Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ea7af30c001fdca…

MALICIOUS

PDF

42.5 KB Created: 2020-08-14 17:17:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7bdd2071578b5f59085e75b95fdd288f SHA-1: 71ee57c02f38ac13171bfa187f23dff89094381d SHA-256: 1ea7af30c001fdcaedcea2c8cb79f76a8eefe250f5a4c7f37351d7a6f6f63ee6
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 external PDF files hosted on various domains. One critical heuristic indicates that the PDF links to a known malicious redirector infrastructure, specifically 'ttraff.cc', which is used to lure users to potentially harmful content. The document body also contains the URL 'https://ttraff.cc/pify?keyword=isaimini+movies+hd++2019', suggesting a lure related to movie downloads. The presence of a link farm and a malicious redirector strongly indicates a phishing or social engineering attack.

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.cc/pify?keyword=isaimini+movies+hd++2019
    • http://files.njaszn.com/uploads/1/3/1/4/131406885/zobigedokapegefutuv.pdf
    • http://files.mouseearmagic.com/uploads/1/3/2/3/132303133/xupubufogowaxuw_bawadigip_tiziluvu_rojewutufedu.pdf
    • https://cdn.shopify.com/s/files/1/0427/4146/5244/files/sakowulajigeronati.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zupapinited.pdf
    • https://cdn.shopify.com/s/files/1/0431/1285/7754/files/world_encyclopedia_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0428/3770/4867/files/moxovotofotowase.pdf
    • https://cdn.shopify.com/s/files/1/0441/2869/8520/files/72535691705.pdf
    • https://cdn.shopify.com/s/files/1/0433/3551/6318/files/47152632409.pdf
    • https://cdn.shopify.com/s/files/1/0429/1729/8329/files/john_deere_generator.pdf
    • https://cdn.shopify.com/s/files/1/0427/9622/0572/files/watapejuniva.pdf
    • https://cdn.shopify.com/s/files/1/0439/9860/9566/files/ayushman_bharat_scheme_form.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000042bc.bin
42a4df64b43b844b33ed36f29432aa28e0d1ff03aaacb4db77e371d71d0b5369		 pdf-font-stream PDF embedded font (sfnt) at offset 0x42BC 5124 bytes
font_01_sfnt_off000053ef.bin
90b385684fd824573fe41fb2bcc0edd82bc8f28f653c73ab49e79d65c137ec00		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53EF 9052 bytes
font_02_sfnt_off00006c2d.bin
31e965d7303ef0273a6cd58a473f0e68e5f0e79109bd10707a8539d15f774273		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C2D 9468 bytes
font_03_sfnt_off00008c81.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C81 4324 bytes

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