Malicious PDF — malware analysis report

Static analysis result for SHA-256 35e7ceebcabf8aa9…

MALICIOUS

PDF

38.8 KB Created: 2020-03-10 04:41:27 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-05-08
MD5: 71f7608ba99a06e527d225f4b760fe9b SHA-1: 95a16aaf691e96bad453d90d292c4e017f590c1a SHA-256: 35e7ceebcabf8aa91cfae1124ccd6383d8f2af16205198c8eb7711aeab560b7d
96 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains text referencing 'Brave new world chapter 4 5 6 summary' and includes a primary URL that also references this content. This suggests a lure to a content-rich page, which in turn links to a farm of other PDF documents. The primary purpose appears to be driving traffic to these linked resources, potentially for SEO manipulation or to distribute further malicious content.

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://74-123-72-180.mgwnet.com/uploads/1/3/0/7/130739860/130739860.html#brave+new+world+chapter+4+5+6+summary PDF link annotation
    • http://beescupcakebites.com/uploads/1/3/0/6/130603966/515b155.pdfIn PDF document text
    • http://qiiradesignno.com/uploads/1/3/0/7/130776718/bovuru.pdfIn PDF document text
    • http://www.born2swim.org/uploads/1/3/0/7/130776405/tapebiwiparal.pdfIn PDF document text
    • http://staceyclarkdllportfolio.com/uploads/1/3/0/3/130313436/liluxoredav.pdfIn PDF document text
    • http://larazgourmet.com/uploads/1/3/0/5/130539818/funoxonegupel.pdfIn PDF document text
    • http://mysteriesnghostsefiction.com/uploads/1/3/0/2/130289399/9a586f7e64221f7.pdfIn PDF document text
    • http://catchnrelease.org/uploads/1/3/0/7/130739165/79f9f0ef8e84cb.pdfIn PDF document text
    • http://independentrealty1.net/uploads/1/3/0/8/130873984/4514778.pdfIn PDF document text
    • http://webuyhousesingta.com/uploads/1/3/1/0/131070845/3439017.pdfIn PDF document text
    • http://wellfleetpirate.com/uploads/1/3/0/5/130588702/jozon-tuminikirubivud-ruwam-funap.pdfIn PDF document text
    • http://shupacups.com/uploads/1/3/0/2/130288483/ae2994d54.pdfIn PDF document text
    • http://threadsolelife.com/uploads/1/3/0/4/130435679/8a8559701a03.pdfIn PDF document text
    • http://www.alwaysbestronger.com/uploads/1/3/0/7/130739251/sosimatagefipa-sunixilajog-wujogefatosaja.pdfIn PDF document text
    • http://www.gregneville.net/uploads/1/3/0/9/130969475/9c02f.pdfIn PDF document text
    • http://mail.renoraces.com/uploads/1/3/0/6/130620646/cc2365.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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000070b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70B9 7516 bytes
SHA-256: 0f29e297ee2037212b9e9d584e4f69d855d035b88f38198c6fe550519b24d842