskcon.pdf
    • https://cdn.shopify.com/s/files/1/0438/0976/7584/files/10666373628.pdf
    • https://cdn.shopify.com/s/files/1/0429/7526/4924/files/fonefudisezim.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_off000066f5.bin
4ab9302f62283623ed8c26fdf6365f6298dc4f2888e09318eb93e6a30ed3b9cd
pdf-font-stream PDF embedded font (sfnt) at offset 0x66F5 4992 bytes
font_01_sfnt_off000077d7.bin
a4580302a87f0bd6e66b7ea4ac778a03057f0747a025a4f0eb35ec3f4e1ed34c
pdf-font-stream PDF embedded font (sfnt) at offset 0x77D7 11596 bytes
font_02_sfnt_off00009dca.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333
pdf-font-stream PDF embedded font (sfnt) at offset 0x9DCA 4324 bytes