Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbe61bdc25ed5d38…

MALICIOUS

PDF

46.6 KB Created: 2020-08-29 15:45:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 96ec4855d3d21d709b6bdd451cfd885f SHA-1: d40bff837b06f1fb4a8d22d86b87b5bb33d48017 SHA-256: bbe61bdc25ed5d384ffe9151968167895c712d88723933287134bb74c5044895
150 Risk Score

Malware Insights

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

The PDF contains a link to a redirector, which is a common tactic for distributing malware. The document body and embedded links suggest a lure to download software, specifically 'Minecraft forge-1.12.2-14.23.5.2831 download'. The presence of a link farm further indicates malicious intent to drive traffic to potentially harmful sites. No scripts were extracted, but the PDF structure and URL analysis strongly suggest a phishing or malware distribution attempt.

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/wix?keyword=minecraft+forge-1.12.2-14.23.5.2831+download
    • https://cdn.shopify.co
    • https://static.usrfiles.com/ugd/b8c837_6e7205db773d4478a690f0d4661571b1.pdf
    • https://static.usrfiles.com/ugd/b8c837_72cc9411a6e04e4992ef968791678a7a.pdf
    • https://static.usrfiles.com/ugd/b8c837_fbb3145d13284905af969e02905472bd.pdf
    • https://static.usrfiles.com/ugd/5bb01c_29f126d6b3dc493e9923818b3a397db6.pdf
    • https://cdn.shopify.com/s/files/1/0427/4877/2519/files/jurelevuwofiwegofirenum.pdf
    • https://cdn.shopify.com/s/files/1/0431/3199/4280/files/sajesuv.pdf
    • https://cdn.shopify.com/s/files/1/0430/7727/1716/files/xuzesiruziwime.pdf
    • https://cdn.shopify.com/s/files/1/0431/0014/3777/files/notalomamugar.pdf
    • https://cdn.shopify.com/s/files/1/0431/1610/1798/files/rapexigifukus.pdf
    • https://cdn.shopify.com/s/files/1/0441/3099/2280/files/34618023513.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bivunamu.pdf
    • https://cdn.shopify.com/s/files/1/0437/6661/2130/files/nidus_build_warframe.pdf
    • https://cdn.shopify.com/s/files/1/0432/2515/3698/files/4637086306.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_off000067c7.bin
321bb3b02e12f8a2a0886e9b69246ff5642cd8be0bf7fd8a6bd00a858f96d11e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67C7 5716 bytes
font_01_sfnt_off00007b6f.bin
03fef1196896693d7931191924c0fd77ec8a14b397b2a0aafd55fb4801a7c50f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B6F 10392 bytes
font_02_sfnt_off00009f06.bin
ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F06 4324 bytes

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