Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e72e348dfa80b10…

MALICIOUS

PDF

42.4 KB Created: 2020-08-18 12:55:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 711bcdffb0918e8fbc7c77b9fb343f7b SHA-1: e2abc91d49377fb5458020af8ec5c47dbe33de55 SHA-256: 4e72e348dfa80b107c9f0fb0c4f37fc1d84e39cf5a9a902a8ec1edfe53002817
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=cairo+time+full+movie'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, many of which are hosted on Shopify. The document body, though heavily obfuscated, also contains the primary malicious URL. The combination of these factors strongly suggests a phishing or malware distribution attempt.

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=cairo+time+full+movie
    • http://files.five16filmfestival.com/uploads/1/3/1/0/131069781/vigufomederuwoxune.pdf
    • http://mejiver.elementaryschoolheads.org/uploads/1/3/1/4/131453293/5292265.pdf
    • http://files.alexstudio.bg/uploads/1/3/1/1/131164448/875fbb5e4c12d5.pdf
    • http://miwijek.teajutsu.com/uploads/1/3/1/1/131163635/duvuro.pdf
    • http://files.citiesbysara.com/uploads/1/3/1/0/131069875/begaselapatilur.pdf
    • https://cdn.shopify.com/s/files/1/0430/1396/3939/files/71956170575.pdf
    • https://cdn.shopify.com/s/files/1/0432/9085/3540/files/31305107580.pdf
    • https://cdn.shopify.com/s/files/1/0433/6982/4407/files/hidden_object_games_247.pdf
    • https://cdn.shopify.com/s/files/1/0432/8544/6824/files/90794969095.pdf
    • https://cdn.shopify.com/s/files/1/0432/8590/5576/files/fernando_pessoa_libro_del_desasosiego.pdf
    • https://cdn.shopify.com/s/files/1/0450/4931/5478/files/wasufapufokasu.pdf
    • https://cdn.shopify.com/s/files/1/0433/6808/7701/files/bargaining_for_advantage_2nd_edition.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_off00006952.bin
d59d11470c2276de038a5e3b893d56e5b436bc98c7cf6740ecf1f1f34687e8fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6952 4700 bytes
font_01_sfnt_off0000793f.bin
8612fba909fbfaa19e6d1f5b8a441fbc871f000c10152598b7a679930dd2937e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x793F 10788 bytes

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