Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e25542219c0c338…

MALICIOUS

PDF

41.3 KB Created: 2020-08-14 06:10:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5617b843b6dbbb382103c62b51a71934 SHA-1: 618f1ba7fe440b9e4a178214176f84633143e6cb SHA-256: 9e25542219c0c33838552454b7997c154063596d939306ebd16c513092466f96
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, identified as a link farm. The primary malicious link, 'https://ttraff.com/pify?keyword=dls+real+madrid+logo', is a known malicious redirector. The document body, though heavily obfuscated, also contains this URL and other PDF links hosted on cdn.shopify.com, suggesting a coordinated effort to distribute malicious content through a network of linked documents.

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=dls+real+madrid+logo
    • http://belivimer.acmechassisfactory.com/uploads/1/3/1/0/131070420/54d73a7a37ae903.pdf
    • http://files.aokcollectibles.com/uploads/1/3/0/7/130776182/zikubaxatubuwujo.pdf
    • http://files.thenostalgics.org/uploads/1/3/0/7/130738870/d5cbd.pdf
    • http://files.haciendasdrywall.com/uploads/1/3/0/7/130738956/mozibizen.pdf
    • http://files.lfhhsonline.com/uploads/1/3/0/7/130775850/forave.pdf
    • https://cdn.shopify.com/s/files/1/0432/4173/4301/files/sipexekipurupi.pdf
    • https://cdn.shopify.com/s/files/1/0434/3562/2552/files/86239854787.pdf
    • https://cdn.shopify.com/s/files/1/0430/7314/2935/files/le_commensalisme.pdf
    • https://cdn.shopify.com/s/files/1/0438/1101/2770/files/60120050426.pdf
    • https://cdn.shopify.com/s/files/1/0431/4267/6648/files/suvasukogevovuzawase.pdf
    • https://cdn.shopify.com/s/files/1/0432/6106/7427/files/13689624714.pdf
    • https://cdn.shopify.com/s/files/1/0435/0181/3915/files/29862294518.pdf
    • https://cdn.shopify.com/s/files/1/0430/3713/0914/files/metabolic_syndrome_and_related_disorders.pdf
    • https://cdn.shopify.com/s/files/1/0437/6539/9713/files/pakedob.pdf
    • https://cdn.shopify.com/s/files/1/0433/1149/7366/files/19134717412.pdf
    • https://cdn.shopify.com/s/files/1/0431/3556/5990/files/92396253732.pdf
    • https://cdn.shopify.com/s/files/1/0436/1610/8701/files/6052144934.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_off00005e02.bin
5cda4df5e4db4f2236fc945f10e626fe7c128c4666053363b233aabc0836b484		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E02 5144 bytes
font_01_sfnt_off00006f66.bin
64b3a13c92183764d40fc368d65b43b3d6e5d1ce171d051a1d4765f7c9d1e27a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F66 13180 bytes

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