Malicious PDF — malware analysis report

Static analysis result for SHA-256 d465989d38a7f27f…

MALICIOUS

PDF

40.1 KB Created: 2020-08-15 02:42:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: afe72ae51209c144cb3b08850f971379 SHA-1: 5463bc96e383e1af41c86ddf94224b812cf81a70 SHA-256: d465989d38a7f27f1a4ad0e969f6434ea189515e336807cfd2c37b0c3716fe85
150 Risk Score

Malware Insights

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

The PDF contains a clear lure for a "maniac 2011 full movie" download, which is a common tactic for distributing malware or conducting phishing. The critical heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms that the embedded link `https://ttraff.cc/pify?keyword=maniac+2011+full+movie` points to known malicious infrastructure. Additionally, the 'PDF_SEO_LINK_FARM' heuristic indicates a large number of outbound links, many of which are to unknown domains, suggesting a broader malicious infrastructure. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=maniac+2011+full+movie
    • http://zifazuvo.mccsignup.com/uploads/1/3/1/0/131070036/munap.pdf
    • http://liwoguses.drcarriebrennan.com/uploads/1/3/0/9/130969588/lusakotijoderoxev.pdf
    • http://wufaw.talltaleswithpoppynwosu.com/uploads/1/3/1/4/131453177/fumapa-rezojavopugi.pdf
    • https://cdn.shopify.com/s/files/1/0433/3964/5093/files/advanced_english_lessons.pdf
    • https://cdn.shopify.com/s/files/1/0440/7400/8741/files/19027881271.pdf
    • https://cdn.shopify.com/s/files/1/0430/2965/9805/files/zupelesibininetalulujo.pdf
    • https://cdn.shopify.com/s/files/1/0432/0120/0288/files/virovadi.pdf
    • https://cdn.shopify.com/s/files/1/0432/0667/2546/files/chemistry_class_12_formula_sheet_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/9201/7305/files/types_of_nutritional_anemia.pdf
    • https://cdn.shopify.com/s/files/1/0432/2436/7262/files/52690223136.pdf
    • https://cdn.shopify.com/s/files/1/0439/1524/7771/files/hitman_blood_money_walkthrough.pdf
    • https://cdn.shopify.com/s/files/1/0433/3466/4347/files/wiramufel.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_off00005270.bin
392c1c18eaca9046c5fcb3d9ae5858001ebaedf7d36b1e0abf0ba2ea7f9443ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5270 5144 bytes
font_01_sfnt_off000063f6.bin
614a32858d9852cfbdd43ae7646259f015ad09feacae9e098141f3b3efafc6c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63F6 15072 bytes

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