Malicious PDF — malware analysis report

Static analysis result for SHA-256 4efb2987d1e8639a…

MALICIOUS

PDF

39.4 KB Authoring application: Solid Converter PDF First seen: 2026-05-08
MD5: 47aa9195e99be097564a2216c5fcfce9 SHA-1: 4cb425255afa481d5fecaeb772a669731c461a62 SHA-256: 4efb2987d1e8639a351810d32e36555d5473f0dd1e9f939b9b56706da5801a9c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic-generation intent. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://www.concretetesting.org/uploads/1/3/0/5/130589104/194884.pdf In PDF document text
    • http://morrispackaging-glasgow.com/uploads/1/3/0/5/130543976/e3019c3.pdfIn PDF document text
    • http://www.kworthy.org/uploads/1/3/0/6/130621310/4285791.pdfIn PDF document text
    • http://topshamfinearts.com/uploads/1/3/0/2/130289632/d347e4465e18d42.pdfIn PDF document text
    • http://www.karlypaigeim.com/uploads/1/3/0/7/130740026/xipibotowo_konarulu.pdfIn PDF document text
    • http://markscorp.net/uploads/1/3/0/3/130313557/af7ec82967af3f1.pdfIn PDF document text
    • http://fastblueprints.com/uploads/1/3/0/7/130738554/furoneke-telesefuxefidux-bipulutu.pdfIn PDF document text
    • http://djdbaker.com/uploads/1/3/0/5/130539866/natoxegatot.pdfIn PDF document text
    • http://hostmaster.sculppt.com/uploads/1/3/0/5/130588899/48bab177d.pdfIn PDF document text
    • http://noisomheden.com/uploads/1/3/0/7/130739235/9564403.pdfIn PDF document text
    • http://twelvr.org/uploads/1/3/0/7/130740622/8751192.pdfIn PDF document text
    • http://atozadventures.co.uk/uploads/1/3/0/3/130312996/fizojorig.pdfIn PDF document text
    • http://thefascinator.com/uploads/1/3/0/7/130738722/1718274.pdfIn PDF document text
    • http://heavyar.com/uploads/1/3/0/6/130604202/putepupozi.pdfIn PDF document text
    • http://powergeardrums.com/uploads/1/3/0/5/130588614/fekevi.pdfIn PDF document text
    • http://cloudable.life/uploads/1/3/0/4/130435746/8503892.pdfIn PDF document text
    • http://balisurftours.info/uploads/1/3/0/7/130740368/6844043.pdfIn PDF document text
    • http://lakecountyrecovers.org/uploads/1/3/0/7/130738754/zipesumipube.pdfIn PDF document text
    • http://www.expertonboarding.com/uploads/1/3/0/7/130739663/4807454.pdfIn PDF document text
    • http://glittergaze.com/uploads/1/3/0/5/130589348/3780811.pdfIn PDF document text
    • http://thegreenhouseyyc.ca/uploads/1/3/0/7/130738971/rakavuxevirifamafof.pdfIn PDF document text
    • http://brokrmusic.com/uploads/1/3/0/7/130775732/pinedusadudovenox.pdfIn PDF document text
    • http://arc-projects.com/uploads/1/3/0/4/130489240/temulovovopinusez.pdfIn PDF document text
    • http://www.godsofhavoc.com/uploads/1/3/0/6/130620560/wenijabe_lefidage_kapelujelojugen_zofisegag.pdfIn PDF document text
    • http://www.caitlinblack.org.uk/uploads/1/3/0/3/130323332/1962003.pdfIn PDF document text
    • http://g3kqq2.bdgct.com/uploads/1/3/0/7/130740550/130740550.html#passive+tense+grammar+exercisesIn PDF document text

Related samples 3

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_off00003592.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3592 7964 bytes
SHA-256: fcdb4f8453335fc756519a9c8dfdeae4b8e7912bdb007d31f3af5f468e9be06b

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