Malicious PDF — malware analysis report

Static analysis result for SHA-256 48573dc08c41ec2d…

MALICIOUS

PDF

40.6 KB Created: 2020-08-06 11:01:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: be662bfbf51f614f660a5d70210605a1 SHA-1: 603808be456ce02f16ea6f51d682d5dd33badff2 SHA-256: 48573dc08c41ec2d32509f79282aed5456192c813c75603af55271148f150a57
150 Risk Score

Malware Insights

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

The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the critical PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains a URL that appears to be part of this redirection scheme. The presence of numerous external PDF links suggests a tactic to distribute malicious content or traffic. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious nature of this document.

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.ru/pify?keyword=honda+cb+shine+spare+parts+catalogue+pdf
    • http://files.lovelaughterhopehealing.com/uploads/1/3/0/8/130814219/xogesakunukireza.pdf
    • http://files.beautifulbelliesdoulacare.ca/uploads/1/3/1/6/131636728/3856368.pdf
    • http://files.bopscifair.org.nz/uploads/1/3/0/7/130775471/tivulodivepalaj.pdf
    • https://cdn.shopify.com/s/files/1/0435/6702/2239/files/80314033042.pdf
    • https://cdn.shopify.com/s/files/1/0431/8127/7345/files/kuvis.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pamuzinesikajojefex.pdf
    • https://cdn.shopify.com/s/files/1/0432/5038/5051/files/papexarerexeturaroz.pdf
    • https://cdn.shopify.com/s/files/1/0432/7555/0876/files/34184385651.pdf
    • https://cdn.shopify.com/s/files/1/0438/2588/9442/files/pugitagin.pdf
    • https://cdn.shopify.com/s/files/1/0428/4183/3635/files/96935217022.pdf
    • https://cdn.shopify.com/s/files/1/0427/7056/3239/files/71208128661.pdf
    • https://cdn.shopify.com/s/files/1/0436/1427/3693/files/agrippa_three_books.pdf
    • https://cdn.shopify.com/s/files/1/0430/6858/8194/files/74944137604.pdf
    • https://cdn.shopify.com/s/files/1/0429/1729/8329/files/63340776737.pdf
    • https://cdn.shopify.com/s/files/1/0428/0510/0707/files/60868712487.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_off00005f0b.bin
6680563800ec0c0a2496f177cff120d4256eab5ab0615dce6bc32b2b5d723ff9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F0B 5516 bytes
font_01_sfnt_off000071bd.bin
27fc6d687b021418b7f741d00a2915268b3fbbb17b2ee13ccb73897131b4aa11		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71BD 10684 bytes

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