Malicious PDF — malware analysis report

Static analysis result for SHA-256 208fb84e81d73bb0…

MALICIOUS

PDF

51.3 KB Created: 2020-08-21 22:00:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a8e5784be2343699e28bd897a978e779 SHA-1: 2a444a79cb11d13d8a1e215a3034e77af05288b4 SHA-256: 208fb84e81d73bb01a655b527745ffa6465806f145aa33e85f1b194a25eb46d8
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.001 Malicious Link

The PDF contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating a link to known malicious infrastructure. The document body, though heavily obfuscated, contains text related to 'Action movies free 2019' and a URL that matches the redirector. This suggests a social engineering lure to trick users into visiting a malicious site, likely for further exploitation or malware delivery.

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.com/pify?keyword=action+movies+free++2019
    • http://files.bexcreations.net/uploads/1/3/0/7/130776518/4de8424e803f.pdf
    • https://cdn.shopify.com/s/files/1/0440/6280/2070/files/13381130928.pdf
    • https://cdn.shopify.com/s/files/1/0433/5550/4795/files/dracula_untold_2_full_movie.pdf
    • https://cdn.shopify.com/s/files/1/0434/2287/5813/files/tawategeruzeduwotobe.pdf
    • https://cdn.shopify.com/s/files/1/0429/6422/2101/files/lulamaj.pdf
    • https://cdn.shopify.com/s/files/1/0429/8270/3257/files/guvisibalokiforazotome.pdf
    • https://cdn.shopify.com/s/files/1/0432/7096/3350/files/39777337374.pdf
    • https://cdn.shopify.com/s/files/1/0433/8145/7061/files/37782254678.pdf
    • https://cdn.shopify.com/s/files/1/0460/3527/1844/files/sejarah_politik_malaysia.pdf
    • https://cdn.shopify.com/s/files/1/0436/8993/5002/files/arris_sbg6580_default_password.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_off000089c3.bin
d2676406ab1986ab2ac3b4c838db4441baf542b1954fed2954fc5ae4f350b951		 pdf-font-stream PDF embedded font (sfnt) at offset 0x89C3 5316 bytes
font_01_sfnt_off00009bc6.bin
d7d160eae1ebf2c7b2c31ff0e7d97ff68113cc1774f0c6cbc9fb87598603b1c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9BC6 10836 bytes

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