Malicious PDF — malware analysis report

Static analysis result for SHA-256 dff4fbfcc2228459…

MALICIOUS

PDF

48.3 KB Created: 2020-08-17 13:54:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 653e161fd9f46efa87e5f375d53156ed SHA-1: 938b5599f00dad3f630292f4e76323568b1603a8 SHA-256: dff4fbfcc2228459ad0da2eaa09a1b2787bfd4765f14e84f4c014675656a3846
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating a malicious redirector link. The embedded URL `https://ttraff.cc/pify?keyword=rajnigandha+song+ming` is identified as a known malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. No scripts were extracted, and the file type is PDF, indicating a likely phishing or redirection attempt.

Heuristics 2

  • 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.
  • 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=rajnigandha+song+ming
    • http://ruvefude.mw-earrings.com/uploads/1/3/2/8/132814930/3737519.pdf
    • https://cdn.shopify.com/s/files/1/0441/2735/5032/files/descriptive_essay_format.pdf
    • https://cdn.shopify.com/s/files/1/0427/6387/8566/files/wirokojiduzifovugitago.pdf
    • https://cdn.shopify.com/s/files/1/0433/3699/0885/files/76601320975.pdf
    • https://cdn.shopify.com/s/files/1/0435/2180/2404/files/68400272046.pdf
    • https://cdn.shopify.com/s/files/1/0437/7886/7354/files/constant_velocity_model_worksheet_2.pdf
    • https://cdn.shopify.com/s/files/1/0431/1724/8672/files/chord_progression_midi_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/5856/9115/files/kajafega.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_off0000809d.bin
ac59d8e7542314b7384e699e2e1e34061793368260eba3daf56bae7549b176dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x809D 5192 bytes
font_01_sfnt_off00009229.bin
7e97909436c20d4d184d4cd894786bd9f51430807f265efe53683fbdb5f5b364		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9229 10076 bytes

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