Malicious PDF — malware analysis report

Static analysis result for SHA-256 f69ba65a5532ff5e…

MALICIOUS

PDF

45.1 KB Authoring application: Nitro PDF First seen: 2026-05-09
MD5: c220aa149443e7479ee54db7b9f38f75 SHA-1: f0ef8da1554af1614839b87b64aecc070253f0d6 SHA-256: f69ba65a5532ff5ea1e256d86cd77099c838c66804f3654b02000f8d358e1dfb
232 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link

The PDF file contains a social engineering lure, instructing the user to install a browser extension or update to view content. It also features a large number of embedded links to external PDF files, likely for SEO manipulation or to host further malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and potential installation of unwanted software. The primary IOCs are the numerous external PDF URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 5

  • 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.
  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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://ruthnbrown.com/uploads/1/3/0/5/130539102/dojuzuf.pdf In PDF document text
    • http://mauritskoelewijn.nl/uploads/1/3/0/6/130621429/6043706.pdfIn PDF document text
    • http://natureguidetrainingbotswana.com/uploads/1/3/0/5/130542940/pimiruwerun.pdfIn PDF document text
    • http://livingwaternns.org/uploads/1/3/0/6/130605059/1084416.pdfIn PDF document text
    • https://botukiberep.weebly.com/uploads/1/3/0/2/130272616/8120560.pdfIn PDF document text
    • http://alefrawedding.com/uploads/1/3/0/2/130288761/3258640.pdfIn PDF document text
    • http://gof.evergy.ru/uploads/2020/01/27/09480eb3db.pdfIn PDF document text
    • http://doggiestyles.net/uploads/1/3/0/5/130590535/145057.pdfIn PDF document text
    • http://dan.slimtelo.pw/uploads/2020/01/28/dimidogajuvot.pdfIn PDF document text
    • http://wafufox.denem3131.com/uploads/2020/01/27/ffe2b2.pdfIn PDF document text
    • https://fagukigejadiju.weebly.com/uploads/1/3/0/3/130313056/goniseposa.pdfIn PDF document text
    • http://sportrock.org/uploads/1/3/0/3/130323733/sufomoxo-nobatumi.pdfIn PDF document text
    • http://leighannhoffman.com/uploads/1/3/0/3/130313135/087300f.pdfIn PDF document text
    • http://nogilopewu.skladovskij.ru/uploads/2020/01/29/vuwebirisabure.pdfIn PDF document text
    • http://limorentalalexandriava.com/uploads/1/3/0/5/130588333/59e20811e3.pdfIn PDF document text
    • http://datidega.storyzonline.ru/uploads/2020/01/28/wurerido-pilejezi-temur-defeko.pdfIn PDF document text
    • http://jorgesoutomaior.weebly.com/uploads/1/3/0/5/130543757/8afff48.pdfIn PDF document text
    • http://vajopabi.profmediarus.ru/uploads/2020/01/28/9909952.pdfIn PDF document text
    • http://sightseethecity.com/uploads/1/3/0/5/130546209/wobeze.pdfIn PDF document text
    • http://bienvenufosterryanobannonlawllc.com/uploads/1/3/0/6/130621447/5072334.pdfIn PDF document text
    • http://geni.wfcrus.com/uploads/2020/01/27/5471831.pdfIn PDF document text
    • http://xixibudel.lovely-eva.ru/uploads/2020/01/28/losolezogurone_temidaje_posej.pdfIn PDF document text
    • http://bumodakovi.begettest13.fun/uploads/2020/01/28/4692732.pdfIn PDF document text
    • http://stemleyclassicallearning.com/uploads/1/3/0/5/130551114/vufozide-gatevinitedimik-kigiv-gimefobusilalik.pdfIn PDF document text
    • http://nationalfootballcheerleadersalumni.org/uploads/1/3/0/2/130271237/130271237.html#amazon+quiz+answers+win+today+9999+drawIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001922.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1922 8704 bytes
SHA-256: 415404a19771449edceca0cd4fd6e73a8c11cebff3db3ac8c36c3fb549f01182
font_01_sfnt_off0000685f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x685F 16164 bytes
SHA-256: 32b54217619f9438721b423dc2f4f4da0f78781b0811ea49af2be6b0310ecf56

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