Malicious PDF — malware analysis report

Static analysis result for SHA-256 d927f6920e99ad83…

MALICIOUS

PDF

60.6 KB Created: 2020-08-01 05:39:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 622a1b62905c1407134adaece865c9cb SHA-1: e48095127cfd53a1e79f59f287490bee3042e43b SHA-256: d927f6920e99ad8314e8d634b348133bdd52689787d436309b5635966fd5da6f
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded URLs, with one identified as a malicious redirector pointing to 'https://ttraff.com/pify?keyword=1995+mustang+convertible'. The presence of a link farm heuristic further suggests an attempt to obscure the final destination or distribute content across multiple domains. The document body contains garbled text but also includes the redirector URL and other PDF file links, indicating a likely phishing or malware delivery 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.com/pify?keyword=1995+mustang+convertible
    • http://files.michelleangeliqueart.com/uploads/1/3/1/8/131856569/10706220a8.pdf
    • http://files.mhhummingbird.com/uploads/1/3/1/4/131405958/2218288b.pdf
    • http://files.kellerbassteam.com/uploads/1/3/0/7/130776081/2b1e5ced2d292.pdf
    • http://files.lennysimagination.com/uploads/1/3/1/8/131857334/31c0a88.pdf
    • https://cdn.shopify.com/s/files/1/0437/4115/1386/files/zemamokuzazifosiloz.pdf
    • https://cdn.shopify.com/s/files/1/0433/1434/8197/files/69931693581.pdf
    • https://cdn.shopify.com/s/files/1/0431/4421/6730/files/air_on_g_string_guitar.pdf
    • https://cdn.shopify.com/s/files/1/0427/9785/8972/files/gibebuvudomodaketerumes.pdf
    • https://cdn.shopify.com/s/files/1/0432/2977/3982/files/jubazurux.pdf
    • https://cdn.shopify.com/s/files/1/0439/9045/0334/files/jusevidovajelunuri.pdf
    • https://cdn.shopify.com/s/files/1/0432/1722/3847/files/47656217449.pdf
    • https://cdn.shopify.com/s/files/1/0431/5319/5165/files/hex_code_for_white.pdf
    • https://cdn.shopify.com/s/files/1/0434/0717/9941/files/35725548287.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/84602765162.pdf
    • https://cdn.shopify.com/s/files/1/0437/7808/0925/files/selekovomexitotose.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008f7a.bin
58cf734b93053135ded242d62936bdcfa75fafdf3277da2c560741d492dc62ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8F7A 5556 bytes
font_01_sfnt_off0000a25c.bin
4f80d658e6d9a1ac3ccbf2d84d0e07e6071c45a3c8b40552b8630040e99c1e3f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA25C 14680 bytes
font_02_sfnt_off0000d0e5.bin
713933360072c9d59346590fad668f98c3603c6d2b72ed941ce85481f6af0b74		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD0E5 16060 bytes

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