Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a4216b2672739ef…

MALICIOUS

PDF

46.6 KB Created: 2020-09-14 02:51:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ef0f445c23131a45bad50aa6adbb33a SHA-1: 7c9922a05e93dab093febfccc4d9dc1f7b782754 SHA-256: 2a4216b2672739ef79a398150e5cd9e3125673f98a566f7d6c20e0f85bf99dcf
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one heuristic specifically identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'live tv app for android apk download' and a URL that matches the malicious redirector. This suggests the document's primary purpose is to trick users into downloading potentially harmful applications via a malicious link.

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/pify?keyword=live+tv+app+for+android+apk+download
    • http://files.mckeenfund.org/uploads/1/3/2/8/132814306/matevitanovomisa.pdf
    • http://ruzog.lansingrenegades.org/uploads/1/3/2/8/132814930/pepufiwemup_mepodonitixepur.pdf
    • http://files.yusofgajahlingard.com/uploads/1/3/0/8/130813489/b8d83bdc2f0f83.pdf
    • https://static.usrfiles.com/ugd/98d33d_0d8e0e5998be4f8b9e501a628ad55145.pdf
    • https://static.usrfiles.com/ugd/e3325f_53f95f37e8ac49a0892f7979b3312f3b.pdf
    • https://static.usrfiles.com/ugd/a4e402_67b803093b12466eaee2f3e09d520607.pdf
    • https://static.usrfiles.com/ugd/d954c5_9c670f03635d4efbb6a9edbdb8ddc58d.pdf
    • https://cdn.shopify.com/s/files/1/0432/5166/3012/files/gimiwuxapetafotazexasuri.pdf
    • https://cdn.shopify.com/s/files/1/0436/2380/9187/files/android_developer_guidelines.pdf
    • https://static.usrfiles.com/ugd/c81504_b98b956c215d4d1db0d6042c5696739b.pdf
    • https://static.usrfiles.com/ugd/7a7fb1_598a9b3a1b0740a7ab595c845493f28f.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_off000072d5.bin
3c66d93ea8ba5ad29370595615ec14c6839df1e4e87b4316676ed5381e3a7b45		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72D5 5012 bytes
font_01_sfnt_off00008413.bin
04ce02605705bab7246883938dc29766d3a47ff9de28488edc4488e87344d1ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8413 12676 bytes

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