Malicious PDF — malware analysis report

Static analysis result for SHA-256 3530f10187cc7d96…

MALICIOUS

PDF

43.2 KB Created: 2020-08-24 16:50:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47f0c044a4ad5415bc5430e39a180d67 SHA-1: f9d2488fa136f0c13c91e4f9e5207de1335a3887 SHA-256: 3530f10187cc7d96eb083d45d7880f7c28c5118ec898c585a7a9b19fe1b0baef
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a malicious redirector. The document body, though partially corrupted, contains text referencing 'Breath of the wild official guide' and a URL pointing to a redirector. This suggests a social engineering lure to trick users into visiting malicious sites, likely for further malware delivery or phishing. The presence of a link farm heuristic further supports the malicious intent of distributing external links.

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=breath+of+the+wild+official+guide
    • http://files.shenandoahebr.org/uploads/1/3/1/3/131379833/futisitiz_befibelesed.pdf
    • http://masapu.hdasussexbranch.org.uk/uploads/1/3/0/7/130740558/482993.pdf
    • http://tolukeme.foxchapelnewcomers.org/uploads/1/3/0/8/130814328/tunaxosija.pdf
    • https://cdn.shopify.com/s/files/1/0438/2988/7136/files/gatata.pdf
    • https://cdn.shopify.com/s/files/1/0429/4118/6215/files/33250836470.pdf
    • https://cdn.shopify.com/s/files/1/0438/9172/0347/files/lsl_on_rez.pdf
    • https://cdn.shopify.com/s/files/1/0439/1324/8923/files/77237454183.pdf
    • https://cdn.shopify.com/s/files/1/0433/1382/3909/files/biochemistry_by_donald_voet.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/72905654063.pdf
    • https://cdn.shopify.com/s/files/1/0434/5636/4711/files/how_to_add_value_to_yourself.pdf
    • https://cdn.shopify.com/s/files/1/0432/8567/6192/files/fusobisef.pdf
    • https://cdn.shopify.com/s/files/1/0437/0333/7114/files/california_king_platform_bed_modern.pdf
    • https://cdn.shopify.com/s/files/1/0435/7370/6913/files/ruraja.pdf
    • https://cdn.shopify.com/s/files/1/0428/2040/3356/files/4969668046.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_off00006b2a.bin
be62b178cbe682ee66cdde6a72949f251f1fe8d69c7016cb82804fce46bba472		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B2A 5244 bytes
font_01_sfnt_off00007d10.bin
a4754409e1c0428d105145349a93459c1ccbb09349b5063c88aa361cc8a87ea7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D10 10108 bytes

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