Malicious PDF — malware analysis report

Static analysis result for SHA-256 96f6211f764dbfe6…

MALICIOUS

PDF

39.4 KB Created: 2020-09-17 02:36:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 025a97a4659061fce84e5235f7c13644 SHA-1: 389e40437d414949aae3685bc78f09ab08618d5a SHA-256: 96f6211f764dbfe63b01dccce3fc557de5ba015aa35022ba0ed41210c5e3efc7
150 Risk Score

Malware Insights

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

The PDF contains a link farm of numerous external PDF files, with one prominent link directing to a malicious redirector. The document body, though heavily obfuscated, contains the text 'Meet me in st gallen movie' and the malicious URL, suggesting a lure to a potentially harmful site. The presence of a link farm and a malicious redirector indicates a phishing or content-luring attack pattern.

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.club/wix?keyword=meet+me+in+st+gallen+movie
    • https://cdn.shopify.com/s/files/1/0440/0594/9590/files/45268771720.pdf
    • https://cdn.shopify.com/s/files/1/0432/2738/1920/files/58167107501.pdf
    • https://cdn.shopify.com/s/files/1/0433/0976/0667/files/wedding_photo_album_template.pdf
    • https://cdn.shopify.com/s/files/1/0431/2629/2629/files/biopsychosocial_assessment_template_doc.pdf
    • https://a5acf83d-17c6-4998-9eba-63eb76c0a874.filesusr.com/ugd/77941b_ad1807afff604ee39aebd0be494deb9b.pdf?index=true
    • https://791d5d79-2d47-4518-9a1b-751a726a8fbd.filesusr.com/ugd/9ef0c3_5fe87c8505e641e0a292ce4fd3ab3eb2.pdf?index=true
    • https://1dac2ae7-ced1-47d0-8cf9-9e91edff5941.filesusr.com/ugd/7fedcf_2eeb5096e26c4c31b32ada67b50a5297.pdf?index=true
    • https://0777f3c8-e29a-418b-b7d2-2e5b4a3c27d3.filesusr.com/ugd/61b8bf_df73745bdc0a47e28bf4390846c739bd.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0431/7642/7686/files/67732327250.pdf
    • https://cdn.shopify.com/s/files/1/0440/6870/0325/files/xumiganusuxibozuroj.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_off00005dd9.bin
a817925353e38e2576f83d202c5266dfaf3cc97c5abff56801c488fe5044c2cc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DD9 4976 bytes
font_01_sfnt_off00006ec6.bin
25f320b696e1144ee6a31959a32652df8c1694c0fba108c0b8982455a644142e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6EC6 10040 bytes

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