Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a509a6ecc65725e…

MALICIOUS

PDF

38.0 KB Created: 2020-03-26 12:22:57 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: be6d037f184d1e01b089a4e561113c1e SHA-1: 210d5b68d6135b471376696f19cb7dc6b8d3bd4c SHA-256: 1a509a6ecc65725e72af71c4399d8d438b4410635bf70b1190c64f9036ff1b18
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links to various domains, a technique often used for SEO manipulation or to distribute malicious payloads. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this pattern, indicating a high likelihood of malicious intent. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, and the document body is heavily obfuscated, but the sheer volume of outbound links points to a content-distribution or redirection attack.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://islandchicvacationrentals.com/uploads/1/3/0/7/130776266/130776266.html#energia+solar+como+funciona+as+placas
    • http://onenicholasryan.com/uploads/1/3/1/0/131070806/xiribi.pdf
    • http://panymasonline.com/uploads/1/3/0/8/130813518/7094138.pdf
    • http://islandways.fun/uploads/1/3/0/6/130639565/ae921346206b.pdf
    • http://midnightjusticefilms.info/uploads/1/3/0/4/130478709/896a0002379e5.pdf
    • http://happyhome.cleaning/uploads/1/3/0/5/130550925/xumojabar_lotaxaselek_rotitarebeva.pdf
    • http://frederictonjunkremoval.com/uploads/1/3/0/6/130639903/bologegobud_dosegawofe_xunegopir.pdf
    • http://www.marymaxwell.co/uploads/1/3/0/7/130775897/6504f2f6785.pdf
    • http://wellfordtowing.com/uploads/1/3/0/5/130545745/gutudutala.pdf
    • http://redondobeachheating.net/uploads/1/3/0/6/130604425/4423.pdf
    • http://paverconcretesealing.com/uploads/1/3/0/7/130738948/4853411.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006801.bin
a47f3c1cd870377419c07eff141797da411579025a7300ae0b69c7f3af417024		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6801 10216 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.