Malicious PDF — malware analysis report

Static analysis result for SHA-256 c979cf80888e4e53…

MALICIOUS

PDF

49.6 KB Created: 2020-08-29 17:07:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6a0d6669f4173e9ea9d887f2371ffd36 SHA-1: 555660b6c9ca268942296fdbd50f467dc3dbde32 SHA-256: c979cf80888e4e53c85d50133b4efad93ea8ecc4bd1b20b4a0e53afa7c723b6a
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating it's a malicious redirector. One of the primary links, 'https://ttraff.club/wix?keyword=2019+new+movies++in+madras+rockers', is identified as a malicious redirector. The document body, though heavily obfuscated, contains this URL and references to movie-related content, suggesting a lure to drive traffic to malicious infrastructure. The presence of a large number of external PDF links also indicates a link farm strategy.

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.club/wix?keyword=2019+new+movies++in+madras+rockers
    • https://cdn.shopify.com/s/files/1/0435/6807/0824/files/gatebasebolal.pdf
    • https://cdn.shopify.com/s/files/1/0435/9667/7279/files/76695944219.pdf
    • https://cdn.shopify.com/s/files/1/0429/9295/9642/files/bawutes.pdf
    • https://cdn.shopify.com/s/files/1/0429/4233/3084/files/daxasujal.pdf
    • https://static.usrfiles.com/ugd/b8c837_cd9af357b2694a81ad65a61be7d8105b.pdf
    • https://static.usrfiles.com/ugd/b8c837_e0cc46f18ff542b3bfe17710fee3003e.pdf
    • https://static.usrfiles.com/ugd/7598fa_89caf02a48fe45dda2bce69aeda6059a.pdf
    • https://cdn.shopify.com/s/files/1/0432/8760/9497/files/dofogasemo.pdf
    • https://cdn.shopify.com/s/files/1/0451/1966/8377/files/69528799454.pdf
    • https://cdn.shopify.com/s/files/1/0436/0844/0995/files/3d_video_player_for_windows_10.pdf
    • https://cdn.shopify.com/s/files/1/0427/4411/9462/files/50744427772.pdf
    • https://cdn.shopify.com/s/files/1/0431/3058/5250/files/65438755456.pdf
    • https://cdn.shopify.com/s/files/1/0438/9827/3944/files/77289355820.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_off00006cba.bin
24e18289157b31b0ac7d1867eedaa66b952ed823b719f7209c772f45c27f3e4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CBA 5656 bytes
font_01_sfnt_off00007ff3.bin
c7490e2b594ea8af647a1e486d774fbd659cf5a247b1911a16abf17574327445		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FF3 10504 bytes
font_02_sfnt_off0000a416.bin
c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA416 16164 bytes

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