Malicious PDF — malware analysis report

Static analysis result for SHA-256 d30159b8d82e107c…

MALICIOUS

PDF

47.4 KB Created: 2020-08-08 14:58:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 892734c58696267d3c5783e2fbf569ad SHA-1: 987eb2eacde00086b3ca8acf02a3fd6d7e2c88e6 SHA-256: d30159b8d82e107cf330180ede61b9e7076de3072232c5cd62cf427a96ac3687
120 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, specifically pointing to 'https://ttraff.cc/pify?keyword=beatles+blackbird+piano+pdf'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The presence of a PDF link farm further supports a malicious intent, likely for SEO poisoning or traffic generation to the redirector. No scripts were extracted, limiting the analysis of direct payload execution.

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=beatles+blackbird+piano+pdf
    • http://juxixig.limehouse.info/uploads/1/3/1/4/131482975/6215328.pdf
    • http://files.prettyprairiesoul.com/uploads/1/3/2/6/132682235/kusififigovudoze.pdf
    • http://files.gentlemansmaven.com/uploads/1/3/1/4/131453917/0644b0fce153b5.pdf
    • http://files.wamindaworkingstockdogs.net/uploads/1/3/1/4/131414134/8073049.pdf
    • http://files.childrenspoetrybygeoffrey.com/uploads/1/3/1/1/131164504/6139471.pdf
    • https://cdn.shopify.com/s/files/1/0431/1613/4562/files/zoruzaperovuzamobeg.pdf
    • https://cdn.shopify.com/s/files/1/0428/7427/3948/files/volume_and_surface_area_of_cuboid_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0433/8771/5742/files/60956085964.pdf
    • https://cdn.shopify.com/s/files/1/0435/4765/6351/files/99864275221.pdf
    • https://cdn.shopify.com/s/files/1/0437/0530/3205/files/71296131096.pdf
    • https://cdn.shopify.com/s/files/1/0428/1312/8867/files/62249244937.pdf
    • https://cdn.shopify.com/s/files/1/0429/4760/8730/files/97322405053.pdf
    • https://cdn.shopify.com/s/files/1/0434/6557/2514/files/jefurin.pdf
    • https://cdn.shopify.com/s/files/1/0431/5430/9280/files/murop.pdf
    • https://cdn.shopify.com/s/files/1/0437/6225/3978/files/sufibu.pdf
    • https://cdn.shopify.com/s/files/1/0429/7120/1695/files/28772081221.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_off00007b2a.bin
d5dcd973bc51a9edeccaa9b827ce997cf3f9cf24b92aab5a33318c6893da9cc2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B2A 5404 bytes
font_01_sfnt_off00008d96.bin
e2dd0a25082867e875519803f7e87a73867fd5e683a5206b4a68ce4e4d835cd5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D96 10288 bytes

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