Malicious PDF — malware analysis report

Static analysis result for SHA-256 84709bf320142fcb…

MALICIOUS

PDF

50.6 KB Created: 2020-08-02 21:12:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a76a20504aec155b09925692b73f654e SHA-1: 123151f719cb9fd43974cea97356c3789334e496 SHA-256: 84709bf320142fcb003dd0af82150aebb7fc340695a28d008a91fa657e978600
150 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.cc/pify?keyword=react+search+bar'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links, many pointing to Shopify domains. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the malicious URL, suggesting the primary intent is to lure the user to this external resource.

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.cc/pify?keyword=react+search+bar
    • http://files.lainejaderbergassociates.com/uploads/1/3/2/7/132710491/7192205.pdf
    • http://files.heatherannette.com/uploads/1/3/1/8/131856195/9384597c663ff.pdf
    • http://files.fourcolneshorticulturalsociety.com/uploads/1/3/0/9/130969999/wetoramele.pdf
    • http://files.bennettfamily.info/uploads/1/3/1/4/131408913/bb119a425830f69.pdf
    • https://cdn.shopify.com/s/files/1/0432/6067/4198/files/gumopaxusaxinolipojizoker.pdf
    • https://cdn.shopify.com/s/files/1/0433/5288/3352/files/33323461332.pdf
    • https://cdn.shopify.com/s/files/1/0431/4837/8280/files/titazisibuzafaful.pdf
    • https://cdn.shopify.com/s/files/1/0437/9528/4130/files/attack_on_titan_soundtrack.pdf
    • https://cdn.shopify.com/s/files/1/0432/3940/7784/files/kusowadegexazexefufelu.pdf
    • https://cdn.shopify.com/s/files/1/0431/8894/5064/files/dunukaziwazaz.pdf
    • https://cdn.shopify.com/s/files/1/0433/6241/8846/files/tidugudiz.pdf
    • https://cdn.shopify.com/s/files/1/0433/9580/9431/files/litovezekowureka.pdf
    • https://cdn.shopify.com/s/files/1/0431/5742/2229/files/30619089503.pdf
    • https://cdn.shopify.com/s/files/1/0433/6487/6444/files/fosakigu.pdf
    • https://cdn.shopify.com/s/files/1/0436/1139/0115/files/junupavipu.pdf
    • https://cdn.shopify.com/s/files/1/0433/5524/2655/files/2603978181.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_off00007f15.bin
582c3f287601108593bea63a8655857f7f14ab6644d0d58d5648c3152fe7bb5a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F15 5004 bytes
font_01_sfnt_off00009015.bin
a7828341e492374c9e478630d2969c09fd34b75fd152bdf62aaed0866055ee3a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9015 14192 bytes

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