Malicious PDF — malware analysis report

Static analysis result for SHA-256 7aacbdcc684deaaa…

MALICIOUS

PDF

38.5 KB Created: 2020-03-29 10:14:54 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2020-09-24
MD5: 5616375e2abb02b83e45757e3e10f8fd SHA-1: 51d07d83657192557038700c006ae8d93e21bda0 SHA-256: 7aacbdcc684deaaa228e1414876fa548ee96ff5bf99e6f8866aa3e99dc1d2baa
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains a large number of external links, many of which point to other PDF files hosted on similar domains. The document body, though partially corrupted, suggests a lure related to a Spanish word search puzzle. The primary heuristic indicates a PDF link farm, suggesting the document's purpose is to drive traffic to these external sites, likely for SEO manipulation or to host further malicious content. No scripts were extracted, but the extensive link farm points to a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://pameladirnberger.com/uploads/1/3/1/3/131380011/131380011.html#sopa+de+letras+en+espa%C3%B1ol+gratis+para+jugar+con+tiempo PDF link annotation
    • http://superyachtbrokeragefleet.com/uploads/1/3/0/6/130603859/jibik.pdfIn PDF document text
    • http://loveyouemanate.com/uploads/1/3/0/8/130874617/maxibi.pdfIn PDF document text
    • http://crosstrack.org/uploads/1/3/0/7/130775297/bufowo.pdfIn PDF document text
    • http://tatmanrealestate.net/uploads/1/3/0/3/130323158/4677623.pdfIn PDF document text
    • http://kvffa.org/uploads/1/3/0/5/130590431/viderowod.pdfIn PDF document text
    • http://romanticism55.com/uploads/1/3/0/8/130873787/8607098.pdfIn PDF document text
    • http://sonsofbenmovie.com/uploads/1/3/0/7/130775309/sukexo.pdfIn PDF document text
    • http://kidsphilharmonic.com/uploads/1/3/0/5/130543276/rilaxuvaton.pdfIn PDF document text
    • http://connecteduniverse.blog/uploads/1/3/0/6/130640079/7590327.pdfIn PDF document text
    • http://raydria.com/uploads/1/3/0/6/130639867/8ca80914.pdfIn PDF document text
    • http://alicevictoriadesign.com/uploads/1/3/0/5/130540097/jugituwedetidu-zetopob-kukav.pdfIn PDF document text
    • http://www.diracommunity.com/uploads/1/3/0/7/130739557/fesozifonutukeni.pdfIn PDF document text
    • http://applepickndays.com/uploads/1/3/0/4/130483300/4177135.pdfIn PDF document text
    • http://steelelanestaffblog.org/uploads/1/3/0/5/130588639/belesipav.pdfIn PDF document text
    • http://www.right-plant-right-place.com/uploads/1/3/0/5/130539022/cc1a0bfbf581af8.pdfIn PDF document text
    • http://north-georgia-mountain-cabin.com/uploads/1/3/0/7/130776031/nasilifalax.pdfIn PDF document text
    • http://orlandoaccidentattorney.net/uploads/1/3/1/0/131070010/2347832.pdfIn PDF document text
    • http://nicholasciolino.com/uploads/1/3/0/7/130776166/94b7907.pdfIn PDF document text
    • http://adoxian.com/uploads/1/3/0/4/130476722/poriduwejufor.pdfIn PDF document text
    • http://webdisk.woodsongherbs.com/uploads/1/3/0/7/130738909/1118992.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text

Related samples 1

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000069bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69BC 8768 bytes
SHA-256: e5c2eae0c5cc13cea2db51288537e5e59329f0448b738f308b40cbd31bd3c44b

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