Malicious PDF — malware analysis report

Static analysis result for SHA-256 be80611545b13f6c…

MALICIOUS

PDF

32.7 KB Created: 2020-08-25 10:25:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 42a3738863d774ba1b1f12dba8dea41a SHA-1: c8ef06694c4ca650f70c80ba41a693b2ccc3f012 SHA-256: be80611545b13f6cfa4e173789c73284de1977f40e46f196653bb51daed177a4
120 Risk Score

Malware Insights

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

The PDF was flagged for containing a malicious redirector link and a large number of external links, suggesting a link farm or phishing lure. The primary malicious URL identified is ttraff.com, which is known for redirecting to malicious content. The document body contains garbled text and a reference to the malicious URL, further supporting the malicious intent.

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=cid+full+videos
    • http://files.mycousa.com/uploads/1/3/0/7/130740256/1313047.pdf
    • http://gigebila.heritageirishdance.com/uploads/1/3/1/8/131871699/1873750.pdf
    • http://files.windelfflutes.com/uploads/1/3/2/8/132814791/budekenirebuma.pdf
    • https://cdn.shopify.com/s/files/1/0428/6211/7020/files/how_many_pyre_sites.pdf
    • https://cdn.shopify.com/s/files/1/0428/1414/4675/files/34924895523.pdf
    • https://cdn.shopify.com/s/files/1/0430/6203/4589/files/47948316995.pdf
    • https://cdn.shopify.com/s/files/1/0431/8704/4515/files/tanoxosu.pdf
    • https://cdn.shopify.com/s/files/1/0428/1666/7815/files/57680899250.pdf
    • https://cdn.shopify.com/s/files/1/0432/7833/6165/files/speak_your_mind_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/5573/4166/files/96139960397.pdf
    • https://cdn.shopify.com/s/files/1/0435/4136/4890/files/fefarosanasifatixek.pdf
    • https://cdn.shopify.com/s/files/1/0433/9571/1132/files/collections_book_grade_8.pdf
    • https://cdn.shopify.com/s/files/1/0432/2017/2957/files/97897734371.pdf
    • https://cdn.shopify.com/s/files/1/0431/5611/1520/files/sumowutibemodoluzevitar.pdf
    • https://cdn.shopify.com/s/files/1/0432/1676/5088/files/7883669912.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/danedogorolulefumatexa.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_off00004696.bin
89015c23ee247e21d3c55d1faaadd21b49e29b97bf7f7cad4bc615916eec6a98		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4696 4560 bytes
font_01_sfnt_off00005631.bin
a9e6e50790c1d4bbb5c1fdfa298e4fa72c76b33f26fa70b235cca901a86cadf5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5631 9408 bytes

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