Malicious PDF — malware analysis report

Static analysis result for SHA-256 53bd54bbcc0169f1…

MALICIOUS

PDF

41.9 KB Created: 2020-08-24 21:07:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 74e0f25c0b18c53c68c446dde9bd779e SHA-1: b1080e5385de79f6b10c8039d826de8a4a0e5200 SHA-256: 53bd54bbcc0169f1e9e230f59b3c7c7102f1c535d9c74b1e7780231c0318a4e9
120 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to malicious infrastructure, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded URLs suggest a lure for pirated movie content, aiming to trick users into clicking the malicious link. The PDF_SEO_LINK_FARM heuristic indicates a large number of links, likely for SEO manipulation or to distribute the malicious payload across multiple domains. The primary malicious IOC is the redirector URL.

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=american+sniper+full+movie++in+tamilyogi
    • http://files.morroandjasp.com/uploads/1/3/0/9/130969375/wojerodijudo.pdf
    • https://cdn.shopify.com/s/files/1/0429/0058/6649/files/zanudipi.pdf
    • https://cdn.shopify.com/s/files/1/0458/0799/2998/files/67184287166.pdf
    • https://cdn.shopify.com/s/files/1/0431/6577/8076/files/arifureta_shokugyou_de_sekai_saikyou_light_novel_volume_6.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vidabuvuwegorowomilamum.pdf
    • https://cdn.shopify.com/s/files/1/0437/2260/4695/files/my_body_belongs_to_me_coloring_book.pdf
    • https://cdn.shopify.com/s/files/1/0434/6596/5718/files/gorinabubi.pdf
    • https://cdn.shopify.com/s/files/1/0440/6778/2821/files/93077875259.pdf
    • https://cdn.shopify.com/s/files/1/0433/5845/3918/files/29746675029.pdf
    • https://cdn.shopify.com/s/files/1/0439/1262/6344/files/lepaz.pdf
    • https://cdn.shopify.com/s/files/1/0428/9078/9027/files/golezukumunotukabipeja.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_off0000506c.bin
ed35ffc79b5a109be1fd6564ae263d8fe71ace26066a9edc6c9acde96920a12c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x506C 5484 bytes
font_01_sfnt_off00006305.bin
28fee45a12bae3f66812741a055fd8459ada7ef38922a0f2ee6e18035067b897		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6305 9928 bytes
font_02_sfnt_off0000852a.bin
c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x852A 16164 bytes

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