Malicious PDF — malware analysis report

Static analysis result for SHA-256 53a442780c4e55ee…

MALICIOUS

PDF

32.1 KB Created: 2020-08-29 04:42:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 85ccfc4599e02aff43507928abfbcb08 SHA-1: e7973be147e45cc293e8187af95e63b87c0768d5 SHA-256: 53a442780c4e55eef7a89a2608d2e134109edd8a1ae9209af67a4a29ea0944cc
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including a critical link to a known malicious redirector at 'https://ttraff.me/wix?keyword=night+literature+guide+secondary+sol'. This suggests the document is designed to redirect users to malicious sites, likely for phishing or malware distribution. The document body, though heavily obfuscated, contains the same lure text and URLs found in the heuristics, reinforcing the malicious intent.

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.me/wix?keyword=night+literature+guide+secondary+sol
    • https://static.usrfiles.com/ugd/b8c837_88251c5cf7af4a6bbbae50137896aeeb.pdf
    • https://static.usrfiles.com/ugd/b8c837_d4d157925e36458f937b21fb2563219e.pdf
    • https://static.usrfiles.com/ugd/b8c837_edf37f2f5d4346be903f9a7f352090dd.pdf
    • https://static.usrfiles.com/ugd/b8c837_ed579ad385854d5c88d434ac03084648.pdf
    • https://cdn.shopify.com/s/files/1/0433/4131/6249/files/database_reliability_engineering_download.pdf
    • https://cdn.shopify.com/s/files/1/0438/2926/4546/files/pogisi.pdf
    • https://cdn.shopify.com/s/files/1/0434/7143/7984/files/99240367705.pdf
    • https://cdn.shopify.com/s/files/1/0431/0591/0935/files/juruvifugoxidifogexakanus.pdf
    • https://cdn.shopify.com/s/files/1/0429/5216/3481/files/zenofisuzudim.pdf
    • https://cdn.shopify.com/s/files/1/0434/6665/3858/files/ansys_apdl_examples.pdf
    • https://cdn.shopify.com/s/files/1/0451/1747/2922/files/73640478015.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62856854762.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_off00004206.bin
ea60915d93377f81d6123e4a9edee5046e71a78f38dee9305db8491716a7f032		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4206 5272 bytes
font_01_sfnt_off000053f3.bin
62fb8a3b6bdfaab4b2692d2cfd32259b9b1a74ee7e75c569a1352e544fede5fe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53F3 9360 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.