Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dfc5a7b708c00b4…

MALICIOUS

PDF

40.2 KB Created: 2020-08-08 12:13:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3afa629c7727c3832c3587ae39405dde SHA-1: b77d1f1a47e8ef49bd714b09b7a287af4059ec9e SHA-256: 3dfc5a7b708c00b45e7600029f81f7459e1e6957ee4db5d70174e1d78cea5534
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, with a critical heuristic firing indicating a link farm pointing to a malicious redirector. The primary malicious URL identified is https://ttraff.com/pify?keyword=niv+faithlife+study+bible+pdf, which likely serves as a gateway to a phishing or malware distribution site. The presence of numerous other links, many hosted on Shopify, suggests an attempt to obscure the true malicious intent and potentially leverage legitimate platforms for hosting.

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=niv+faithlife+study+bible+pdf
    • http://dudam.opticnervearts.com/uploads/1/3/2/6/132681409/zudoso-zudidorotux-zipotivari.pdf
    • http://files.manitobalivinghistory.com/uploads/1/3/0/7/130776484/4903728.pdf
    • http://files.bonejourdoggiebandb.com/uploads/1/3/0/7/130740049/dugumopukadonitosodo.pdf
    • http://files.tallahasseechinesemedicine.com/uploads/1/3/1/4/131483361/4324964.pdf
    • https://cdn.shopify.com/s/files/1/0438/3119/7856/files/kifilaxizeta.pdf
    • https://cdn.shopify.com/s/files/1/0434/5459/5225/files/sowosix.pdf
    • https://cdn.shopify.com/s/files/1/0440/0994/7301/files/94190940054.pdf
    • https://cdn.shopify.com/s/files/1/0430/7949/9940/files/pandas_bar_plot.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/japoxotoruzub.pdf
    • https://cdn.shopify.com/s/files/1/0434/6983/2342/files/lidatukatigo.pdf
    • https://cdn.shopify.com/s/files/1/0427/9340/2534/files/26890530242.pdf
    • https://cdn.shopify.com/s/files/1/0434/6114/8837/files/xulagetigugawemu.pdf
    • https://cdn.shopify.com/s/files/1/0438/2218/6653/files/wifuximaxiseduwug.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_off00005ee1.bin
32c662caad23669450f468d069129e8dce915c956c4a60f24dc8b107a60e0e3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EE1 5304 bytes
font_01_sfnt_off000070fc.bin
4fc83bce6167cb2ca2c1e547dae440d6872a24f4a67f767c1abf0e4e4edcdeb8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70FC 10388 bytes

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