Malicious PDF — malware analysis report

Static analysis result for SHA-256 402ae4b939d7a50e…

MALICIOUS

PDF

119.3 KB Created: 2020-08-23 21:40:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4f29372733146d8ac75092538c424984 SHA-1: b8552dfa56bde397acae7b089054555a43dcb4d3 SHA-256: 402ae4b939d7a50ee01e5d3773989551a17b941e39ee6073f10265d5d8aa61bb
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=bollywood+dance+hits+free'. Additionally, it exhibits characteristics of a PDF SEO link farm, embedding numerous external links, including one to 'https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wadilizesiwegokadokepub.pdf'. The document body, though heavily obfuscated, contains the visible lure text and the malicious URL, suggesting a phishing or redirection 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=bollywood+dance+hits+free
    • http://files.danielleadoverspike.com/uploads/1/3/2/6/132681066/bovevewerokil.pdf
    • http://lapujix.huntingtownfootball.com/uploads/1/3/0/7/130738943/2886803.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wadilizesiwegokadokepub.pdf
    • https://cdn.shopify.com/s/files/1/0438/1127/4914/files/conjunctivitis_viral_vs_bacteriana.pdf
    • https://cdn.shopify.com/s/files/1/0428/9350/8771/files/kuvokekuniwodojifuzadom.pdf
    • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/57472998460.pdf
    • https://cdn.shopify.com/s/files/1/0431/3251/8555/files/47595129689.pdf
    • https://cdn.shopify.com/s/files/1/0444/6437/3927/files/project_plan_milestones_and_deliverables_template.pdf
    • https://cdn.shopify.com/s/files/1/0429/0281/4876/files/70297178450.pdf
    • https://cdn.shopify.com/s/files/1/0429/2768/5798/files/67332051390.pdf
    • https://cdn.shopify.com/s/files/1/0431/0299/4586/files/41242297767.pdf
    • https://cdn.shopify.com/s/files/1/0432/5795/4467/files/55634220186.pdf
    • https://cdn.shopify.com/s/files/1/0437/6775/8999/files/mowigupidefovafuminu.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_off00019124.bin
d47c2dd04a018c6f431fee3c025b080876578722dfc850f181de58c140bcbbc1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x19124 5352 bytes
font_01_sfnt_off0001a368.bin
ee9727115208b3ace13435f01f91f2b5ce66f81fed825a97022c863fd5a81d0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1A368 14540 bytes

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