Malicious PDF — malware analysis report

Static analysis result for SHA-256 b77b89a9168e2ee3…

MALICIOUS

PDF

39.4 KB Authoring application: PDF Studio First seen: 2026-05-09
MD5: ce7afc1af9750ad84ebc381658fdca1c SHA-1: aec419f6448da2b914db630b4c3b7afd3ed90df6 SHA-256: b77b89a9168e2ee36e1fc7988bd3f9299b5d60fbfee842a54b1b63409e1a7958
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a mass external link farm, with 31 links pointing to other PDF files hosted on various domains. The document body, though partially corrupted, contains text related to scholarship applications, suggesting a lure to trick users into downloading malicious content. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious download campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://designinhours.com/uploads/1/3/0/7/130775191/fomevipokusa.pdf In PDF document text
    • http://gettinggirlsonline.com/uploads/1/3/0/5/130546237/d6416e6785e6.pdfIn PDF document text
    • http://plumluvfoods.com/uploads/1/3/0/7/130775672/3ee914e5.pdfIn PDF document text
    • http://groundswellfoundation.org/uploads/1/3/0/4/130435571/tuzagozoba-kotinaji-bepelamufegife.pdfIn PDF document text
    • http://shiftingtides.net/uploads/1/3/0/4/130489351/1a4450682a603e.pdfIn PDF document text
    • http://stauffstauff.com/uploads/1/3/0/7/130776457/lutepaxunu.pdfIn PDF document text
    • http://sostenibilidaddelmenor.com/uploads/1/3/0/5/130539714/lekuri.pdfIn PDF document text
    • http://www.centraltexasplanner.com/uploads/1/3/0/8/130874051/zegijo.pdfIn PDF document text
    • http://narkolepsy.com/uploads/1/3/0/7/130776066/rafaga.pdfIn PDF document text
    • http://renesugar.com/uploads/1/3/0/4/130476709/damozanu_mosil.pdfIn PDF document text
    • http://mta-sts.mail.friendsofthelfpl.org/uploads/1/3/0/8/130874139/28c047d0959dd26.pdfIn PDF document text
    • http://minnickmanagementhoa.com/uploads/1/3/0/8/130813648/xojixekona_wigugojul_suduwi_nabenomevejul.pdfIn PDF document text
    • http://lluviaoutsourced.com/uploads/1/3/0/5/130590366/24a52331.pdfIn PDF document text
    • http://mrryanmuller.com/uploads/1/3/0/6/130620512/c580ab7a11.pdfIn PDF document text
    • http://sjwill.com/uploads/1/3/0/3/130312929/6d731d.pdfIn PDF document text
    • http://narrowpathpa.org/uploads/1/3/0/6/130621218/rerakuwalikikuwiku.pdfIn PDF document text
    • http://bikesourcetech.com/uploads/1/3/0/2/130291544/8292732.pdfIn PDF document text
    • http://daquebarbeque.com/uploads/1/3/0/7/130739558/jijusi-lafavirutuxi-bironi-mejis.pdfIn PDF document text
    • http://harrietarkley.com/uploads/1/3/0/6/130621596/1605084.pdfIn PDF document text
    • http://techarcana.org/uploads/1/3/0/2/130272440/lafajudos.pdfIn PDF document text
    • http://beginningphpandmysql.com/uploads/1/3/0/2/130287942/7909047.pdfIn PDF document text
    • http://bceastrong.com/uploads/1/3/0/4/130436272/4de65a67cd91e.pdfIn PDF document text
    • http://roxandsol.com/uploads/1/3/0/4/130476423/wezudigu.pdfIn PDF document text
    • http://315mulberry.com/uploads/1/3/0/3/130379179/130379179.html#santoor+scholarship+application+form+pdf+2019In PDF document text

Related samples 5

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_off000036ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36CE 8136 bytes
SHA-256: 032a70ef7f5f37da97b607fa7b5f405d888a460cc2eb787a70065a9f851d7a5d

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