Malicious PDF — malware analysis report

Static analysis result for SHA-256 268522f96f40a1be…

MALICIOUS

PDF

47.3 KB Created: 2020-03-24 22:52:54 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-05-08
MD5: 7315f2ef51d4b24c76e7d133f8e28e9f SHA-1: b86c8663f0d8269f233edfbf68f7910a9312a1d0 SHA-256: 268522f96f40a1befba40da7f17a1b85e93623e3e67e54ba73f4978d3b046cd5
136 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. These links point to various PDF files hosted on different domains, suggesting a link farm or a distribution mechanism for further malicious content. The document body itself is heavily obfuscated and contains some of the same URLs, reinforcing the link-based attack pattern. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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://lifteens.com/uploads/1/3/0/4/130476579/130476579.html#intensidad+campo+magnetico+terrestre PDF link annotation
    • http://holypost.info/uploads/1/3/0/7/130776249/94dc00.pdfIn PDF document text
    • http://clogdancing.me/uploads/1/3/0/6/130640227/9381657.pdfIn PDF document text
    • http://www.lijufabc.com/uploads/1/3/0/3/130313176/vomaterapirejaso.pdfIn PDF document text
    • http://beyondtlvd.com/uploads/1/3/0/6/130620198/zevujafagobaxigisola.pdfIn PDF document text
    • http://schoolhomeconnect.com/uploads/1/3/0/8/130813557/vewogebat.pdfIn PDF document text
    • http://mta155.qualitynow.net/uploads/1/3/0/5/130542983/2457313.pdfIn PDF document text
    • http://www.wetlandshydrology.com/uploads/1/3/0/6/130604401/zomivijalenepizukuze.pdfIn PDF document text
    • http://momentswithmadds.org/uploads/1/3/0/8/130874519/7497787.pdfIn PDF document text
    • http://dbprlawyer.com/uploads/1/3/0/6/130604030/xemoxugemimigobu.pdfIn PDF document text
    • http://relaxedskincarefacefullbodyservices.com/uploads/1/3/0/7/130776102/dajixi_vozomus_zodesiranuxivom.pdfIn PDF document text
    • http://archangelkamiel.com/uploads/1/3/0/5/130588942/bujevijewebid_fojujezewaxi_xogujulobip.pdfIn PDF document text
    • http://austins-restaurant.com/uploads/1/3/0/5/130544746/jatimig.pdfIn PDF document text
    • http://calderacounselling.com/uploads/1/3/0/9/130969480/3453466.pdfIn PDF document text
    • http://powerupyourproductivity.com/uploads/1/3/0/5/130543766/3445553.pdfIn PDF document text
    • http://laboratoryaccreditationconsultants.com/uploads/1/3/0/7/130738652/eb6ae9ceb69.pdfIn PDF document text
    • http://storge.org/uploads/1/3/0/7/130738859/7194948.pdfIn PDF document text
    • http://bestbuyonlinestore.net/uploads/1/3/0/6/130639575/8817227.pdfIn PDF document text
    • http://tidetrailers.com/uploads/1/3/0/3/130313378/liwapajaj-vememivifo-jokidise-baduxis.pdfIn PDF document text
    • http://neoparadisum.shop/uploads/1/3/0/6/130639436/4063782.pdfIn PDF document text
    • http://mo-resin.com/uploads/1/3/0/5/130540814/0bb40c7280.pdfIn PDF document text
    • http://moss-sports-channel.com/uploads/1/3/0/6/130621258/bibazaminud.pdfIn PDF document text
    • http://moteisweb.com/uploads/1/3/0/6/130604430/712e4.pdfIn PDF document text
    • http://nelliemaephotography.com/uploads/1/3/0/6/130604141/1500342.pdfIn PDF document text
    • http://speed-gemmes.com/uploads/1/3/0/2/130289494/junurite.pdfIn PDF document text
    • http://naturelovewellness.com/uploads/1/3/1/0/131070313/taremariluki.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_off00008e4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E4A 8788 bytes
SHA-256: aa264374396b48610f1cf653650a2dead76dd3f1c07c71d023291697aaed15c6

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